ABNB

SEC source: 0000899243-21-046414 · doc4.xml · nonDerivative · entry 9

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 223,427

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.36 to $180.25. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-21-046414 · doc4.xml · nonDerivative · entry 8

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 230,644

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.36 to $179.355. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-21-046414 · doc4.xml · nonDerivative · entry 7

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 243,577

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.36 to $178.35. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-21-046414 · doc4.xml · nonDerivative · entry 6

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 249,054

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.35 to $177.30. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-21-046414 · doc4.xml · nonDerivative · entry 5

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 250,654

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.

SEC source: 0000899243-21-046414 · doc4.xml · nonDerivative · entry 4

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 223,327

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $179.54 to $180.32. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-21-046414 · doc4.xml · nonDerivative · entry 3

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 225,263

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $178.54 to $179.50. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-21-046414 · doc4.xml · nonDerivative · entry 2

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 230,263

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $177.50 to $178.405. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-21-046414 · doc4.xml · nonDerivative · entry 1

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 232,105

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $176.50 to $177.49. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-21-046146 · doc4.xml · nonDerivative · entry 2

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 1,220,258

SEC source: 0000899243-21-046305 · doc4.xml · nonDerivative · entry 1

Stephenson Dave · CIK 0001834164 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 267,993

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

SEC source: 0000899243-21-046146 · doc4.xml · derivative · entry 5

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 57,931,292

Underlying: Class A Common Stock · 1,556,082 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 Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0000899243-21-046146 · doc4.xml · nonDerivative · entry 1

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 2,776,340

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

F1 · price: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0000899243-21-045833 · doc4.xml · nonDerivative · entry 2

Stephenson Dave · CIK 0001834164 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 283,198

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

SEC source: 0001062993-21-011526 · form4.xml · derivative · entry 7

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

SC U.S. Growth VII Management, L.P. · CIK 0001742978 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VII, L.P. · CIK 0001656511 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VII PRINCIPALS FUND, L.P. · CIK 0001656513 · 10% owner

Sequoia Grove Manager, LLC · CIK 0001863586 · 10% owner

Sequoia Grove II, LLC · CIK 0001863636 · 10% owner

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

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 815,522

Underlying: Class A Common Stock · 79,641 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.

F14 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F12 · shares: Represents the conversion of 79,641 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F14 · price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F11 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC 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 purpose.

SEC source: 0001062993-21-011526 · form4.xml · derivative · entry 6

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

SC U.S. Growth VII Management, L.P. · CIK 0001742978 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VII, L.P. · CIK 0001656511 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VII PRINCIPALS FUND, L.P. · CIK 0001656513 · 10% owner

Sequoia Grove Manager, LLC · CIK 0001863586 · 10% owner

Sequoia Grove II, LLC · CIK 0001863636 · 10% owner

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

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 54,597,692

Underlying: Class A Common Stock · 5,952,965 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.

F14 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F3 · shares: Represents the conversion of Class B Common Stock of the Issuer to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F14 · price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F15 · balance_after: Includes shares of Class B Common Stock in the following amounts: 860,812 shares held by GGF II, 13,262 shares held by GGF II PF, 134,433 shares held by US GF VII, 12,496 shares held by US GF VII PF, 3,960,547 shares held by US GF V Holdco, 3,212,655 shares held by GGF, 111,913 shares held by GGF PF, 38,406,515 shares held by SC XII, 2,044,732 shares held by STP XII and 5,840,327 shares held by SC XII PF.

F7 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F8 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds); and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed.

F9 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds, the SC GGF II Funds and USV 2010-seed. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or the SC GGF II Funds, as applicable.

F10 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SC U.S. Venture 2010 Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the SC GGF Funds, the SC GGF II Funds, and USV 2010-seed except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII 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: 0001062993-21-011526 · form4.xml · nonDerivative · entry 5

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

SC U.S. Growth VII Management, L.P. · CIK 0001742978 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VII, L.P. · CIK 0001656511 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VII PRINCIPALS FUND, L.P. · CIK 0001656513 · 10% owner

Sequoia Grove Manager, LLC · CIK 0001863586 · 10% owner

Sequoia Grove II, LLC · CIK 0001863636 · 10% owner

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

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 22,726

F13 · kind: Represents a distribution of 93,139 shares of Class A Common Stock of the Issuer to partners and members.

F11 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC 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 purpose.

SEC source: 0001062993-21-011526 · form4.xml · nonDerivative · entry 4

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

SC U.S. Growth VII Management, L.P. · CIK 0001742978 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VII, L.P. · CIK 0001656511 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VII PRINCIPALS FUND, L.P. · CIK 0001656513 · 10% owner

Sequoia Grove Manager, LLC · CIK 0001863586 · 10% owner

Sequoia Grove II, LLC · CIK 0001863636 · 10% owner

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

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 115,865

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.

F12 · kind: Represents the conversion of 79,641 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F11 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC 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 purpose.

SEC source: 0001062993-21-011526 · form4.xml · nonDerivative · entry 3

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

SC U.S. Growth VII Management, L.P. · CIK 0001742978 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VII, L.P. · CIK 0001656511 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VII PRINCIPALS FUND, L.P. · CIK 0001656513 · 10% owner

Sequoia Grove Manager, LLC · CIK 0001863586 · 10% owner

Sequoia Grove II, LLC · CIK 0001863636 · 10% owner

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

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 854,128

F5 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 7,386 shares from USV 2010-seed, 182,451 shares from GGF II, 20,642 shares from GF VII, 440,061"US GF V Holdco, 356,961 shares from GGF, 12,435 shares from GGF PF, 4,267,391 shares from SC XII, 227,192 shares from STP XII and 648,925 shares from SC XII PF.

F5 · shares: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 7,386 shares from USV 2010-seed, 182,451 shares from GGF II, 20,642 shares from GF VII, 440,061"US GF V Holdco, 356,961 shares from GGF, 12,435 shares from GGF PF, 4,267,391 shares from SC XII, 227,192 shares from STP XII and 648,925 shares from SC XII PF.

F6 · balance_after: Includes shares of Class A Common Stock in the following amounts: 781,245 shares held by GGF II, 14,848 shares held by GGF II PF, 51,345 shares held by US GF VII and 6,690 shares held by US GF VII PF.

F7 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F8 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds); and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed.

F9 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds, the SC GGF II Funds and USV 2010-seed. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or the SC GGF II Funds, as applicable.

F10 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SC U.S. Venture 2010 Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the SC GGF Funds, the SC GGF II Funds, and USV 2010-seed except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII 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: 0001062993-21-011526 · form4.xml · nonDerivative · entry 2

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

SC U.S. Growth VII Management, L.P. · CIK 0001742978 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VII, L.P. · CIK 0001656511 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VII PRINCIPALS FUND, L.P. · CIK 0001656513 · 10% owner

Sequoia Grove Manager, LLC · CIK 0001863586 · 10% owner

Sequoia Grove II, LLC · CIK 0001863636 · 10% owner

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

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,017,572

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 · kind: Represents the conversion of Class B Common Stock of the Issuer to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F3 · shares: Represents the conversion of Class B Common Stock of the Issuer to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F4 · balance_after: Includes shares of Class A Common Stock in the following amounts: 7,386 shares held by USV 2010-seed, 963,696 shares held by GGF II, 14,848 shares held by GGF II PF, 71,987 shares held by US GF VII, 6,690 shares held by US GF VII PF, 440,061 shares held by US GF V Holdco, 356,961 shares held by GGF, 12,435 shares held by GGF PF, 4,267,391 shares held by SC XII, 227,192 shares held by STP XII and 648,925 shares held by SC XII PF.

F7 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F8 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds); and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed.

F9 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds, the SC GGF II Funds and USV 2010-seed. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or the SC GGF II Funds, as applicable.

F10 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SC U.S. Venture 2010 Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the SC GGF Funds, the SC GGF II Funds, and USV 2010-seed except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII 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: 0000899243-21-045821 · doc4.xml · derivative · entry 4

Johnson Belinda J. · CIK 0001694150 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Family Trust

Disclosed balance after: 476,554

Underlying: Class A Common Stock · 172,000 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 Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0000899243-21-045821 · doc4.xml · nonDerivative · entry 3

Johnson Belinda J. · CIK 0001694150 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,327

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

SEC source: 0000899243-21-045821 · doc4.xml · nonDerivative · entry 2

Johnson Belinda J. · CIK 0001694150 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 311,327

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

SEC source: 0000899243-21-045821 · doc4.xml · nonDerivative · entry 1

Johnson Belinda J. · CIK 0001694150 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 371,327

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

F1 · price: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001062993-21-011525 · form4.xml · derivative · entry 7

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 815,522

Underlying: Class A Common Stock · 79,641 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.

F14 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F12 · shares: Represents the conversion of 79,641 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F14 · price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F11 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC 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 purpose.

SEC source: 0001062993-21-011525 · form4.xml · derivative · entry 6

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 54,597,692

Underlying: Class A Common Stock · 5,952,965 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.

F14 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F3 · shares: Represents the conversion of Class B Common Stock of the Issuer to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F14 · price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F15 · balance_after: Includes shares of Class B Common Stock in the following amounts: 860,812 shares held by GGF II, 13,262 shares held by GGF II PF, 134,433 shares held by US GF VII, 12,496 shares held by US GF VII PF, 3,960,547 shares held by US GF V Holdco, 3,212,655 shares held by GGF, 111,913 shares held by GGF PF, 38,406,515 shares held by SC XII, 2,044,732 shares held by STP XII and 5,840,327 shares held by SC XII PF.

F7 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F8 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds); and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed.

F9 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds, the SC GGF II Funds and USV 2010-seed. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or the SC GGF II Funds, as applicable.

F10 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SC U.S. Venture 2010 Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the SC GGF Funds, the SC GGF II Funds, and USV 2010-seed except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII 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: 0001062993-21-011525 · form4.xml · nonDerivative · entry 5

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 22,726

F13 · kind: Represents a distribution of 93,139 shares of Class A Common Stock of the Issuer to partners and members.

F11 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC 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 purpose.

SEC source: 0001062993-21-011525 · form4.xml · nonDerivative · entry 4

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 115,865

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.

F12 · kind: Represents the conversion of 79,641 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F11 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC 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 purpose.

SEC source: 0001062993-21-011525 · form4.xml · nonDerivative · entry 3

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 854,128

F5 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 7,386 shares from USV 2010-seed, 182,451 shares from GGF II, 20,642 shares from GF VII, 440,061"US GF V Holdco, 356,961 shares from GGF, 12,435 shares from GGF PF, 4,267,391 shares from SC XII, 227,192 shares from STP XII and 648,925 shares from SC XII PF.

F5 · shares: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 7,386 shares from USV 2010-seed, 182,451 shares from GGF II, 20,642 shares from GF VII, 440,061"US GF V Holdco, 356,961 shares from GGF, 12,435 shares from GGF PF, 4,267,391 shares from SC XII, 227,192 shares from STP XII and 648,925 shares from SC XII PF.

F6 · balance_after: Includes shares of Class A Common Stock in the following amounts: 781,245 shares held by GGF II, 14,848 shares held by GGF II PF, 51,345 shares held by US GF VII and 6,690 shares held by US GF VII PF.

F7 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F8 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds); and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed.

F9 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds, the SC GGF II Funds and USV 2010-seed. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or the SC GGF II Funds, as applicable.

F10 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SC U.S. Venture 2010 Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the SC GGF Funds, the SC GGF II Funds, and USV 2010-seed except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII 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: 0001062993-21-011525 · form4.xml · nonDerivative · entry 2

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,017,572

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 · kind: Represents the conversion of Class B Common Stock of the Issuer to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F3 · shares: Represents the conversion of Class B Common Stock of the Issuer to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F4 · balance_after: Includes shares of Class A Common Stock in the following amounts: 7,386 shares held by USV 2010-seed, 963,696 shares held by GGF II, 14,848 shares held by GGF II PF, 71,987 shares held by US GF VII, 6,690 shares held by US GF VII PF, 440,061 shares held by US GF V Holdco, 356,961 shares held by GGF, 12,435 shares held by GGF PF, 4,267,391 shares held by SC XII, 227,192 shares held by STP XII and 648,925 shares held by SC XII PF.

F7 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F8 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds); and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed.

F9 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds, the SC GGF II Funds and USV 2010-seed. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or the SC GGF II Funds, as applicable.

F10 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SC U.S. Venture 2010 Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the SC GGF Funds, the SC GGF II Funds, and USV 2010-seed except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII 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: 0001062993-21-011524 · form4.xml · derivative · entry 7

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 815,522

Underlying: Class A Common Stock · 79,641 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.

F14 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F12 · shares: Represents the conversion of 79,641 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F14 · price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F11 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC 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 purpose.

SEC source: 0001062993-21-011524 · form4.xml · derivative · entry 6

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 54,597,692

Underlying: Class A Common Stock · 5,952,965 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.

F14 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F3 · shares: Represents the conversion of Class B Common Stock of the Issuer to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F14 · price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F15 · balance_after: Includes shares of Class B Common Stock in the following amounts: 860,812 shares held by GGF II, 13,262 shares held by GGF II PF, 134,433 shares held by US GF VII, 12,496 shares held by US GF VII PF, 3,960,547 shares held by US GF V Holdco, 3,212,655 shares held by GGF, 111,913 shares held by GGF PF, 38,406,515 shares held by SC XII, 2,044,732 shares held by STP XII and 5,840,327 shares held by SC XII PF.

F7 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F8 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds); and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed.

F9 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds, the SC GGF II Funds and USV 2010-seed. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or the SC GGF II Funds, as applicable.

F10 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SC U.S. Venture 2010 Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the SC GGF Funds, the SC GGF II Funds, and USV 2010-seed except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII 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: 0001062993-21-011524 · form4.xml · nonDerivative · entry 5

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 22,726

F13 · kind: Represents a distribution of 93,139 shares of Class A Common Stock of the Issuer to partners and members.

F11 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC 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 purpose.

SEC source: 0001062993-21-011524 · form4.xml · nonDerivative · entry 4

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 115,865

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.

F12 · kind: Represents the conversion of 79,641 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F11 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC 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 purpose.

SEC source: 0001062993-21-011524 · form4.xml · nonDerivative · entry 3

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 854,128

F5 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 7,386 shares from USV 2010-seed, 182,451 shares from GGF II, 20,642 shares from GF VII, 440,061"US GF V Holdco, 356,961 shares from GGF, 12,435 shares from GGF PF, 4,267,391 shares from SC XII, 227,192 shares from STP XII and 648,925 shares from SC XII PF.

F5 · shares: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 7,386 shares from USV 2010-seed, 182,451 shares from GGF II, 20,642 shares from GF VII, 440,061"US GF V Holdco, 356,961 shares from GGF, 12,435 shares from GGF PF, 4,267,391 shares from SC XII, 227,192 shares from STP XII and 648,925 shares from SC XII PF.

F6 · balance_after: Includes shares of Class A Common Stock in the following amounts: 781,245 shares held by GGF II, 14,848 shares held by GGF II PF, 51,345 shares held by US GF VII and 6,690 shares held by US GF VII PF.

F7 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F8 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds); and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed.

F9 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds, the SC GGF II Funds and USV 2010-seed. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or the SC GGF II Funds, as applicable.

F10 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SC U.S. Venture 2010 Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the SC GGF Funds, the SC GGF II Funds, and USV 2010-seed except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII 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: 0001062993-21-011524 · form4.xml · nonDerivative · entry 2

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,017,572

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 · kind: Represents the conversion of Class B Common Stock of the Issuer to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F3 · shares: Represents the conversion of Class B Common Stock of the Issuer to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F4 · balance_after: Includes shares of Class A Common Stock in the following amounts: 7,386 shares held by USV 2010-seed, 963,696 shares held by GGF II, 14,848 shares held by GGF II PF, 71,987 shares held by US GF VII, 6,690 shares held by US GF VII PF, 440,061 shares held by US GF V Holdco, 356,961 shares held by GGF, 12,435 shares held by GGF PF, 4,267,391 shares held by SC XII, 227,192 shares held by STP XII and 648,925 shares held by SC XII PF.

F7 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F8 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds); and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed.

F9 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds, the SC GGF II Funds and USV 2010-seed. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or the SC GGF II Funds, as applicable.

F10 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., SC U.S. Venture 2010 Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the SC GGF Funds, the SC GGF II Funds, and USV 2010-seed except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII 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: 0000899243-21-045822 · doc4.xml · nonDerivative · entry 1

Bernstein David C · CIK 0001288881 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,103

SEC source: 0000899243-21-045825 · doc4.xml · nonDerivative · entry 1

POWELL CATHERINE C · CIK 0001186045 · Global Head of Hosting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,649

SEC source: 0000899243-21-045830 · doc4.xml · nonDerivative · entry 1

BALOGH ARISTOTLE N · CIK 0001216924 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 292,863

SEC source: 0001062993-21-011523 · form4.xml · derivative · entry 11

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By estate planning vehicle

Disclosed balance after: 615,969

Underlying: Class A Common Stock · 68,270 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.

F14 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F13 · shares: Represents the conversion of 68,270 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F14 · price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

SEC source: 0001062993-21-011523 · form4.xml · derivative · entry 10

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 815,522

Underlying: Class A Common Stock · 79,641 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.

F14 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F10 · shares: Represents the conversion of 79,641 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F14 · price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F9 · ownership.nature: The Reporting Person is a member of Sequoia Grove II, LLC. The Reporting Person disclaims beneficial ownership of these securities 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: 0001062993-21-011523 · form4.xml · derivative · entry 9

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 54,597,692

Underlying: Class A Common Stock · 5,952,965 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.

F14 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · kind: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F3 · shares: Represents the conversion of Class B Common Stock to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F14 · price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F14 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F15 · balance_after: Includes shares of Class B Common Stock in the following amounts: 860,812 shares held by GGF II, 13,262 shares held by GGF II PF, 134,433 shares held by US GF VII, 12,496 shares held by US GF VII PF, 3,960,547 shares held by US GF V Holdco, 3,212,655 shares held by GGF, 111,913 shares held by GGF PF, 38,406,515 shares held by SC XII, 2,044,732 shares held by STP XII and 5,840,327 shares held by SC XII PF.

F7 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd., which is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P., which together own 100% of the outstanding ordinary shares of US GF V Holdco; (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF; (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of GGF and GGF PF; (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each GGF II and GGF II PF; and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed. The Reporting Person is a member of SC XII Management, LLC, which is the general partner of each of SC XII and STP XII, and the managing member of SC XII PF.

F8 · ownership.nature: (cont'd) The Reporting Person disclaims beneficial ownership of these securities 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: 0001062993-21-011523 · form4.xml · nonDerivative · entry 7

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By estate planning vehicle

Disclosed balance after: 83,228

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.

F13 · kind: Represents the conversion of 68,270 shares of Class B Common Stock of the Issuer to Class A Common Stock.

SEC source: 0001062993-21-011523 · form4.xml · nonDerivative · entry 6

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By estate planning vehicle

Disclosed balance after: 14,958

F12 · kind: Represents the receipt of shares of A Common Stock of the Issuer by virtue of the pro rata in-kind distributions described in footnote (5) and footnote (11) above.

SEC source: 0001062993-21-011523 · form4.xml · nonDerivative · entry 5

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 22,726

F11 · kind: Represents a distribution of 93,139 shares of Class A Common Stock of the Issuer to partners and members.

F9 · ownership.nature: The Reporting Person is a member of Sequoia Grove II, LLC. The Reporting Person disclaims beneficial ownership of these securities 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: 0001062993-21-011523 · form4.xml · nonDerivative · entry 4

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 115,865

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.

F10 · kind: Represents the conversion of 79,641 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F9 · ownership.nature: The Reporting Person is a member of Sequoia Grove II, LLC. The Reporting Person disclaims beneficial ownership of these securities 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: 0001062993-21-011523 · form4.xml · nonDerivative · entry 3

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 854,128

F5 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 7,386 shares from USV 2010-seed, 182,451 shares from GGF II, 20,642 shares from GF VII, 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F5 · shares: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 7,386 shares from USV 2010-seed, 182,451 shares from GGF II, 20,642 shares from GF VII, 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F6 · balance_after: Includes shares of Class A Common Stock in the following amounts: 781,245 shares held by GGF II, 14,848 shares held by GGF II PF, 51,345 shares held by US GF VII and 6,690 shares held by US GF VII PF.

F7 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd., which is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P., which together own 100% of the outstanding ordinary shares of US GF V Holdco; (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF; (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of GGF and GGF PF; (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each GGF II and GGF II PF; and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed. The Reporting Person is a member of SC XII Management, LLC, which is the general partner of each of SC XII and STP XII, and the managing member of SC XII PF.

F8 · ownership.nature: (cont'd) The Reporting Person disclaims beneficial ownership of these securities 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: 0001062993-21-011523 · form4.xml · nonDerivative · entry 2

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,017,572

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 · kind: Represents the conversion of Class B Common Stock to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F3 · shares: Represents the conversion of Class B Common Stock to Class A Common Stock in the following amounts: 440,061 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 356,961 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 12,435 shares from Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 4,267,391 shares from Sequoia Capital XII, L.P. ("SC XII"), 227,192 shares from Sequoia Technology Partners XII, L.P. ("STP XII") and 648,925 shares from Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F4 · balance_after: Includes shares of Class A Common Stock in the following amounts: 7,386 shares held by USV 2010-seed, 963,696 shares held by GGF II, 14,848 shares held by GGF II PF, 71,987 shares held by US GF VII, 6,690 shares held by US GF VII PF, 440,061 shares held by US GF V Holdco, 356,961 shares held by GGF, 12,435 shares held by GGF PF, 4,267,391 shares held by SC XII, 227,192 shares held by STP XII and 648,925 shares held by SC XII PF.

F7 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd., which is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P., which together own 100% of the outstanding ordinary shares of US GF V Holdco; (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF; (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of GGF and GGF PF; (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each GGF II and GGF II PF; and (v) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-seed. The Reporting Person is a member of SC XII Management, LLC, which is the general partner of each of SC XII and STP XII, and the managing member of SC XII PF.

F8 · ownership.nature: (cont'd) The Reporting Person disclaims beneficial ownership of these securities 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: 0000899243-21-045855 · doc4.xml · nonDerivative · entry 1

Gebbia Joseph · CIK 0001834171 · Director · See Remarks · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 233,105

SEC source: 0000899243-21-045829 · doc4.xml · nonDerivative · entry 1

Blecharczyk Nathan · CIK 0001834147 · Director · Chief Strategy Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 530,703