SC US GF V Holdings, Ltd.

SEC source: 0001062993-21-010145 · form4.xml · nonDerivative · entry 5

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

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 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

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

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Principals Fund, LP

Disclosed balance after: 0

F1 · kind: Pursuant to the Agreement and Plan of Merger between the Issuer, Project Metal Parent, LLC and Project Metal Merger Sub, Inc. dated July 25, 2021, each share of issued and outstanding Issuer common stock was cancelled and converted into the right to receive $34.00 in cash.

F1 · price: Pursuant to the Agreement and Plan of Merger between the Issuer, Project Metal Parent, LLC and Project Metal Merger Sub, Inc. dated July 25, 2021, each share of issued and outstanding Issuer common stock was cancelled and converted into the right to receive $34.00 in cash.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGGF Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. As a result, SC US (TTGP), Ltd. and SCGGF Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. Voting and disposition decisions at SC US (TTGP), Ltd. with respect to the shares held by the SC GGF Funds are made by an investment committee consisting of Messrs. Douglas Leone and James J. Goetz. Each of SC US (TTGP), Ltd., SCGGF Management, L.P., Mr. Leone and Mr. Goetz disclaims beneficial ownership of the securities held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP except to the extent of its pecuniary interest therein,

F5 · ownership.nature: (Continued from footnote 5) and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001062993-21-010145 · form4.xml · nonDerivative · entry 4

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

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 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

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

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund, LP

Disclosed balance after: 0

F1 · kind: Pursuant to the Agreement and Plan of Merger between the Issuer, Project Metal Parent, LLC and Project Metal Merger Sub, Inc. dated July 25, 2021, each share of issued and outstanding Issuer common stock was cancelled and converted into the right to receive $34.00 in cash.

F1 · price: Pursuant to the Agreement and Plan of Merger between the Issuer, Project Metal Parent, LLC and Project Metal Merger Sub, Inc. dated July 25, 2021, each share of issued and outstanding Issuer common stock was cancelled and converted into the right to receive $34.00 in cash.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGGF Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. As a result, SC US (TTGP), Ltd. and SCGGF Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. Voting and disposition decisions at SC US (TTGP), Ltd. with respect to the shares held by the SC GGF Funds are made by an investment committee consisting of Messrs. Douglas Leone and James J. Goetz. Each of SC US (TTGP), Ltd., SCGGF Management, L.P., Mr. Leone and Mr. Goetz disclaims beneficial ownership of the securities held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP except to the extent of its pecuniary interest therein,

F5 · ownership.nature: (Continued from footnote 5) and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001062993-21-010145 · form4.xml · nonDerivative · entry 3

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

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 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

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

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

F1 · kind: Pursuant to the Agreement and Plan of Merger between the Issuer, Project Metal Parent, LLC and Project Metal Merger Sub, Inc. dated July 25, 2021, each share of issued and outstanding Issuer common stock was cancelled and converted into the right to receive $34.00 in cash.

F1 · price: Pursuant to the Agreement and Plan of Merger between the Issuer, Project Metal Parent, LLC and Project Metal Merger Sub, Inc. dated July 25, 2021, each share of issued and outstanding Issuer common stock was cancelled and converted into the right to receive $34.00 in cash.

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. Each of SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001062993-21-010145 · form4.xml · nonDerivative · entry 2

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

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 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

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

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

F1 · kind: Pursuant to the Agreement and Plan of Merger between the Issuer, Project Metal Parent, LLC and Project Metal Merger Sub, Inc. dated July 25, 2021, each share of issued and outstanding Issuer common stock was cancelled and converted into the right to receive $34.00 in cash.

F1 · price: Pursuant to the Agreement and Plan of Merger between the Issuer, Project Metal Parent, LLC and Project Metal Merger Sub, Inc. dated July 25, 2021, each share of issued and outstanding Issuer common stock was cancelled and converted into the right to receive $34.00 in cash.

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. Each of SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001062993-21-010145 · form4.xml · nonDerivative · entry 1

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

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 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

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

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd.

Disclosed balance after: 0

F1 · kind: Pursuant to the Agreement and Plan of Merger between the Issuer, Project Metal Parent, LLC and Project Metal Merger Sub, Inc. dated July 25, 2021, each share of issued and outstanding Issuer common stock was cancelled and converted into the right to receive $34.00 in cash.

F1 · price: Pursuant to the Agreement and Plan of Merger between the Issuer, Project Metal Parent, LLC and Project Metal Merger Sub, Inc. dated July 25, 2021, each share of issued and outstanding Issuer common stock was cancelled and converted into the right to receive $34.00 in cash.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP and Sequoia Capital USGF Principals Fund V, L.P., or collectively, the SC US GF V Funds, which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by SC US GF V Holdings, Ltd. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by SC US GF V Holdings, Ltd. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001062993-21-011525 · form4.xml · nonDerivative · entry 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: 1,064,607

F1 · kind: These shares were received as part of a pro rata distribution-in-kind of Class A Common Stock of the Issuer to the limited partners of an investment fund in the following amount: 502,758 shares distributed to Sequoia Capital Global Growth Fund II, L.P. ("GGF II"), 7,746 shares distributed to Sequoia Capital Global Growth II Principals Fund, L.P. ("GGF II PF").

F1 · shares: These shares were received as part of a pro rata distribution-in-kind of Class A Common Stock of the Issuer to the limited partners of an investment fund in the following amount: 502,758 shares distributed to Sequoia Capital Global Growth Fund II, L.P. ("GGF II"), 7,746 shares distributed to Sequoia Capital Global Growth II Principals Fund, L.P. ("GGF II PF").

F2 · balance_after: Includes shares of Class A Common Stock in the following amounts: 7,386 shares held by Sequoia Capital U.S. Venture 2010-Seed Fund, L.P. ("USV 2010-seed"), 963,696 shares held by GGF II, 14,848 shares held by GGF II PF, 71,987 shares held by Sequoia Capital U.S. Growth Fund VII, L.P. ("US GF VII") and 6,690 shares held by Sequoia Capital U.S. Growth VII Principals Fund, L.P. ("US GF VII PF").

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

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

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

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

SEC source: 0001062993-21-005273 · 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 · By Sequoia Grove II, LLC

Disclosed balance after: 895,163

Underlying: Class A Common Stock · 895,163 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents a distribution of Class B Common Stock of the Issuer to partners or members in the following amounts: 1,697,792 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 715,574 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 18,042,914 shares from Sequoia Capital XII, L.P. ("SC XII"), 213,022 shares from GGF II and 57,573 shares from US GF VII.

F3 · kind: Represents a distribution of Class B Common Stock of the Issuer to partners or members in the following amounts: 1,697,792 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 715,574 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 18,042,914 shares from Sequoia Capital XII, L.P. ("SC XII"), 213,022 shares from GGF II and 57,573 shares from US GF VII.

F3 · price: Represents a distribution of Class B Common Stock of the Issuer to partners or members in the following amounts: 1,697,792 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 715,574 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 18,042,914 shares from Sequoia Capital XII, L.P. ("SC XII"), 213,022 shares from GGF II and 57,573 shares from US GF VII.

F3 · derivative.exercise_date: Represents a distribution of Class B Common Stock of the Issuer to partners or members in the following amounts: 1,697,792 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 715,574 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 18,042,914 shares from Sequoia Capital XII, L.P. ("SC XII"), 213,022 shares from GGF II and 57,573 shares from US GF VII.

F3 · derivative.expiration_date: Represents a distribution of Class B Common Stock of the Issuer to partners or members in the following amounts: 1,697,792 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 715,574 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 18,042,914 shares from Sequoia Capital XII, L.P. ("SC XII"), 213,022 shares from GGF II and 57,573 shares from US GF VII.

F9 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001062993-21-005273 · 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: 60,550,657

Underlying: Class A Common Stock · 20,726,875 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents a distribution of Class B Common Stock of the Issuer to partners or members in the following amounts: 1,697,792 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 715,574 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 18,042,914 shares from Sequoia Capital XII, L.P. ("SC XII"), 213,022 shares from GGF II and 57,573 shares from US GF VII.

F3 · kind: Represents a distribution of Class B Common Stock of the Issuer to partners or members in the following amounts: 1,697,792 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 715,574 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 18,042,914 shares from Sequoia Capital XII, L.P. ("SC XII"), 213,022 shares from GGF II and 57,573 shares from US GF VII.

F3 · price: Represents a distribution of Class B Common Stock of the Issuer to partners or members in the following amounts: 1,697,792 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 715,574 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 18,042,914 shares from Sequoia Capital XII, L.P. ("SC XII"), 213,022 shares from GGF II and 57,573 shares from US GF VII.

F3 · derivative.exercise_date: Represents a distribution of Class B Common Stock of the Issuer to partners or members in the following amounts: 1,697,792 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 715,574 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 18,042,914 shares from Sequoia Capital XII, L.P. ("SC XII"), 213,022 shares from GGF II and 57,573 shares from US GF VII.

F3 · derivative.expiration_date: Represents a distribution of Class B Common Stock of the Issuer to partners or members in the following amounts: 1,697,792 shares from SC US GF V Holdings, Ltd. ("US GF V Holdco"), 715,574 shares from Sequoia Capital Global Growth Fund, LP ("GGF"), 18,042,914 shares from Sequoia Capital XII, L.P. ("SC XII"), 213,022 shares from GGF II and 57,573 shares from US GF VII.

F4 · balance_after: Includes shares of Class B Common Stock in the following amounts: 4,400,608 shares held by US GF V Holdco, 3,569,616 shares held by GGF, 124,348 shares held by Sequoia Capital Global Growth Principals Fund, LP ("GGF PF"), 42,673,906 shares held by SC XII, 6,489,252 shares held by Sequoia Capital XII Principals Fund, LLC ("SC XII PF"), 2,271,924 shares held by Sequoia Technology Partners XII, L.P. ("STP XII"), 860,812 shares held by GGF II, 13,262 shares held by GGF II PF, 134,433 shares held by US GF VII and 12,496 shares held by USGF VII PF.

F5 · 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);

F6 · 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).

F7 · 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.

F8 · 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.

SEC source: 0001062993-21-005273 · form4.xml · nonDerivative · entry 2

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

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

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

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

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

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

LEONE DOUGLAS M · CIK 0001195580 · 10% owner

BOTHA ROELOF · CIK 0001222287 · 10% owner

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Grove II, LLC

Disclosed balance after: 36,224

F1 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 114,066 shares from Sequoia Capital Global Growth Fund II, L.P. ("GGF II") and 30,829 shares from Sequoia Capital U.S. Growth Fund VII, L.P. ("US GF VII").

F1 · price: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 114,066 shares from Sequoia Capital Global Growth Fund II, L.P. ("GGF II") and 30,829 shares from Sequoia Capital U.S. Growth Fund VII, L.P. ("US GF VII").

F9 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001062993-21-005273 · form4.xml · nonDerivative · 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: 546,717

F1 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 114,066 shares from Sequoia Capital Global Growth Fund II, L.P. ("GGF II") and 30,829 shares from Sequoia Capital U.S. Growth Fund VII, L.P. ("US GF VII").

F1 · price: Represents a distribution of Class A Common Stock of the Issuer to partners or members in the following amounts: 114,066 shares from Sequoia Capital Global Growth Fund II, L.P. ("GGF II") and 30,829 shares from Sequoia Capital U.S. Growth Fund VII, L.P. ("US GF VII").

F2 · balance_after: Includes shares of Class A Common Stock in the following amounts: 460,938 shares held by GGF II, 7,102 shares held by Sequoia Capital Global Growth II Principals Fund, L.P. ("GGF II PF"), 71,987 shares held by US GF VII and 6,690 shares held by Sequoia Capital U.S. Growth VII Principals Fund, L.P. ("US GF VII PF").

F5 · 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);

F6 · 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).

F7 · 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.

F8 · 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.

SEC source: 0001062993-21-005257 · form4.xml · nonDerivative · entry 4

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

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 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

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

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Grove II, LLC

Disclosed balance after: 3,621,345

F1 · kind: Represents a distribution of Common Stock of the Issuer to partners or members.

F1 · price: Represents a distribution of Common Stock of the Issuer to partners or members.

F7 · ownership.nature: Sequoia Grove Manager, LLC is the manager of Sequoia Grove II, LLC. As a result, Sequoia Grove Manager, LLC may be deemed to share beneficial ownership with respect to the shares held by Sequoia Grove II, LLC. Each of Sequoia Grove Manager, LLC and Sequoia Grove II, LLC disclaims beneficial ownership of the shares held by Sequoia Grove II, LLC except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001062993-21-005257 · form4.xml · nonDerivative · entry 3

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

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 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

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

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Sequoia Capital Global Growth Fund, LP

Disclosed balance after: 6,982,507

F1 · kind: Represents a distribution of Common Stock of the Issuer to partners or members.

F1 · price: Represents a distribution of Common Stock of the Issuer to partners or members.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGGF Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. As a result, SC US (TTGP), Ltd. and SCGGF Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. Voting and disposition decisions at SC US (TTGP), Ltd. with respect to the shares held by the SC GGF Funds are made by an investment committee consisting of Messrs. Douglas Leone and James J. Goetz. Each of SC US (TTGP), Ltd., SCGGF Management, L.P., Mr. Leone and Mr. Goetz disclaims beneficial ownership of the securities held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP except to the extent of its pecuniary interest therein,

F5 · ownership.nature: (Continued from footnote 5) and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001062993-21-005257 · form4.xml · nonDerivative · entry 2

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

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 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

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

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 6,801,123

F1 · kind: Represents a distribution of Common Stock of the Issuer to partners or members.

F1 · price: Represents a distribution of Common Stock of the Issuer to partners or members.

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SC U.S. Growth VI Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. As a result, SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. Each of SC US (TTGP), Ltd. and SC U.S. Growth VI Management, L.P. disclaims beneficial ownership of the securities held by Sequoia Capital U.S. Growth Fund VI, L.P. and Sequoia Capital U.S. Growth VI Principals Fund, L.P. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001062993-21-005257 · form4.xml · nonDerivative · entry 1

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

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 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

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

GOETZ JAMES J · CIK 0001219231 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd.

Disclosed balance after: 18,203,774

F1 · kind: Represents a distribution of Common Stock of the Issuer to partners or members.

F1 · price: Represents a distribution of Common Stock of the Issuer to partners or members.

F2 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP and Sequoia Capital USGF Principals Fund V, L.P., or collectively, the SC US GF V Funds, which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd. As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by SC US GF V Holdings, Ltd. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the securities held by SC US GF V Holdings, Ltd. except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001062993-20-006408 · 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: 0000899243-20-006392 · doc4.xml · nonDerivative · entry 6

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd.

Disclosed balance after: 848,776

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

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-006392 · doc4.xml · nonDerivative · entry 4

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 2,658,909

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

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

SEC source: 0000899243-20-006392 · doc4.xml · nonDerivative · entry 2

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 110,182

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

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

SEC source: 0000899243-20-006392 · doc4.xml · nonDerivative · entry 5

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd.

Disclosed balance after: 1,005,099

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

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-006392 · doc4.xml · nonDerivative · entry 3

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 3,102,060

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

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

SEC source: 0000899243-20-006392 · doc4.xml · nonDerivative · entry 1

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 128,546

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

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

SEC source: 0000899243-20-004383 · doc4.xml · nonDerivative · entry 3

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd.

Disclosed balance after: 1,161,422

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

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-004383 · doc4.xml · nonDerivative · entry 2

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 3,545,211

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

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

SEC source: 0000899243-20-004383 · doc4.xml · nonDerivative · entry 1

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 146,910

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

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

SEC source: 0000899243-20-002318 · doc4.xml · nonDerivative · entry 3

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd.

Disclosed balance after: 1,317,745

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

F3 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-20-002318 · doc4.xml · nonDerivative · entry 2

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 3,988,362

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

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

SEC source: 0000899243-20-002318 · doc4.xml · nonDerivative · entry 1

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 165,274

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

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

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 15

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 9,088 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.

F8 · derivative.exercise_price: Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F8 · deemedExecutionDate: Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F8 · derivative.exercise_date: Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F8 · derivative.expiration_date: Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F5 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 14

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 26,831 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.

F8 · derivative.exercise_price: Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F8 · deemedExecutionDate: Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F8 · derivative.exercise_date: Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F8 · derivative.expiration_date: Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

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

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 13

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 20,381 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: Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F7 · deemedExecutionDate: Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F7 · derivative.exercise_date: Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F7 · derivative.expiration_date: Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F5 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 12

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 60,463 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: Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F7 · deemedExecutionDate: Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F7 · derivative.exercise_date: Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F7 · derivative.expiration_date: Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

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

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 11

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 59,693 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: Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F6 · deemedExecutionDate: Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F6 · derivative.exercise_date: Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F6 · derivative.expiration_date: Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F5 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 10

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 176,222 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: Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F6 · deemedExecutionDate: Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F6 · derivative.exercise_date: Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F6 · derivative.expiration_date: Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

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

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 9

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd.

Disclosed balance after: 0

Underlying: Common Stock · 1,474,068 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.

F4 · derivative.exercise_price: Each share of Series C Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date..

F4 · deemedExecutionDate: Each share of Series C Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date..

F4 · derivative.exercise_date: Each share of Series C Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date..

F4 · derivative.expiration_date: Each share of Series C Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date..

F5 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 8

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 32,246 shares

Expires not disclosed

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

F3 · derivative.exercise_price: Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F3 · deemedExecutionDate: Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F3 · derivative.exercise_date: Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F3 · derivative.expiration_date: Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

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

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 7

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 731,890 shares

Expires not disclosed

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

F3 · derivative.exercise_price: Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F3 · deemedExecutionDate: Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F3 · derivative.exercise_date: Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F3 · derivative.expiration_date: Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

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

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 6

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 151,392 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: Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F1 · deemedExecutionDate: Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

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

SEC source: 0000899243-19-020546 · doc4.xml · derivative · entry 5

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 3,436,107 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: Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F1 · deemedExecutionDate: Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

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

SEC source: 0000899243-19-020546 · doc4.xml · nonDerivative · entry 4

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 89,162

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 · security: Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F7 · security: Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F8 · security: Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F5 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020546 · doc4.xml · nonDerivative · entry 3

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · SC US GF V Holdings, Ltd.

Disclosed balance after: 1,474,068

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.

F4 · security: Each share of Series C Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date..

F5 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGF V Management, L.P., which is the general partner of Sequoia Capital U.S. Growth Fund V, LP ("SC USGF V") and Sequoia Capital USGF Principals Fund V, L.P. (together, the "SC USGF V Funds"), which together own 100% of the outstanding shares of SC US GF V Holdings, Ltd ("SC USGF V Holdco"). As a result, SC US (TTGP), Ltd. and SCGF V Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by the SC USGF V Funds and SC USGF V Holdco. Each of SC US (TTGP), Ltd. and SCGF V Management, L.P. disclaims beneficial ownership of the shares held by the SC USGF V Funds and SC USGF V Holdco, except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-19-020546 · doc4.xml · nonDerivative · entry 2

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 4,431,513

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

F1 · security: Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F3 · security: Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

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

SEC source: 0000899243-19-020546 · doc4.xml · nonDerivative · entry 1

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

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

SCGF IV MANAGEMENT LP · CIK 0001447940 · 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

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

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

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

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 183,638

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

F1 · security: Each share of Series A Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F3 · security: Each share of Series B Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F6 · security: Each share of Series D Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F7 · security: Each share of Series E Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

F8 · security: Each share of Series F Preferred Stock automatically converted to common stock immediately prior to the closing of the Issuer's initial public offering on a one-for-one basis, and had no expiration date.

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

SEC source: 0000899243-19-020416 · doc4.xml · derivative · entry 26

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

SC U.S. GROWTH VI MANAGEMENT, L.P. · CIK 0001611388 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH FUND VI, L.P. · CIK 0001600143 · 10% owner

SEQUOIA CAPITAL U.S. GROWTH VI PRINCIPALS FUND, L.P. · CIK 0001603938 · 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

SC US GF V Holdings, Ltd. · CIK 0001552461 · 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 · Sequoia Capital Global Growth Principals Fund, LP

Disclosed balance after: 0

Underlying: Class A Common Stock · 253,230 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: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · deemedExecutionDate: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.exercise_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F7 · derivative.expiration_date: Prior to the closing of the Issuer's initial public offering, each series of the Issuer's convertible preferred stock automatically converted into Class A Common Stock on a 1:1 basis.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Common Stock and following the conversion of each series of the Issuer's Convertible Preferred Stock and the Issuer's Class B Common Stock into Class A Common Stock, each share of Class A Common Stock was reclassified into one share of Common Stock.

F4 · ownership.nature: SC US (TTGP), Ltd. is the general partner of SCGGF Management, L.P., which is the general partner of Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. As a result, SC US (TTGP), Ltd. and SCGGF Management, L.P. may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP. Voting and disposition decisions at SC US (TTGP), Ltd. with respect to the shares held by the SC GGF Funds are made by an investment committee consisting of Messrs. Douglas Leone and James J. Goetz. Each of SC US (TTGP), Ltd., SCGGF Management, L.P., Mr. Leone and Mr. Goetz disclaims beneficial ownership of the securities held by Sequoia Capital Global Growth Fund, LP and Sequoia Capital Global Growth Principals Fund, LP except to the extent of its pecuniary interest therein,

F5 · ownership.nature: (Continued from footnote 5) 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.