MDB

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 17

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital USGF Principals Fund IV, L.P.

Disclosed balance after: 149,240

Underlying: Class A Common Stock · 149,240 shares

Expires not disclosed

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F8 · kind: Immediately prior to the closing of the Issuer's initial public offering, each series of the Issuer's redeemable convertible preferred stock automatically converted into Class B Common Stock.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. As a result, each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GFIV Funds. Each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 16

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Growth Fund IV, LP

Disclosed balance after: 3,387,282

Underlying: Class A Common Stock · 3,387,282 shares

Expires not disclosed

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F8 · kind: Immediately prior to the closing of the Issuer's initial public offering, each series of the Issuer's redeemable convertible preferred stock automatically converted into Class B Common Stock.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. As a result, each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GFIV Funds. Each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 15

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund, LP

Disclosed balance after: 66,057

Underlying: Class A Common Stock · 66,057 shares

Expires not disclosed

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F8 · kind: Immediately prior to the closing of the Issuer's initial public offering, each series of the Issuer's redeemable convertible preferred stock automatically converted into Class B Common Stock.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. As a result, each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC 2010 Funds. Each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 14

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP

Disclosed balance after: 327,158

Underlying: Class A Common Stock · 327,158 shares

Expires not disclosed

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F8 · kind: Immediately prior to the closing of the Issuer's initial public offering, each series of the Issuer's redeemable convertible preferred stock automatically converted into Class B Common Stock.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. As a result, each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC 2010 Funds. Each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 13

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Fund, LP

Disclosed balance after: 2,977,085

Underlying: Class A Common Stock · 2,977,085 shares

Expires not disclosed

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F8 · kind: Immediately prior to the closing of the Issuer's initial public offering, each series of the Issuer's redeemable convertible preferred stock automatically converted into Class B Common Stock.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. As a result, each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC 2010 Funds. Each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 12

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital USGF Principals Fund IV, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 12,616 shares

Expires not disclosed

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

F6 · derivative.exercise_price: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.exercise_date: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.expiration_date: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. As a result, each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GFIV Funds. Each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 11

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Growth Fund IV, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 286,352 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.

F6 · derivative.exercise_price: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.exercise_date: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.expiration_date: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. As a result, each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GFIV Funds. Each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 10

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital USGF Principals Fund IV, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 27,768 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.

F5 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F5 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F5 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. As a result, each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GFIV Funds. Each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 9

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Growth Fund IV, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 630,243 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.

F5 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F5 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F5 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. As a result, each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GFIV Funds. Each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 8

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital USGF Principals Fund IV, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 108,856 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.

F3 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. As a result, each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GFIV Funds. Each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 7

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Growth Fund IV, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,470,687 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.

F3 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. As a result, each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC GFIV Funds. Each of SC US (TTGP), Ltd. and SCGF IV Management, L.P. disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 6

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 4,783 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.

F3 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. As a result, each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC 2010 Funds. Each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 5

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 23,601 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.

F3 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. As a result, each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC 2010 Funds. Each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 4

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Fund, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 215,681 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.

F3 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. As a result, each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC 2010 Funds. Each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 3

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 61,274 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 C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. As a result, each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC 2010 Funds. Each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 2

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 303,557 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 C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. As a result, each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC 2010 Funds. Each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024635 · doc4.xml · derivative · entry 1

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

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010 FUND, L.P. · CIK 0001488811 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund (Q), L.P. · CIK 0001499293 · 10% owner

Sequoia Capital U.S. Venture 2010 Partners Fund, L.P. · CIK 0001499256 · 10% owner

SCGF IV MANAGEMENT LP · CIK 0001447940 · 10% owner

SEQUOIA CAPITAL US GROWTH FUND IV LP · CIK 0001444121 · 10% owner

SEQUOIA CAPITAL USGF PRINCIPALS FUND IV LP · CIK 0001460980 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Fund, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,761,404 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 C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. As a result, each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC 2010 Funds. Each of SC US (TTGP), Ltd. and SC U.S. Venture 2010 Management, L.P. disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 17

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital USGF Principals Fund IV, L.P.

Disclosed balance after: 149,240

Underlying: Class A Common Stock · 149,240 shares

Expires not disclosed

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F8 · kind: Immediately prior to the closing of the Issuer's initial public offering, each series of the Issuer's redeemable convertible preferred stock automatically converted into Class B Common Stock.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F4 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 16

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Growth Fund IV, LP

Disclosed balance after: 3,387,282

Underlying: Class A Common Stock · 3,387,282 shares

Expires not disclosed

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F8 · kind: Immediately prior to the closing of the Issuer's initial public offering, each series of the Issuer's redeemable convertible preferred stock automatically converted into Class B Common Stock.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F4 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 15

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund, LP

Disclosed balance after: 66,057

Underlying: Class A Common Stock · 66,057 shares

Expires not disclosed

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F8 · kind: Immediately prior to the closing of the Issuer's initial public offering, each series of the Issuer's redeemable convertible preferred stock automatically converted into Class B Common Stock.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F2 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 14

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP

Disclosed balance after: 327,158

Underlying: Class A Common Stock · 327,158 shares

Expires not disclosed

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F8 · kind: Immediately prior to the closing of the Issuer's initial public offering, each series of the Issuer's redeemable convertible preferred stock automatically converted into Class B Common Stock.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F2 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 13

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Fund, LP

Disclosed balance after: 2,977,085

Underlying: Class A Common Stock · 2,977,085 shares

Expires not disclosed

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F8 · kind: Immediately prior to the closing of the Issuer's initial public offering, each series of the Issuer's redeemable convertible preferred stock automatically converted into Class B Common Stock.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220557) under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation in effect as of the date hereof, or (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate voting power of the Issuer's capital stock.

F2 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 12

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital USGF Principals Fund IV, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 12,616 shares

Expires not disclosed

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

F6 · derivative.exercise_price: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.exercise_date: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.expiration_date: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 11

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Growth Fund IV, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 286,352 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.

F6 · derivative.exercise_price: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.exercise_date: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.expiration_date: The Series F Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.5 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 10

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital USGF Principals Fund IV, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 27,768 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.

F5 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F5 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F5 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 9

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Growth Fund IV, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 630,243 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.

F5 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F5 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F5 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 8

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital USGF Principals Fund IV, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 108,856 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.

F3 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 7

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Growth Fund IV, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,470,687 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.

F3 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SCGF IV Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund IV, L.P. and Sequoia Capital USGF Principals Fund IV, L.P., or collectively, the SC GFIV Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC GFIV Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 6

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 4,783 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.

F3 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 5

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 23,601 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.

F3 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 4

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Fund, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 215,681 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.

F3 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 3

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 61,274 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 C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 2

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 303,557 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 C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-024633 · doc4.xml · derivative · entry 1

BOTHA ROELOF · CIK 0001222287 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital U.S. Venture 2010 Fund, LP

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,761,404 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 C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock automatically converted into Class B Common Stock on a 1:0.75 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The Reporting Person is a director of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture 2010 Fund, LP, Sequoia Capital U.S. Venture 2010 Partners Fund (Q), LP and Sequoia Capital U.S. Venture 2010 Partners Fund, LP, or collectively, the SC 2010 Funds. The Reporting Person disclaims beneficial ownership of the securities held by the SC 2010 Funds except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001209191-18-006613 · doc4.xml · nonDerivative · entry 4

Gordon Michael Lawrence · CIK 0001615459 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By child

Disclosed balance after: 1,000

F1 · shares: Represents shares purchased through the Issuer's directed share program in connection with its initial public offering.

SEC source: 0001209191-18-006613 · doc4.xml · nonDerivative · entry 3

Gordon Michael Lawrence · CIK 0001615459 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By child

Disclosed balance after: 1,000

F1 · shares: Represents shares purchased through the Issuer's directed share program in connection with its initial public offering.

SEC source: 0001209191-18-006613 · doc4.xml · nonDerivative · entry 2

Gordon Michael Lawrence · CIK 0001615459 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By child

Disclosed balance after: 1,000

F1 · shares: Represents shares purchased through the Issuer's directed share program in connection with its initial public offering.

SEC source: 0001209191-18-006613 · doc4.xml · nonDerivative · entry 1

Gordon Michael Lawrence · CIK 0001615459 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 1,000

F1 · shares: Represents shares purchased through the Issuer's directed share program in connection with its initial public offering.

SEC source: 0001209191-18-006612 · doc4.xml · nonDerivative · entry 2

Eisenberg Meagen · CIK 0001719468 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By spouse

Disclosed balance after: 1,000

F1 · shares: Represents shares purchased through the Issuer's directed share program in connection with its initial public offering.

SEC source: 0001209191-18-006612 · doc4.xml · nonDerivative · entry 1

Eisenberg Meagen · CIK 0001719468 · Chief Marketing Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 400

F1 · shares: Represents shares purchased through the Issuer's directed share program in connection with its initial public offering.