Lin Alfred

SEC source: 0001062993-23-006461 · form4.xml · nonDerivative · entry 5

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 6,721,088

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

F3 · ownership.nature: (Continued from Footnote 2) Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds; (iv) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and

F4 · ownership.nature: (Continued from Footnote 3) (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-006461 · form4.xml · nonDerivative · entry 4

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 283,429

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

F3 · ownership.nature: (Continued from Footnote 2) Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds; (iv) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and

F4 · ownership.nature: (Continued from Footnote 3) (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-006461 · form4.xml · nonDerivative · entry 3

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 3,134,030

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

F3 · ownership.nature: (Continued from Footnote 2) Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds; (iv) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and

F4 · ownership.nature: (Continued from Footnote 3) (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-006461 · form4.xml · nonDerivative · entry 2

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 239,108

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

F3 · ownership.nature: (Continued from Footnote 2) Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds; (iv) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and

F4 · ownership.nature: (Continued from Footnote 3) (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-006461 · form4.xml · nonDerivative · entry 1

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 3,342,292

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

F3 · ownership.nature: (Continued from Footnote 2) Sequoia Capital U.S. Growth VI Principals Fund, L.P. (SC US GFVI PF), or collectively, the SC US GFVI Funds; (iv) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of Sequoia Capital U.S. Growth Fund VII, L.P. (SC US GFVII) and Sequoia Capital U.S. Growth VII Principals Fund, L.P. (SC US GFVII PF), or collectively, the SC US GFVII Funds; and

F4 · ownership.nature: (Continued from Footnote 3) (v) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-005654 · form4.xml · derivative · entry 9

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund Parallel, LLC

Disclosed balance after: 6,459,036

Underlying: Class A Common Stock · 721,755 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 Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F1 · 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 election of the holder thereof and has no expiration date.

F1 · 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 election of the holder thereof and has no expiration date.

F1 · 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 election of the holder thereof and has no expiration date.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"), and (ii) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of Sequoia Capital U.S. Venture 2010-Seed Fund L.P. ("USV 2010-Seed"). 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: 0001062993-23-005654 · form4.xml · derivative · entry 8

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund, LP

Disclosed balance after: 34,847,506

Underlying: Class A Common Stock · 3,748,320 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the election of the holder thereof and has no expiration date.

F1 · 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 election of the holder thereof and has no expiration date.

F1 · 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 election of the holder thereof and has no expiration date.

F1 · 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 election of the holder thereof and has no expiration date.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"), and (ii) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of Sequoia Capital U.S. Venture 2010-Seed Fund L.P. ("USV 2010-Seed"). 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: 0001062993-23-005654 · form4.xml · nonDerivative · entry 5

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By estate planning vehicle

Disclosed balance after: 186,735

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

SEC source: 0001062993-23-005654 · form4.xml · nonDerivative · entry 4

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund Parallel, LLC

Disclosed balance after: 80,773

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"), and (ii) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of Sequoia Capital U.S. Venture 2010-Seed Fund L.P. ("USV 2010-Seed"). 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: 0001062993-23-005654 · form4.xml · nonDerivative · entry 3

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund Parallel, LLC

Disclosed balance after: 807,421

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 · 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 election of the holder thereof and has no expiration date.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"), and (ii) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of Sequoia Capital U.S. Venture 2010-Seed Fund L.P. ("USV 2010-Seed"). 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: 0001062993-23-005654 · form4.xml · nonDerivative · entry 2

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund, LP

Disclosed balance after: 585,748

F2 · kind: Represents a pro rata in-kind distribution of shares of Class A Common Stock of the Issuer to partners or members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"), and (ii) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of Sequoia Capital U.S. Venture 2010-Seed Fund L.P. ("USV 2010-Seed"). 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: 0001062993-23-005654 · form4.xml · nonDerivative · entry 1

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund, LP

Disclosed balance after: 4,522,776

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 · 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 election of the holder thereof and has no expiration date.

F3 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"), and (ii) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of Sequoia Capital U.S. Venture 2010-Seed Fund L.P. ("USV 2010-Seed"). 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: 0001062993-23-005649 · form4.xml · nonDerivative · entry 13

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By estate planning vehicle

Disclosed balance after: 922,334

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

SEC source: 0001062993-23-005649 · form4.xml · nonDerivative · entry 12

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund Parallel, LLC

Disclosed balance after: 1,038,529

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F7 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. The Reporting Person disclaims beneficial ownership of the shares held by SCF and SCFP 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: 0001062993-23-005649 · form4.xml · nonDerivative · entry 11

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund, LP

Disclosed balance after: 6,519,834

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F7 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"). As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SCF and SCFP. The Reporting Person disclaims beneficial ownership of the shares held by SCF and SCFP 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: 0001062993-23-005649 · form4.xml · nonDerivative · entry 10

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Grove II, LLC

Disclosed balance after: 2,183,598

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F6 · 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: 0001062993-23-005649 · form4.xml · nonDerivative · entry 9

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

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

F4 · ownership.nature: (Continued from Footnote 3) (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-005649 · form4.xml · nonDerivative · entry 8

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

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

F4 · ownership.nature: (Continued from Footnote 3) (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-005649 · form4.xml · nonDerivative · entry 7

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 10,849,390

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

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

F4 · ownership.nature: (Continued from Footnote 3) (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-005649 · form4.xml · nonDerivative · entry 6

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 119,989

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

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

F4 · ownership.nature: (Continued from Footnote 3) (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-005649 · form4.xml · nonDerivative · entry 5

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 7,841,270

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

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

F4 · ownership.nature: (Continued from Footnote 3) (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-005649 · form4.xml · nonDerivative · entry 4

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 330,668

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

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

F4 · ownership.nature: (Continued from Footnote 3) (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-005649 · form4.xml · nonDerivative · entry 3

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 3,656,369

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

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

F4 · ownership.nature: (Continued from Footnote 3) (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-005649 · form4.xml · nonDerivative · entry 2

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 278,960

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

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

F4 · ownership.nature: (Continued from Footnote 3) (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-23-005649 · form4.xml · nonDerivative · entry 1

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 3,899,341

F1 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

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

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

F4 · ownership.nature: (Continued from Footnote 3) (vi) the general partner of SCGGF III - U.S./India Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund III - U.S./India Annex Fund, L.P. (SC GGFIII) and Sequoia Capital Global Growth Fund III - U.S./India Annex Principals Fund, L.P. (SC GGFIII PF), or collectively, the SC GGFIII Funds. As a result, the Reporting Person may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

F5 · ownership.nature: 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 purpose.

SEC source: 0001062993-22-017592 · form4.xml · derivative · entry 14

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By estate planning vehicle

Disclosed balance after: 0

Underlying: Class A Common Stock · 126,937 shares

Expires not disclosed

F11 · 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.

F10 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F11 · 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.

F11 · 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: 0001062993-22-017592 · form4.xml · derivative · entry 13

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund Parallel, LLC

Disclosed balance after: 7,565,967

Underlying: Class A Common Stock · 1,526,135 shares

Expires not disclosed

F11 · 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.

F10 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F11 · 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.

F11 · 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.

F7 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"). 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: 0001062993-22-017592 · form4.xml · derivative · entry 12

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund, LP

Disclosed balance after: 38,595,826

Underlying: Class A Common Stock · 8,038,703 shares

Expires not disclosed

F11 · 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.

F10 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F11 · 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.

F11 · 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.

F7 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"). 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: 0001062993-22-017592 · form4.xml · derivative · entry 11

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 0

Underlying: Class A Common Stock · 91,889 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.

F11 · 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.

F8 · kind: Represents the conversion of 91,889 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F8 · shares: Represents the conversion of 91,889 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F11 · 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.

F11 · 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.

F6 · 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: 0001062993-22-017592 · form4.xml · derivative · entry 10

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Class A Common Stock · 8,371,160 shares

Expires not disclosed

F11 · 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.

F10 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F10 · shares: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F11 · 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.

F11 · 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.

F4 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd., which is: (i) 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; (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of GGF and GGF PF; and (iii) the general partner of SC Global Growth II Management, L.P., which is the general partner of each GGF II and GGF II PF. 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.

F5 · 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: 0001062993-22-017592 · form4.xml · derivative · entry 9

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,371,160

Underlying: Class A Common Stock · 2,975,439 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.

F11 · 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 · kind: Represents the conversion of Class B Common Stock to Class A Common Stock in the following amounts: 713,925 shares held by Sequoia Capital Global Growth Fund, LP ("GGF"), 24,871 shares held by Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 8,534,781 shares held by Sequoia Capital XII, L.P. ("SC XII"), 454,385 shares held by Sequoia Technology Partners XII, L.P. ("STP XII"), 1,297,852 shares held by Sequoia Capital XII Principals Fund, LLC ("SC XII PF"), 227,044 shares held by Sequoia Capital Global Growth Fund II, L.P. ("GGF II"), 3,498 shares held by Sequoia Capital Global Growth II Principals Fund, L.P. ("GGF II PF"), 82,568 shares held by Sequoia Capital U.S. Growth Fund VII, L.P. ("US GF VII"), and 7,675 shares held by Sequoia Capital U.S. Growth VII Principals Fund, L.P. ("US GF VII PF").

F1 · shares: Represents the conversion of Class B Common Stock to Class A Common Stock in the following amounts: 713,925 shares held by Sequoia Capital Global Growth Fund, LP ("GGF"), 24,871 shares held by Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 8,534,781 shares held by Sequoia Capital XII, L.P. ("SC XII"), 454,385 shares held by Sequoia Technology Partners XII, L.P. ("STP XII"), 1,297,852 shares held by Sequoia Capital XII Principals Fund, LLC ("SC XII PF"), 227,044 shares held by Sequoia Capital Global Growth Fund II, L.P. ("GGF II"), 3,498 shares held by Sequoia Capital Global Growth II Principals Fund, L.P. ("GGF II PF"), 82,568 shares held by Sequoia Capital U.S. Growth Fund VII, L.P. ("US GF VII"), and 7,675 shares held by Sequoia Capital U.S. Growth VII Principals Fund, L.P. ("US GF VII PF").

F11 · 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.

F11 · 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.

F4 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd., which is: (i) 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; (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of GGF and GGF PF; and (iii) the general partner of SC Global Growth II Management, L.P., which is the general partner of each GGF II and GGF II PF. 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.

F5 · 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: 0001062993-22-017592 · 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: 122,853

F10 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

SEC source: 0001062993-22-017592 · form4.xml · nonDerivative · entry 6

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund Parallel, LLC

Disclosed balance after: 87,559

F10 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F7 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"). 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: 0001062993-22-017592 · form4.xml · nonDerivative · entry 5

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund, LP

Disclosed balance after: 774,456

F10 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F7 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"). 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: 0001062993-22-017592 · 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: 0

F9 · kind: Represents a pro rata distribution of 91,889 shares of Class A Common Stock of the Issuer to partners and members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F9 · shares: Represents a pro rata distribution of 91,889 shares of Class A Common Stock of the Issuer to partners and members for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F6 · 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: 0001062993-22-017592 · form4.xml · nonDerivative · entry 3

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 91,889

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.

F8 · kind: Represents the conversion of 91,889 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F8 · shares: Represents the conversion of 91,889 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F6 · 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: 0001062993-22-017592 · form4.xml · nonDerivative · entry 2

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F10 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F3 · shares: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 713,925 shares from GGF, 24,871 shares from GGF PF, 8,534,781 shares from SC XII, 454,385 shares from STP XII, 1,297,852 shares from SC XII PF, 729,802 shares from GGF II, 11,244 shares from GGF II PF, 82,568 shares from US GF VII and 7,675 shares from US GF VII PF.

F4 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd., which is: (i) 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; (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of GGF and GGF PF; and (iii) the general partner of SC Global Growth II Management, L.P., which is the general partner of each GGF II and GGF II PF. 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.

F5 · 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: 0001062993-22-017592 · form4.xml · nonDerivative · entry 1

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 3,485,943

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 · kind: Represents the conversion of Class B Common Stock to Class A Common Stock in the following amounts: 713,925 shares held by Sequoia Capital Global Growth Fund, LP ("GGF"), 24,871 shares held by Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 8,534,781 shares held by Sequoia Capital XII, L.P. ("SC XII"), 454,385 shares held by Sequoia Technology Partners XII, L.P. ("STP XII"), 1,297,852 shares held by Sequoia Capital XII Principals Fund, LLC ("SC XII PF"), 227,044 shares held by Sequoia Capital Global Growth Fund II, L.P. ("GGF II"), 3,498 shares held by Sequoia Capital Global Growth II Principals Fund, L.P. ("GGF II PF"), 82,568 shares held by Sequoia Capital U.S. Growth Fund VII, L.P. ("US GF VII"), and 7,675 shares held by Sequoia Capital U.S. Growth VII Principals Fund, L.P. ("US GF VII PF").

F1 · shares: Represents the conversion of Class B Common Stock to Class A Common Stock in the following amounts: 713,925 shares held by Sequoia Capital Global Growth Fund, LP ("GGF"), 24,871 shares held by Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 8,534,781 shares held by Sequoia Capital XII, L.P. ("SC XII"), 454,385 shares held by Sequoia Technology Partners XII, L.P. ("STP XII"), 1,297,852 shares held by Sequoia Capital XII Principals Fund, LLC ("SC XII PF"), 227,044 shares held by Sequoia Capital Global Growth Fund II, L.P. ("GGF II"), 3,498 shares held by Sequoia Capital Global Growth II Principals Fund, L.P. ("GGF II PF"), 82,568 shares held by Sequoia Capital U.S. Growth Fund VII, L.P. ("US GF VII"), and 7,675 shares held by Sequoia Capital U.S. Growth VII Principals Fund, L.P. ("US GF VII PF").

F2 · balance_after: Includes shares of Class A Common Stock in the following amounts: 713,925 shares held by GGF, 24,871 shares held by GGF PF, 8,534,781 shares held by SC XII, 454,385 shares held by STP XII, 1,297,852 shares held by SC XII PF, 729,802 shares held by GGF II, 11,244 shares held by GGF II PF, 82,568 shares held by US GF VII and 7,675 shares held by US GF VII PF.

F4 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd., which is: (i) 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; (ii) the general partner of SCGGF Management, L.P., which is the general partner of each of GGF and GGF PF; and (iii) the general partner of SC Global Growth II Management, L.P., which is the general partner of each GGF II and GGF II PF. 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.

F5 · 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: 0001209191-22-039432 · doc4.xml · nonDerivative · entry 1

Lin Alfred · CIK 0001790330 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,953

F1 · shares: Each share is represented by a restricted stock unit ("RSU"). The RSUs will vest on the earlier of (i) the one year anniversary of the grant date, or (ii) the day prior to the date of the Issuer's next annual meeting of shareholders, in each case subject to the Reporting Person continuing to be a service provider through the applicable vesting date.

F2 · balance_after: Certain of these securities are represented by RSUs.

SEC source: 0001062993-22-014177 · form4a.xml · nonDerivative · entry 1

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 518,657

F1 · kind: These shares were received by Sequoia Capital U.S. Venture 2010-Seed Fund L.P. ("USV 2010-Seed") as part of a pro rata distribution-in-kind of Class A Common Stock of the Issuer to the limited partners of an investment fund.

F1 · shares: These shares were received by Sequoia Capital U.S. Venture 2010-Seed Fund L.P. ("USV 2010-Seed") as part of a pro rata distribution-in-kind of Class A Common Stock of the Issuer to the limited partners of an investment fund.

F2 · balance_after: Includes shares of Class A Common Stock in the following amounts: 8,153 shares held by USV 2010-Seed, 502,758 shares held by Sequoia Capital Global Growth Fund II, L.P. ("GGF II"), and 7,746 shares held by Sequoia Capital Global Growth II Principals Fund, L.P. ("GGF II PF").

F4 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd., which is: (i) the general partner of SC Global Growth II Management, L.P., which is the general partner of each Sequoia Capital Global Growth Fund II, L.P. ("GGF II") and Sequoia Capital Global Growth II Principals Fund, L.P. ("GGF II PF"); and (ii) the general partner of SC U.S. Venture 2010 Management, L.P., which is the general partner of USV 2010-Seed.

F5 · 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: 0001062993-22-013761 · form4.xml · derivative · entry 13

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By estate planning vehicle

Disclosed balance after: 126,937

Underlying: Class A Common Stock · 557,302 shares

Expires not disclosed

F12 · derivative.exercise_price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F12 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F13 · 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.

F13 · 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: 0001062993-22-013761 · form4.xml · derivative · entry 12

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund Parallel, LLC

Disclosed balance after: 6,034,947

Underlying: Class A Common Stock · 1,808,182 shares

Expires not disclosed

F12 · derivative.exercise_price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F12 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F13 · 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.

F13 · 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.

F8 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"). 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: 0001062993-22-013761 · form4.xml · derivative · entry 11

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Fund, LP

Disclosed balance after: 30,557,123

Underlying: Class A Common Stock · 9,160,742 shares

Expires not disclosed

F12 · derivative.exercise_price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F12 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F13 · 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.

F13 · 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.

F8 · ownership.nature: The Reporting Person is a director and stockholder of SC US (TTGP), Ltd. is (i) the general partner of Sequoia Capital Fund Management, L.P., which is the general partner of each of Sequoia Capital Fund, LP ("SCF") and Sequoia Capital Fund Parallel, LLC ("SCFP"). 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: 0001062993-22-013761 · 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: 91,889

Underlying: Class A Common Stock · 271,338 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.

F12 · derivative.exercise_price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F9 · kind: Represents the conversion of 271,338 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F9 · shares: Represents the conversion of 271,338 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F13 · 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.

F13 · 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.

F7 · 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: 0001062993-22-013761 · form4.xml · derivative · entry 9

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 11,346,597

Underlying: Class A Common Stock · 12,786,050 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.

F12 · derivative.exercise_price: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F1 · kind: Represents the conversion of Class B Common Stock to Class A Common Stock in the following amounts: 1,760,242 shares held by SC US GF V Holdings, Ltd. ("US GF V Holdco"), 713,923 shares held by Sequoia Capital Global Growth Fund, LP ("GGF"), 24,869 shares held by Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 8,534,781 shares held by Sequoia Capital XII, L.P.("SC XII"), 454,385 shares held by Sequoia Technology Partners XII, L.P. ("STP XII"), and 1,297,850 shares held by Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F1 · shares: Represents the conversion of Class B Common Stock to Class A Common Stock in the following amounts: 1,760,242 shares held by SC US GF V Holdings, Ltd. ("US GF V Holdco"), 713,923 shares held by Sequoia Capital Global Growth Fund, LP ("GGF"), 24,869 shares held by Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 8,534,781 shares held by Sequoia Capital XII, L.P.("SC XII"), 454,385 shares held by Sequoia Technology Partners XII, L.P. ("STP XII"), and 1,297,850 shares held by Sequoia Capital XII Principals Fund, LLC ("SC XII PF").

F13 · 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.

F13 · 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.

F11 · balance_after: Includes shares of Class B Common Stock in the following amounts: 713,924 shares held by GGF, 24,870 shares held by GGF PF, 227,044 shares held by GGF II, 3,498 shares held by GGF II PF, 82,568 shares held by GF VII, 7,675 shares held by GF VII PF, 8,534,781 shares held by SC XII, 454,385 shares held by STP XII, and 1,297,852 shares held by SC XII PF.

F5 · 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; and (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. 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.

F6 · 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: 0001062993-22-013761 · form4.xml · nonDerivative · entry 6

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,775

F14 · kind: Reflects an award of restricted stock units, which will vest on May 25, 2023. Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.

SEC source: 0001062993-22-013761 · form4.xml · nonDerivative · entry 5

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By estate planning vehicle

Disclosed balance after: 126,926

F12 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

SEC source: 0001062993-22-013761 · 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: 0

F12 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F10 · shares: Represents a pro rata distribution of 271,338 shares of Class A Common Stock of the Issuer to partners and members.

F7 · 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: 0001062993-22-013761 · form4.xml · nonDerivative · entry 3

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 271,338

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.

F9 · kind: Represents the conversion of 271,338 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F9 · shares: Represents the conversion of 271,338 shares of Class B Common Stock of the Issuer to Class A Common Stock.

F7 · 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: 0001062993-22-013761 · form4.xml · nonDerivative · entry 2

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 510,504

F12 · kind: Represents a pro rata distribution of Common Stock of the Issuer to partners or members of the applicable distributing fund for no consideration and includes subsequent distributions by general partners or managing members to their respective partners or members and the contribution by such partners or members to the applicable recipient fund.

F3 · shares: Represents a pro rata distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 1,760,242 shares from US GF V Holdco, 713,923 shares from GGF, 24,869 shares from GGF PF, 8,534,781 shares from SC XII, 454,385 shares from STP XII, and 1,297,850 shares from SC XII PF.

F4 · balance_after: Includes shares of Class A Common Stock in the following amounts: 502,758 shares held by GGF II, and 7,746 shares held by GGF II PF.

F5 · 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; and (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. 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.

F6 · 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.