Lin Alfred

SEC source: 0000899243-20-033991 · doc4.xml · derivative · entry 42

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: 0

Underlying: Common Stock · 44,050 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.

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

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 41

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: 0

Underlying: Common Stock · 4,815 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 40

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: 0

Underlying: Common Stock · 476,660 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 39

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: 0

Underlying: Common Stock · 2,405 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 38

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: 0

Underlying: Common Stock · 238,325 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 37

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: 0

Underlying: Common Stock · 166,155 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 36

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: 0

Underlying: Common Stock · 13,453,175 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 35

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: 0

Underlying: Common Stock · 469,980 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 34

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: 0

Underlying: Common Stock · 7,222,035 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 33

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: 0

Underlying: Common Stock · 398,515 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 32

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: 0

Underlying: Common Stock · 7,956,090 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 31

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 182,474 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · derivative · entry 30

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 20,399,725 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: Immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock, the Issuer's Common Stock was reclassified as Class A Common Stock. Immediately prior to completion of the Issuer's initialpublic offering of Class A Common Stock, each share of Series A Convertible Preferred Stock, Series C Convertible Preferred Stock, Series D Convertible Preferred Stock, Series E Convertible Preferred Stock, Series F Convertible Preferred Stock, and Series H Convertible Preferred Stock was automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a one-to-one basis and had no expiration date. Immediately prior to completion of the Issuer's initial public offering of Class A Common Stock, each share of Series B Convertible Preferred Stock automatically converted into Common Stock, which was immediately reclassified as Class A Common Stock, on a 1:1.036138784 basis and had no expiration date.

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 29

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund, III- U.S./India Annex Principals Fund,-L.P.

Disclosed balance after: 5,350

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 28

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund, III- U.S./India Annex Fund, L.P.

Disclosed balance after: 244,650

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 27

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: 21,500

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 26

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 740,920

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 25

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: 171,415

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 24

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: 13,973,885

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 23

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: 472,385

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 22

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: 7,460,360

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 21

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: 398,515

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 20

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: 7,956,090

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 19

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 20,582,199

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 18

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 17

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 16

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: 0

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 15

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: 0

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 14

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: 0

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 13

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: 0

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 12

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: 0

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 11

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: 0

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 10

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

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

F6 · kind: Represents a reclassification of the Issuer's common stock into Class A Common Stock immediately prior to the completion of the Issuer's initial public offering, which reclassification is exempt from Section 16(b) of the Securities Exchange Act of 1934, as amended, pursuant to Rule 16b-7 thereunder.

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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.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: 21,500

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.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: 740,920

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 7

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: 171,415

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 6

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: 13,973,885

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 5

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: 472,385

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 4

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: 7,460,360

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 3

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: 398,515

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 2

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: 7,956,090

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033991 · doc4.xml · nonDerivative · entry 1

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 20,582,199

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

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

F2 · ownership.nature: 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, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco, the SC GGFII Funds, the SC US GFVI Funds, the SC US GFVII Funds, the SC GGF Funds and the SC GGFIII Funds.

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: 0000899243-20-033656 · doc4.xml · nonDerivative · entry 1

Lin Alfred · CIK 0001790330 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,127

F1 · shares: Represents an award of restricted stock units that will vest in full on May 25, 2021. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and has no expiration date.