SC U.S. GROWTH VI MANAGEMENT, L.P.

SEC source: 0001062993-20-006369 · form4.xml · nonDerivative · entry 3

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SCGGF MANAGEMENT, L.P. · CIK 0001611362 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH FUND, L.P. · CIK 0001535198 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH PRINCIPALS FUND, L.P. · CIK 0001540748 · 10% owner

SC Global Growth II Management, L.P. · CIK 0001743989 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH FUND II, L.P. · CIK 0001656515 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH II PRINCIPALS FUND, L.P. · CIK 0001656516 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VI Principals Fund, L.P.

Disclosed balance after: 398,515

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XIV, L.P., Sequoia Capital U.S. Venture Partners Fund XIV, L.P., and Sequoia Capital U.S. Venture Partners Fund XIV (Q), L.P., or collectively, the SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund II, L.P. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3 · ownership.nature: (Continued from Footnote 2) (iv) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; (v) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (SC GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (SC GGF PF), or collectively, the SC GGF Funds; and (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds, the SC GGFIII Funds or the SC GGF Funds, as applicable.

F5 · ownership.nature: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001062993-20-006369 · form4.xml · nonDerivative · entry 2

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SCGGF MANAGEMENT, L.P. · CIK 0001611362 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH FUND, L.P. · CIK 0001535198 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH PRINCIPALS FUND, L.P. · CIK 0001540748 · 10% owner

SC Global Growth II Management, L.P. · CIK 0001743989 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH FUND II, L.P. · CIK 0001656515 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH II PRINCIPALS FUND, L.P. · CIK 0001656516 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VI, L.P.

Disclosed balance after: 7,956,090

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XIV, L.P., Sequoia Capital U.S. Venture Partners Fund XIV, L.P., and Sequoia Capital U.S. Venture Partners Fund XIV (Q), L.P., or collectively, the SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund II, L.P. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3 · ownership.nature: (Continued from Footnote 2) (iv) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; (v) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (SC GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (SC GGF PF), or collectively, the SC GGF Funds; and (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds, the SC GGFIII Funds or the SC GGF Funds, as applicable.

F5 · ownership.nature: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001062993-20-006369 · form4.xml · nonDerivative · entry 1

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SCGGF MANAGEMENT, L.P. · CIK 0001611362 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH FUND, L.P. · CIK 0001535198 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH PRINCIPALS FUND, L.P. · CIK 0001540748 · 10% owner

SC Global Growth II Management, L.P. · CIK 0001743989 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH FUND II, L.P. · CIK 0001656515 · 10% owner

SEQUOIA CAPITAL GLOBAL GROWTH II PRINCIPALS FUND, L.P. · CIK 0001656516 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital USV XIV Holdco, Ltd.

Disclosed balance after: 20,582,199

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XIV, L.P., Sequoia Capital U.S. Venture Partners Fund XIV, L.P., and Sequoia Capital U.S. Venture Partners Fund XIV (Q), L.P., or collectively, the SC USV XIV Funds, which together own 100% of the outstanding ordinary shares of Sequoia Capital USV XIV Holdco, Ltd. (SC USV XIV Holdco); (ii) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund II, L.P. (SC GGFII) and Sequoia Capital Global Growth II Principals Fund, L.P. (SC GGFII PF), or collectively, the SC GGFII Funds; (iii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (SC US GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds;

F3 · ownership.nature: (Continued from Footnote 2) (iv) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; (v) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (SC GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (SC GGF PF), or collectively, the SC GGF Funds; and (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds.

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGFII Funds and the SC GGFIII Funds are Douglas M. Leone and Roelof F. Botha, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz. As a result, and by virtue of the relationship described in this footnote, each such person may be deemed to share voting and dispositive power with respect to the shares of Class A common stock held by the SC GGFII Funds, the SC GGFIII Funds or the SC GGF Funds, as applicable.

F5 · ownership.nature: (Continued from Footnote 4) Each of SC US (TTGP), Ltd., SC U.S. Venture XIV Management, L.P., SC U.S. Growth VI Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SCGGF III - U.S./India Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by SC USV XIV Holdco, the GFVI Funds, the GFVII Funds, the GGF Funds, the GGF II Funds, and the GGF III Funds except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 20

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund III - Endurance Partners, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 4,351,309 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 19

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund III - Endurance Partners, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 5,730,132 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 18

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Principals Fund, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 28,908 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 17

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 996,184 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 16

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Technology Partners XII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 91,350 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 15

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital XII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 2,441,320 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 14

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital XII Principals Fund, LLC

Disclosed balance after: 0

Underlying: Common Stock · 260,920 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 13

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Principals Fund, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 58,183 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 12

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 2,005,056 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 11

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Technology Partners XII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 709,810 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 10

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital XII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 18,969,380 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · derivative · entry 9

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital XII Principals Fund, LLC

Disclosed balance after: 0

Underlying: Common Stock · 2,027,400 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · nonDerivative · entry 6

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Technology Partners XII, L.P.

Disclosed balance after: 801,160

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · nonDerivative · entry 5

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital XII, L.P.

Disclosed balance after: 21,410,700

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · nonDerivative · entry 4

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital XII Principals Fund, LLC

Disclosed balance after: 2,288,320

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · nonDerivative · entry 3

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund III - Endurance Partners, L.P.

Disclosed balance after: 13,991,048

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · nonDerivative · entry 2

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Principals Fund, L.P.

Disclosed balance after: 356,651

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025993 · doc4.xml · nonDerivative · entry 1

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund, L.P.

Disclosed balance after: 12,290,518

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D-1 Preferred Stock and Series E Preferred Stock converted into shares of common stock on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering, and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. (GFVI) and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (GFVI PF) (collectively, the GFVI Funds); (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, LP (GGF) and Sequoia Capital Global Growth Principals Fund, LP (GGF PF) (collectively, the GGF Funds); and (iii) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III).

F3 · ownership.nature: (Continued from footnote 2) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III and the GGF Funds. SC XII Management, LLC is the general partner of each of Sequoia Capital XII, L.P. (XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (XII PF) (collectively the XII Funds). As a result, and by virtue of the relationships described in this paragraph, SC XII Management, LLC may be deemed to share beneficial ownership with respect to the shares held by the XII Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the GGF Funds are Douglas Leone and James Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha.

F4 · ownership.nature: (Continued from footnote 3) By virtue of the relationships described in this paragraph, Douglas Leone and James Goetz may be deemed to share voting and dispositive power with respect to the shares held by the GGF Funds, and Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III..Each of the reporting persons disclaims beneficial ownership of the shares held by the XII Funds, the GFVI Funds, the GGF Funds, and GGF III, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 12

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VI Principals Fund, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 5,944 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 11

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VI, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 544,464 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 10

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Growth Fund III, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 3,154,816 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 9

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund III - Endurance Partners, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 10,213,048 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 8

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VII Principals Fund, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 409,424 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 7

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VII, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 6,291,460 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 6

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VI Principals Fund, L.P.

Disclosed balance after: 5,944

Underlying: Class A Common Stock · 5,944 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 5

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VI, L.P.

Disclosed balance after: 544,464

Underlying: Class A Common Stock · 544,464 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 4

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Growth Fund III, L.P.

Disclosed balance after: 3,154,816

Underlying: Class A Common Stock · 3,154,816 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 3

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund III - Endurance Partners, L.P.

Disclosed balance after: 10,213,048

Underlying: Class A Common Stock · 10,213,048 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 2

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VII Principals Fund, L.P.

Disclosed balance after: 409,424

Underlying: Class A Common Stock · 409,424 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-025874 · doc4.xml · derivative · entry 1

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VII, L.P.

Disclosed balance after: 6,291,460

Underlying: Class A Common Stock · 6,291,460 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_price: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.exercise_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into Class B Common Stock at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. Each share of Class B Common Stock will be convertible at any time at the option of the Reporting Person into one share of Class A Common Stock, and has no expiration date. On any transfer of shares of Class B Common Stock, each such transferred share will automatically convert into one share of Class A Common Stock, except for certain "Permitted Transfers" described in the Issuer's amended and restated certificate of incorporation.

F2 · derivative.expiration_date: Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock, upon the following: (1) the sale or transfer of such share of Class B Common Stock; (2) the death of the Reporting Person; and (3) on the final conversion date, defined as the earlier of (a) the first trading day falling nine months after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the seventh anniversary of the effectiveness of the registration statement in connection with the Issuer's IPO; or (c) the date specified by a vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F3 · ownership.nature: SC US (TTGP), Ltd. is (i) the general partner of SCGGF III - Endurance Partners Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. (GGF III); (ii) the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the GFVI Funds); and (iii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (collectively, the GFVII Funds).

F4 · ownership.nature: (Continued from Footnote 3) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by GGF III, the GFVI Funds, and the GFVII Funds. SCGF III Management, LLC is a general partner of Sequoia Capital Growth Fund III, L.P., and, as a result, SCGF III Management, LLC may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Growth Fund III, L.P. The directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to GGF III are Douglas Leone and Roelof Botha. By virtue of the relationships described in this paragraph, Douglas Leone and Roelof Botha may be deemed to share voting and dispositive power with respect to the shares held by GGF III. Each of Douglas Leone, Roelof Botha, SC US (TTGP), Ltd.,

F5 · ownership.nature: (Continued from Footnote 4) SCGGF III - Endurance Partners Management, L.P., SC U.S. Growth VI Management, L.P. and SC U.S. Growth VII Management, L.P. disclaims beneficial ownership of the shares held by GGF III, the GFVI Funds and GFVII Funds, as applicable, except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SCGF III Management, LLC disclaims beneficial ownership of the shares held by Sequoia Capital Growth Fund III, L.P., except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-019721 · doc4.xml · derivative · entry 8

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VI Principals Fund, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 3,622 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the "SC XV Funds") and the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the "SC US GF VI Funds"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the SC XV Funds and SC US GF VI Funds.

F3 · ownership.nature: (Continued from footnote 2) Each of SC US (TTGP), Ltd., SC U.S. Venture XV Management, L.P., and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the shares held by the SC XV Funds and SC US GF VI Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-019721 · doc4.xml · derivative · entry 7

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VI, L.P

Disclosed balance after: 0

Underlying: Common Stock · 331,774 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the "SC XV Funds") and the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the "SC US GF VI Funds"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the SC XV Funds and SC US GF VI Funds.

F3 · ownership.nature: (Continued from footnote 2) Each of SC US (TTGP), Ltd., SC U.S. Venture XV Management, L.P., and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the shares held by the SC XV Funds and SC US GF VI Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-019721 · doc4.xml · derivative · entry 6

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VI Principals Fund, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 5,616 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the "SC XV Funds") and the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the "SC US GF VI Funds"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the SC XV Funds and SC US GF VI Funds.

F3 · ownership.nature: (Continued from footnote 2) Each of SC US (TTGP), Ltd., SC U.S. Venture XV Management, L.P., and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the shares held by the SC XV Funds and SC US GF VI Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-019721 · doc4.xml · derivative · entry 5

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VI, L.P

Disclosed balance after: 0

Underlying: Common Stock · 514,443 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the "SC XV Funds") and the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the "SC US GF VI Funds"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the SC XV Funds and SC US GF VI Funds.

F3 · ownership.nature: (Continued from footnote 2) Each of SC US (TTGP), Ltd., SC U.S. Venture XV Management, L.P., and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the shares held by the SC XV Funds and SC US GF VI Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-019721 · doc4.xml · derivative · entry 4

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VI Principals Fund, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 227,918 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the "SC XV Funds") and the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the "SC US GF VI Funds"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the SC XV Funds and SC US GF VI Funds.

F3 · ownership.nature: (Continued from footnote 2) Each of SC US (TTGP), Ltd., SC U.S. Venture XV Management, L.P., and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the shares held by the SC XV Funds and SC US GF VI Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-019721 · doc4.xml · derivative · entry 3

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VI, L.P

Disclosed balance after: 0

Underlying: Common Stock · 4,550,239 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the "SC XV Funds") and the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the "SC US GF VI Funds"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the SC XV Funds and SC US GF VI Funds.

F3 · ownership.nature: (Continued from footnote 2) Each of SC US (TTGP), Ltd., SC U.S. Venture XV Management, L.P., and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the shares held by the SC XV Funds and SC US GF VI Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-019721 · doc4.xml · nonDerivative · entry 2

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VI Principals Fund, L.P.

Disclosed balance after: 237,156

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the "SC XV Funds") and the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the "SC US GF VI Funds"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the SC XV Funds and SC US GF VI Funds.

F3 · ownership.nature: (Continued from footnote 2) Each of SC US (TTGP), Ltd., SC U.S. Venture XV Management, L.P., and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the shares held by the SC XV Funds and SC US GF VI Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-019721 · doc4.xml · nonDerivative · entry 1

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VI, L.P

Disclosed balance after: 5,396,456

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Preferred Stock automatically converted on a one-for-one basis into common stock upon the closing of the Issuer's initial public offering.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XV Management, L.P., which is the general partner of Sequoia Capital U.S. Venture Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV, L.P., Sequoia Capital U.S. Venture Partners Fund XV (Q), L.P., and Sequoia Capital U.S. Venture XV Principals Fund, L.P. (collectively, the "SC XV Funds") and the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. (collectively, the "SC US GF VI Funds"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by the SC XV Funds and SC US GF VI Funds.

F3 · ownership.nature: (Continued from footnote 2) Each of SC US (TTGP), Ltd., SC U.S. Venture XV Management, L.P., and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the shares held by the SC XV Funds and SC US GF VI Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020416 · doc4.xml · derivative · entry 26

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

SCGF V Management, L.P. · CIK 0001552459 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND V, L.P. · CIK 0001528109 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND V, L.P. · CIK 0001528063 · 10% owner

SC US GF V Holdings, Ltd. · CIK 0001552461 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Principals Fund, LP

Disclosed balance after: 0

Underlying: Class A Common Stock · 253,230 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · deemedExecutionDate: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.exercise_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.expiration_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Common Stock and following the conversion of each series of the Issuer's Convertible Preferred Stock and the Issuer's Class B Common Stock into Class A Common Stock, each share of Class A Common Stock was reclassified into one share of Common Stock.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGGF Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. As a result, SC US (TTGP), Ltd. and SCGGF Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. Voting and disposition decisions at SC US (TTGP), Ltd. with respect to the shares held by the SC GGF Funds are made by an investment committee consisting of Messrs. Douglas Leone and James J. Goetz. Each of SC US (TTGP), Ltd., SCGGF Management, L.P., Mr. Leone and Mr. Goetz disclaims beneficial ownership of the securities held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP except to the extent of its pecuniary interest therein,

F5 · ownership.nature: (Continued from footnote 5) and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020416 · doc4.xml · derivative · entry 25

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

SCGF V Management, L.P. · CIK 0001552459 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND V, L.P. · CIK 0001528109 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND V, L.P. · CIK 0001528063 · 10% owner

SC US GF V Holdings, Ltd. · CIK 0001552461 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund, LP

Disclosed balance after: 0

Underlying: Class A Common Stock · 8,726,574 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · deemedExecutionDate: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.exercise_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.expiration_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Common Stock and following the conversion of each series of the Issuer's Convertible Preferred Stock and the Issuer's Class B Common Stock into Class A Common Stock, each share of Class A Common Stock was reclassified into one share of Common Stock.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGGF Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. As a result, SC US (TTGP), Ltd. and SCGGF Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. Voting and disposition decisions at SC US (TTGP), Ltd. with respect to the shares held by the SC GGF Funds are made by an investment committee consisting of Messrs. Douglas Leone and James J. Goetz. Each of SC US (TTGP), Ltd., SCGGF Management, L.P., Mr. Leone and Mr. Goetz disclaims beneficial ownership of the securities held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP except to the extent of its pecuniary interest therein,

F5 · ownership.nature: (Continued from footnote 5) and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020416 · doc4.xml · derivative · entry 24

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

SCGF V Management, L.P. · CIK 0001552459 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND V, L.P. · CIK 0001528109 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND V, L.P. · CIK 0001528063 · 10% owner

SC US GF V Holdings, Ltd. · CIK 0001552461 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VI Principals Fund, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 42,834 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · deemedExecutionDate: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.exercise_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.expiration_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Common Stock and following the conversion of each series of the Issuer's Convertible Preferred Stock and the Issuer's Class B Common Stock into Class A Common Stock, each share of Class A Common Stock was reclassified into one share of Common Stock.

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. Each of SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020416 · doc4.xml · derivative · entry 23

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

SCGF V Management, L.P. · CIK 0001552459 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND V, L.P. · CIK 0001528109 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND V, L.P. · CIK 0001528063 · 10% owner

SC US GF V Holdings, Ltd. · CIK 0001552461 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VI, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 855,147 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · deemedExecutionDate: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.exercise_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.expiration_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Common Stock and following the conversion of each series of the Issuer's Convertible Preferred Stock and the Issuer's Class B Common Stock into Class A Common Stock, each share of Class A Common Stock was reclassified into one share of Common Stock.

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. Each of SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020416 · doc4.xml · derivative · entry 22

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

SCGF V Management, L.P. · CIK 0001552459 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND V, L.P. · CIK 0001528109 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND V, L.P. · CIK 0001528063 · 10% owner

SC US GF V Holdings, Ltd. · CIK 0001552461 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth VI Principals Fund, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 443,721 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · deemedExecutionDate: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.exercise_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.expiration_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Common Stock and following the conversion of each series of the Issuer's Convertible Preferred Stock and the Issuer's Class B Common Stock into Class A Common Stock, each share of Class A Common Stock was reclassified into one share of Common Stock.

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. Each of SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020416 · doc4.xml · derivative · entry 21

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

SCGF V Management, L.P. · CIK 0001552459 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND V, L.P. · CIK 0001528109 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND V, L.P. · CIK 0001528063 · 10% owner

SC US GF V Holdings, Ltd. · CIK 0001552461 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital U.S. Growth Fund VI, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 8,858,605 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · deemedExecutionDate: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.exercise_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.expiration_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Common Stock and following the conversion of each series of the Issuer's Convertible Preferred Stock and the Issuer's Class B Common Stock into Class A Common Stock, each share of Class A Common Stock was reclassified into one share of Common Stock.

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. Each of SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020416 · doc4.xml · derivative · entry 20

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

SCGF V Management, L.P. · CIK 0001552459 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND V, L.P. · CIK 0001528109 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND V, L.P. · CIK 0001528063 · 10% owner

SC US GF V Holdings, Ltd. · CIK 0001552461 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd.

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,965,519 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · deemedExecutionDate: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.exercise_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.expiration_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Common Stock and following the conversion of each series of the Issuer's Convertible Preferred Stock and the Issuer's Class B Common Stock into Class A Common Stock, each share of Class A Common Stock was reclassified into one share of Common Stock.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP and Sequoia Capital USGF Principals Fund V, L.P., or collectively, the SC US GF V Funds, which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by SC US GF V Holdings, Ltd. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by SC US GF V Holdings, Ltd. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020416 · doc4.xml · derivative · entry 19

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

SCGF V Management, L.P. · CIK 0001552459 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND V, L.P. · CIK 0001528109 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND V, L.P. · CIK 0001528063 · 10% owner

SC US GF V Holdings, Ltd. · CIK 0001552461 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd

Disclosed balance after: 0

Underlying: Class A Common Stock · 17,622,476 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · deemedExecutionDate: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.exercise_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.expiration_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Common Stock and following the conversion of each series of the Issuer's Convertible Preferred Stock and the Issuer's Class B Common Stock into Class A Common Stock, each share of Class A Common Stock was reclassified into one share of Common Stock.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP and Sequoia Capital USGF Principals Fund V, L.P., or collectively, the SC US GF V Funds, which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by SC US GF V Holdings, Ltd. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by SC US GF V Holdings, Ltd. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020416 · doc4.xml · derivative · entry 18

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 10% owner

SCGF V Management, L.P. · CIK 0001552459 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND V, L.P. · CIK 0001528109 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND V, L.P. · CIK 0001528063 · 10% owner

SC US GF V Holdings, Ltd. · CIK 0001552461 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd.

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,638,950 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · deemedExecutionDate: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.exercise_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.expiration_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Common Stock and following the conversion of each series of the Issuer's Convertible Preferred Stock and the Issuer's Class B Common Stock into Class A Common Stock, each share of Class A Common Stock was reclassified into one share of Common Stock.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP and Sequoia Capital USGF Principals Fund V, L.P., or collectively, the SC US GF V Funds, which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by SC US GF V Holdings, Ltd. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by SC US GF V Holdings, Ltd. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.