SCGGF III - Endurance Partners Management, L.P.

SEC source: 0001062993-21-002308 · form4.xml · derivative · entry 12

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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 · 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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.exercise_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.expiration_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · derivative · entry 11

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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 · 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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.exercise_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.expiration_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · derivative · entry 10

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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 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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.exercise_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.expiration_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · derivative · entry 9

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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 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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.exercise_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.expiration_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · derivative · entry 8

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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 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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.exercise_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.expiration_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · derivative · entry 7

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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 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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.exercise_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · derivative.expiration_date: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · nonDerivative · entry 6

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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

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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · price: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · nonDerivative · entry 5

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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

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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · price: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · nonDerivative · entry 4

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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

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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · price: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · nonDerivative · entry 3

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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

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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · price: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · nonDerivative · entry 2

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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

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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · price: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0001062993-21-002308 · form4.xml · nonDerivative · entry 1

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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

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: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F1 · price: Effective as of 5:00 p.m. Eastern Time on March 1, 2021, the date specified by the holders of a majority of the then-outstanding shares of the Issuer's Class B Common Stock, each share of the Issuer's Class B Common Stock automatically converted into one share of Class A Common Stock pursuant to the Issuer's amended and restated certificate of incorporation.

F2 · 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).

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, 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.,

F4 · ownership.nature: (Continued from Footnote 3) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 20

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 19

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 18

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 17

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 16

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 15

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 14

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 13

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 12

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 11

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 10

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · derivative · entry 9

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · nonDerivative · entry 6

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · nonDerivative · entry 5

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · nonDerivative · entry 4

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · nonDerivative · entry 3

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · nonDerivative · entry 2

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025992 · doc4.xml · nonDerivative · entry 1

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 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 XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 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). 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.

F3 · ownership.nature: (continued from footnote 2) (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. 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,

F4 · ownership.nature: (continued from footnote 2) 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: 0000899243-20-025873 · doc4.xml · derivative · entry 12

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 11

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 10

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 9

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 8

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 7

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 6

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 5

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 4

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 3

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 2

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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: 0000899243-20-025873 · doc4.xml · derivative · entry 1

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

Sequoia Capital Global Growth Fund III - Endurance Partners, L.P. · CIK 0001740907 · 10% owner

SCGGF III - Endurance Partners Management, L.P. · CIK 0001767303 · 10% owner

SCGF III MANAGEMENT LLC · CIK 0001367787 · 10% owner

SEQUOIA CAPITAL GROWTH FUND III · CIK 0001367782 · 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.