GH

SEC source: 0001628280-18-012467 · wf-form4_153927853046265.xml · nonDerivative · entry 4

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

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

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

SEQUOIA CAPITAL SCOUT FUND II, L.L.C. · CIK 0001611358 · 10% owner

Sandscape, LLC · CIK 0001744933 · 10% owner

SC U.S. VENTURE XIV MANAGEMENT, L.P. · CIK 0001611397 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XIV, L.P. · CIK 0001556027 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XIV, L.P. · CIK 0001556219 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XIV (Q), L.P. · CIK 0001561342 · 10% owner

SEQUOIA CAPITAL USV XIV HOLDCO, LTD. · CIK 0001611394 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 233,832

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

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F3 · ownership.nature: The shares are directly held by Sequoia Capital USV XIV Holdco, Ltd., or SC USV XIV Holdco. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture Fund XIV, L.P., Sequoia Capital U.S. Venture Partners Fund XIV, L.P. and Sequoia Capital U.S. Venture Partners Fund XIV (Q), L.P., or collectively, the SC USV XIV Funds. The SC USV XIV Funds together own 100% of the outstanding ordinary shares of SC USV XIV Holdco. As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or 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: 0001628280-18-012467 · wf-form4_153927853046265.xml · nonDerivative · entry 3

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

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

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

SEQUOIA CAPITAL SCOUT FUND II, L.L.C. · CIK 0001611358 · 10% owner

Sandscape, LLC · CIK 0001744933 · 10% owner

SC U.S. VENTURE XIV MANAGEMENT, L.P. · CIK 0001611397 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XIV, L.P. · CIK 0001556027 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XIV, L.P. · CIK 0001556219 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XIV (Q), L.P. · CIK 0001561342 · 10% owner

SEQUOIA CAPITAL USV XIV HOLDCO, LTD. · CIK 0001611394 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,402,994

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

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F3 · ownership.nature: The shares are directly held by Sequoia Capital USV XIV Holdco, Ltd., or SC USV XIV Holdco. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture Fund XIV, L.P., Sequoia Capital U.S. Venture Partners Fund XIV, L.P. and Sequoia Capital U.S. Venture Partners Fund XIV (Q), L.P., or collectively, the SC USV XIV Funds. The SC USV XIV Funds together own 100% of the outstanding ordinary shares of SC USV XIV Holdco. As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or 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: 0001628280-18-012467 · wf-form4_153927853046265.xml · nonDerivative · entry 2

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

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

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

SEQUOIA CAPITAL SCOUT FUND II, L.L.C. · CIK 0001611358 · 10% owner

Sandscape, LLC · CIK 0001744933 · 10% owner

SC U.S. VENTURE XIV MANAGEMENT, L.P. · CIK 0001611397 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XIV, L.P. · CIK 0001556027 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XIV, L.P. · CIK 0001556219 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XIV (Q), L.P. · CIK 0001561342 · 10% owner

SEQUOIA CAPITAL USV XIV HOLDCO, LTD. · CIK 0001611394 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 5,564,701

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

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F3 · ownership.nature: The shares are directly held by Sequoia Capital USV XIV Holdco, Ltd., or SC USV XIV Holdco. SC US (TTGP), Ltd. is the general partner of SC U.S. Venture XIV Management, L.P., which is the general partner of each of Sequoia Capital U.S. Venture Fund XIV, L.P., Sequoia Capital U.S. Venture Partners Fund XIV, L.P. and Sequoia Capital U.S. Venture Partners Fund XIV (Q), L.P., or collectively, the SC USV XIV Funds. The SC USV XIV Funds together own 100% of the outstanding ordinary shares of SC USV XIV Holdco. As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by SC USV XIV Holdco. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or 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: 0001628280-18-012467 · wf-form4_153927853046265.xml · nonDerivative · entry 1

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

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

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

SEQUOIA CAPITAL SCOUT FUND II, L.L.C. · CIK 0001611358 · 10% owner

Sandscape, LLC · CIK 0001744933 · 10% owner

SC U.S. VENTURE XIV MANAGEMENT, L.P. · CIK 0001611397 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE FUND XIV, L.P. · CIK 0001556027 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XIV, L.P. · CIK 0001556219 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE PARTNERS FUND XIV (Q), L.P. · CIK 0001561342 · 10% owner

SEQUOIA CAPITAL USV XIV HOLDCO, LTD. · CIK 0001611394 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sandscape, LLC

Disclosed balance after: 13,264

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

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F2 · ownership.nature: The shares are directly held by Sandscape, LLC. SC US (TTGP), Ltd. is the general partner of SC US Venture 2010 Management, L.P., which is the general partner of Sequoia Capital U.S. Venture 2010-Seed Fund, L.P., which is the managing member of Sequoia Capital Scout Fund II, L.L.C., which is the managing member of Sandscape, LLC. As a result, SC US (TTGP), Ltd. may be deemed to share voting and dispositive power with respect to the shares held by Sandscape, LLC. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or 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: 0001628280-18-012481 · wf-form4_153928966379408.xml · derivative · entry 7

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: COMMON STOCK · 87,753 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 shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · derivative.exercise_date: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · derivative.expiration_date: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

SEC source: 0001628280-18-012481 · wf-form4_153928966379408.xml · nonDerivative · entry 6

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Shares held by Genevieve Eltoukhy 2018 Irrevocable Trust

Disclosed balance after: 73,780

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

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

SEC source: 0001628280-18-012481 · wf-form4_153928966379408.xml · nonDerivative · entry 5

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Shares held by Eltoukhy Investments, L.P.

Disclosed balance after: 664,020

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

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

SEC source: 0001628280-18-012481 · wf-form4_153928966379408.xml · nonDerivative · entry 4

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Shares held by Camille Eltoukhy Irrevocable Trust

Disclosed balance after: 73,780

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

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

SEC source: 0001628280-18-012481 · wf-form4_153928966379408.xml · nonDerivative · entry 3

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Shares held by Isabella Eltoukhy 2018 Irrevocable Trust

Disclosed balance after: 73,780

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

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

SEC source: 0001628280-18-012481 · wf-form4_153928966379408.xml · nonDerivative · entry 2

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,040,370

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

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

SEC source: 0001628280-18-012481 · wf-form4_153928966379408.xml · nonDerivative · entry 1

Eltoukhy Helmy · CIK 0001752968 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · Shares held by Helmy A. Eltoukhy Revocable Trust

Disclosed balance after: 119,550

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

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.