ABNB

SEC source: 0000899243-21-013258 · doc4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,895

Underlying: Class A Common Stock · 37,895 shares

Expires 2031-03-19

F2 · derivative.exercise_date: The stock option vests in 48 equal monthly installments beginning on March 25, 2021.

SEC source: 0000899243-21-013258 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 297,325

F1 · shares: Reflects an award of restricted stock units, which vest in sixteen equal quarterly installments beginning on May 25, 2021. Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.

SEC source: 0000899243-21-013257 · doc4.xml · derivative · entry 2

Stephenson Dave · CIK 0001834164 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,526

Underlying: Class A Common Stock · 50,526 shares

Expires 2031-03-19

F2 · derivative.exercise_date: The stock option vests in 48 equal monthly installments beginning on March 25, 2021.

SEC source: 0000899243-21-013257 · doc4.xml · nonDerivative · entry 1

Stephenson Dave · CIK 0001834164 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 361,839

F1 · shares: Reflects an award of restricted stock units, which vest in sixteen equal quarterly installments beginning on May 25, 2021. Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.

SEC source: 0000899243-21-008724 · doc4.xml · nonDerivative · entry 1

Johnson Belinda J. · CIK 0001694150 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,254

F1 · shares: Represents restricted stock units of the Issuer that were settled in cash pursuant to the applicable award agreement. Not a market sale. The remaining shares of Class A Common Stock reported herein remain subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

SEC source: 0000899243-21-008722 · doc4.xml · nonDerivative · entry 1

Bernstein David C · CIK 0001288881 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,829

F1 · shares: These shares were withheld by the Issuer to satisfy the reporting person's tax withholding obligations. Not a market sale. The remaining shares of Class A Common Stock reported herein remain subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

SEC source: 0000899243-21-008730 · doc4.xml · nonDerivative · entry 1

MATHER ANN · CIK 0001244892 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,769

F1 · shares: Represents restricted stock units of the Issuer that were settled in cash pursuant to the applicable award agreement. Not a market sale. The remaining shares of Class A Common Stock reported herein remain subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

SEC source: 0000899243-21-008723 · doc4.xml · nonDerivative · entry 1

POWELL CATHERINE C · CIK 0001186045 · Global Head of Hosting

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,543

F1 · shares: These shares were withheld by the Issuer to satisfy the reporting person's tax withholding obligations. Not a market sale. The remaining shares of Class A Common Stock reported herein remain subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

SEC source: 0000899243-21-008715 · doc4.xml · nonDerivative · entry 1

BALOGH ARISTOTLE N · CIK 0001216924 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 358,696

F1 · shares: These shares were withheld by the Issuer to satisfy the reporting person's tax withholding obligations. Not a market sale. The remaining shares of Class A Common Stock reported herein remain subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

SEC source: 0000899243-21-008729 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,167

F1 · shares: These shares were withheld by the Issuer to satisfy the reporting person's tax withholding obligations. Not a market sale. The remaining shares of Class A Common Stock reported herein remain subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

SEC source: 0000899243-21-008719 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,184

F1 · shares: These shares were withheld by the Issuer to satisfy the reporting person's tax withholding obligations. Not a market sale. The remaining shares of Class A Common Stock reported herein remain subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

SEC source: 0000899243-21-008716 · doc4.xml · nonDerivative · entry 1

Stephenson Dave · CIK 0001834164 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 341,628

F1 · shares: These shares were withheld by the Issuer to satisfy the reporting person's tax withholding obligations. Not a market sale. The remaining shares of Class A Common Stock reported herein remain subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

SEC source: 0000899243-21-021628 · doc4.xml · derivative · entry 6

Chesky Brian · CIK 0001834152 · Director · CEO and Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By 2019 Trust

Disclosed balance after: 157,311

Underlying: Class A Common Stock · 157,311 shares

Expires not disclosed

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

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

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

SEC source: 0000899243-21-021628 · doc4.xml · derivative · entry 5

Chesky Brian · CIK 0001834152 · Director · CEO and Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By 2019 GRAT I

Disclosed balance after: 0

Underlying: Class A Common Stock · 157,311 shares

Expires not disclosed

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

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

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

F2 · balance_after: Reflects the transfer on February 16, 2021 of 89,375 shares of Class B common stock from the 2019 GRAT I and 31,558 shares of Class B common stock from the 2019 GRAT II, in each case to the reporting person in satisfaction of a GRAT annuity payment owed to the reporting person. The GRAT annuity payments and other transactions reflected on this Form were entered into in connection with the reporting person's long-term estate planning.

SEC source: 0000899243-21-006619 · doc5.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Ulderico LLC

Disclosed balance after: 92,400

Underlying: Class A Common Stock · 92,400 shares

Expires not disclosed

F1 · kind: Represents a bona fide gift of Class B Common Stock. Each donee is subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

F2 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0000899243-21-006619 · doc5.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sycamore Trust

Disclosed balance after: 60,972,421

Underlying: Class A Common Stock · 332,400 shares

Expires not disclosed

F1 · kind: Represents a bona fide gift of Class B Common Stock. Each donee is subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

F2 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0000899243-21-006623 · doc5.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 48,648,933

Underlying: Class A Common Stock · 80,600 shares

Expires not disclosed

F1 · kind: Represents a bona fide gift of Class B Common Stock. Each donee is subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

F2 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0000899243-21-006616 · doc5.xml · derivative · entry 2

Chesky Brian · CIK 0001834152 · Director · CEO and Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Legacy Trust

Disclosed balance after: 63,655

Underlying: Class A Common Stock · 63,655 shares

Expires not disclosed

F1 · kind: Represents a bona fide gift of Class B Common Stock. Each donee is subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

F2 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0000899243-21-006616 · doc5.xml · derivative · entry 1

Chesky Brian · CIK 0001834152 · Director · CEO and Chairman · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,155,902

Underlying: Class A Common Stock · 123,597 shares

Expires not disclosed

F1 · kind: Represents a bona fide gift of Class B Common Stock. Each donee is subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

F2 · derivative.exercise_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.

SEC source: 0001062993-20-006409 · form4.xml · derivative · entry 8

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,291,598 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006409 · form4.xml · derivative · entry 7

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 612,280 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006409 · form4.xml · derivative · entry 6

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 3,684,324 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006409 · form4.xml · derivative · entry 5

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 6,098,400 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006409 · form4.xml · derivative · entry 4

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 90,564 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006409 · form4.xml · derivative · entry 3

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 8,837,568 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006409 · form4.xml · derivative · entry 2

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 60,549,864 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006409 · form4.xml · derivative · entry 1

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 81,277,532

Underlying: Class A Common Stock · 81,164,598 shares

Expires not disclosed

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

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

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

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

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

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

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006408 · form4.xml · derivative · entry 8

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

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

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,291,598 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006408 · form4.xml · derivative · entry 7

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

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

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 612,280 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006408 · form4.xml · derivative · entry 6

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

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

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 3,684,324 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006408 · form4.xml · derivative · entry 5

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

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

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 6,098,400 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006408 · form4.xml · derivative · entry 4

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

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

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 90,564 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006408 · form4.xml · derivative · entry 3

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

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

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 8,837,568 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006408 · form4.xml · derivative · entry 2

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

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

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 60,549,864 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006408 · form4.xml · derivative · entry 1

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

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

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 81,277,532

Underlying: Class A Common Stock · 81,164,598 shares

Expires not disclosed

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

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

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

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

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

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

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006407 · form4.xml · derivative · entry 8

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,291,598 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006407 · form4.xml · derivative · entry 7

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 612,280 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006407 · form4.xml · derivative · entry 6

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 3,684,324 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006407 · form4.xml · derivative · entry 5

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 6,098,400 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006407 · form4.xml · derivative · entry 4

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 90,564 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006407 · form4.xml · derivative · entry 3

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 8,837,568 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006407 · form4.xml · derivative · entry 2

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class B Common Stock · 60,549,864 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.

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0001062993-20-006407 · form4.xml · derivative · entry 1

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

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

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

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

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

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

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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 81,277,532

Underlying: Class A Common Stock · 81,164,598 shares

Expires not disclosed

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

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

F2 · derivative.exercise_price: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

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

F2 · derivative.exercise_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

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

F2 · derivative.expiration_date: Each share of Preferred Stock, other than any share of Series C Preferred Stock, automatically converted on a one-for-one basis into Class B Common Stock upon the closing of the Issuers initial public offering. The Series C Preferred Stock automatically converted on a one-for-one basis, subject to adjustment pursuant to the anti-dilution provisions relating to the Series C Preferred Stock, into Class B Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: SC XII Management, LLC (SC XII LLC) is the general partner of each of Sequoia Capital XII, L.P. (SC XII) and Sequoia Technology Partners XII, L.P. (STP XII), and the managing member of Sequoia Capital XII Principals Fund, LLC (SC XII PF). As a result, SC XII LLC may be deemed to share voting and dispositive power with respect to the shares held by SC XII, SC XII PF, and STP XII. SC US (TTGP), Ltd. is: (i) the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. and Sequoia Capital USGF Principals Fund V, L.P. (collectively, the US GF V Funds), which together own 100% of the outstanding ordinary shares of SC US GF V Holdings, Ltd. (US GF V Holdco);

F4 · ownership.nature: (cont'd) (ii) the general partner of SC U.S. Growth VII Management, L.P., which is the general partner of each of US GF VII and US GF VII PF (collectively, the SC US GF VII Funds); (iii) the general partner of SCGGF Management, L.P., which is the general partner of each of Sequoia Capital Global Growth Fund, L.P. (GGF) and Sequoia Capital Global Growth Principals Fund, L.P. (GGF PF) (collectively, the SC GGF Funds); and (iv) the general partner of SC Global Growth II Management, L.P., which is the general partner of each of GGF II and GGF II PF (collectively, the SC GGF II Funds).

F5 · ownership.nature: (cont'd) As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by US GF V Holdco, the SC US GF VII Funds, the SC GGF Funds and the SC GGF II Funds. In addition, the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF Funds are Douglas M. Leone and James J. Goetz, and the directors and stockholders of SC US (TTGP), Ltd. who exercise voting and investment discretion with respect to the SC GGF II Funds are Douglas M. Leone and Roelof F. Botha. As a result, and by virtue of the relationships described in this paragraph, each such person may be deemed to share voting and dispositive power with respect to the shares held by the SC GGF Funds or SC GGF II Funds, as applicable.

F6 · ownership.nature: (cont'd) Each of SC US (TTGP), Ltd., SCGF V Management, L.P., SC U.S. Growth VII Management, L.P., SCGGF Management, L.P., SC Global Growth II Management, L.P., Mr. Leone, Mr. Botha and Mr. Goetz disclaims beneficial ownership of the shares held by US GF V Holdco, the GFVII Funds, the GGF Funds, and GGF II Funds, except to the extent of its or his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes. SC XII Management, LLC disclaims beneficial ownership of the shares held by the XII Funds, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F7 · ownership.nature: Following the transactions reported herein, includes 60,716,820 shares of Class B Common Stock held by SC XII, 6,489,252 shares of Class B Common Stock held by SC XII PF, 2,271,924 shares of Class B Common Stock held by STP XII, 6,098,400 shares of Class B Common Stock held by US GF V Holdco, 4,285,190 shares of Class B Common Stock held by GGF, 124,348 shares of Class B Common Stock held by GGF PF, 1,073,834 shares of Class B Common Stock held by GGF II, 13,262 shares of Class B Common Stock held by GGF II PF, 192,006 shares of Class B Common Stock held by US GF VII and 12,496 shares of Class B Common Stock held by US GF VII PF.

SEC source: 0000899243-20-034160 · doc4.xml · derivative · entry 8

JORDAN JEFFREY D · CIK 0001209185 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund II, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 722,686 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.

F7 · derivative.exercise_price: The Series C Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on approximately a 1:1.0379 basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F7 · derivative.exercise_date: The Series C Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on approximately a 1:1.0379 basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F7 · derivative.expiration_date: The Series C Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on approximately a 1:1.0379 basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: Mr. Jordan is a member of the general partners of the Andreessen Horowitz Entities (as defined herein), but he disclaims the existence of a "group" and disclaims beneficial ownership of the shares held by the Andreessen Horowitz Entities and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any, in such shares by virtue of his interest in the Andreessen Horowitz Entities, and/or the general partner entities thereof, as applicable.

F4 · ownership.nature: These shares are held of record by Andreessen Horowitz Fund II, L.P., for itself and as nominee for Andreessen Horowitz Fund II-A, L.P., Andreessen Horowitz Fund II-B, L.P. and Andreessen Horowitz Fund II-Q, L.P. (the "AH Fund II Entities"). AH EP II is the general partner of the AH Fund II Entities and has sole voting and dispositive power with regard to the shares held by the AH Fund II Entities. The managing members of AH EP II are Marc Andreessen and Benjamin Horowitz. Marc Andreessen and Benjamin Horowitz share voting and dispositive power with respect to the shares held by the AH Fund II Entities.

SEC source: 0000899243-20-034160 · doc4.xml · derivative · entry 7

JORDAN JEFFREY D · CIK 0001209185 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 235,848 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.

F7 · derivative.exercise_price: The Series C Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on approximately a 1:1.0379 basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F7 · derivative.exercise_date: The Series C Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on approximately a 1:1.0379 basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F7 · derivative.expiration_date: The Series C Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on approximately a 1:1.0379 basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: Mr. Jordan is a member of the general partners of the Andreessen Horowitz Entities (as defined herein), but he disclaims the existence of a "group" and disclaims beneficial ownership of the shares held by the Andreessen Horowitz Entities and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any, in such shares by virtue of his interest in the Andreessen Horowitz Entities, and/or the general partner entities thereof, as applicable.

F5 · ownership.nature: These shares are held of record by AH Parallel Fund, L.P. ("AH Parallel Fund" and together with AH Annex Fund and the AH Fund II Entities, the "Andreessen Horowitz Entities"). AH EP II is the general partner of AH Parallel Fund and has sole voting and dispositive power with regard to the shares held by AH Parallel Fund. The managing members of AH EP II are Marc Andreessen and Benjamin Horowitz. Marc Andreessen and Benjamin Horowitz share voting and dispositive power with respect to the shares held by AH Parallel Fund.

SEC source: 0000899243-20-034160 · doc4.xml · derivative · entry 6

JORDAN JEFFREY D · CIK 0001209185 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Annex Fund, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 631,374 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.

F7 · derivative.exercise_price: The Series C Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on approximately a 1:1.0379 basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F7 · derivative.exercise_date: The Series C Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on approximately a 1:1.0379 basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F7 · derivative.expiration_date: The Series C Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on approximately a 1:1.0379 basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: Mr. Jordan is a member of the general partners of the Andreessen Horowitz Entities (as defined herein), but he disclaims the existence of a "group" and disclaims beneficial ownership of the shares held by the Andreessen Horowitz Entities and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any, in such shares by virtue of his interest in the Andreessen Horowitz Entities, and/or the general partner entities thereof, as applicable.

F3 · ownership.nature: These shares are held of record by AH Annex Fund, L.P. ("AH Annex Fund"). AH Equity Partners II, L.L.C. ("AH EP II") is the general partner of AH Annex Fund and has sole voting and dispositive power with regard to the shares held by AH Annex Fund. The managing members of AH EP II are Marc Andreessen and Benjamin Horowitz. Marc Andreessen and Benjamin Horowitz share voting and dispositive power with respect to the shares held by AH Annex Fund.

SEC source: 0000899243-20-034160 · doc4.xml · derivative · entry 5

JORDAN JEFFREY D · CIK 0001209185 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund II, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 9,056,832 shares

Expires not disclosed

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

F6 · derivative.exercise_price: The Series B Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on a one-to-one basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.exercise_date: The Series B Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on a one-to-one basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.expiration_date: The Series B Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on a one-to-one basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: Mr. Jordan is a member of the general partners of the Andreessen Horowitz Entities (as defined herein), but he disclaims the existence of a "group" and disclaims beneficial ownership of the shares held by the Andreessen Horowitz Entities and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any, in such shares by virtue of his interest in the Andreessen Horowitz Entities, and/or the general partner entities thereof, as applicable.

F4 · ownership.nature: These shares are held of record by Andreessen Horowitz Fund II, L.P., for itself and as nominee for Andreessen Horowitz Fund II-A, L.P., Andreessen Horowitz Fund II-B, L.P. and Andreessen Horowitz Fund II-Q, L.P. (the "AH Fund II Entities"). AH EP II is the general partner of the AH Fund II Entities and has sole voting and dispositive power with regard to the shares held by the AH Fund II Entities. The managing members of AH EP II are Marc Andreessen and Benjamin Horowitz. Marc Andreessen and Benjamin Horowitz share voting and dispositive power with respect to the shares held by the AH Fund II Entities.

SEC source: 0000899243-20-034160 · doc4.xml · derivative · entry 4

JORDAN JEFFREY D · CIK 0001209185 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Annex Fund, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 9,056,832 shares

Expires not disclosed

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

F6 · derivative.exercise_price: The Series B Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on a one-to-one basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.exercise_date: The Series B Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on a one-to-one basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F6 · derivative.expiration_date: The Series B Preferred Stock automatically converted into shares of the Issuer's Class B Common Stock on a one-to-one basis immediately upon closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: Mr. Jordan is a member of the general partners of the Andreessen Horowitz Entities (as defined herein), but he disclaims the existence of a "group" and disclaims beneficial ownership of the shares held by the Andreessen Horowitz Entities and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any, in such shares by virtue of his interest in the Andreessen Horowitz Entities, and/or the general partner entities thereof, as applicable.

F3 · ownership.nature: These shares are held of record by AH Annex Fund, L.P. ("AH Annex Fund"). AH Equity Partners II, L.L.C. ("AH EP II") is the general partner of AH Annex Fund and has sole voting and dispositive power with regard to the shares held by AH Annex Fund. The managing members of AH EP II are Marc Andreessen and Benjamin Horowitz. Marc Andreessen and Benjamin Horowitz share voting and dispositive power with respect to the shares held by AH Annex Fund.

SEC source: 0000899243-20-034160 · doc4.xml · derivative · entry 3

JORDAN JEFFREY D · CIK 0001209185 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund, L.P.

Disclosed balance after: 235,848

Underlying: Class A Common Stock · 235,848 shares

Expires not disclosed

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

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

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

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

F2 · ownership.nature: Mr. Jordan is a member of the general partners of the Andreessen Horowitz Entities (as defined herein), but he disclaims the existence of a "group" and disclaims beneficial ownership of the shares held by the Andreessen Horowitz Entities and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any, in such shares by virtue of his interest in the Andreessen Horowitz Entities, and/or the general partner entities thereof, as applicable.

F5 · ownership.nature: These shares are held of record by AH Parallel Fund, L.P. ("AH Parallel Fund" and together with AH Annex Fund and the AH Fund II Entities, the "Andreessen Horowitz Entities"). AH EP II is the general partner of AH Parallel Fund and has sole voting and dispositive power with regard to the shares held by AH Parallel Fund. The managing members of AH EP II are Marc Andreessen and Benjamin Horowitz. Marc Andreessen and Benjamin Horowitz share voting and dispositive power with respect to the shares held by AH Parallel Fund.

SEC source: 0000899243-20-034160 · doc4.xml · derivative · entry 2

JORDAN JEFFREY D · CIK 0001209185 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund II, L.P.

Disclosed balance after: 9,779,518

Underlying: Class A Common Stock · 9,779,518 shares

Expires not disclosed

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

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

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

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

F2 · ownership.nature: Mr. Jordan is a member of the general partners of the Andreessen Horowitz Entities (as defined herein), but he disclaims the existence of a "group" and disclaims beneficial ownership of the shares held by the Andreessen Horowitz Entities and this report shall not be deemed an admission that he is the beneficial owner of such shares, except to the extent of his pecuniary interest, if any, in such shares by virtue of his interest in the Andreessen Horowitz Entities, and/or the general partner entities thereof, as applicable.

F4 · ownership.nature: These shares are held of record by Andreessen Horowitz Fund II, L.P., for itself and as nominee for Andreessen Horowitz Fund II-A, L.P., Andreessen Horowitz Fund II-B, L.P. and Andreessen Horowitz Fund II-Q, L.P. (the "AH Fund II Entities"). AH EP II is the general partner of the AH Fund II Entities and has sole voting and dispositive power with regard to the shares held by the AH Fund II Entities. The managing members of AH EP II are Marc Andreessen and Benjamin Horowitz. Marc Andreessen and Benjamin Horowitz share voting and dispositive power with respect to the shares held by the AH Fund II Entities.