COIN

SEC source: 0001209191-21-027705 · doc4a.xml · nonDerivative · entry 1

WILSON FREDERICK R · CIK 0001227688 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By FRW 2014, LLC

Disclosed balance after: 65,908

F1 · kind: Represents a pro rata share distribution of the Issuer's Class A Common Stock by USV Opportunity 2014, L.P. to its partners and such partners' members, as applicable, for no consideration.

F2 · shares: This amendment to Form 4 filed on April 16, 2021 is filed to report the correct number of shares acquired by FRW 2014, LLC via distribution from USV Opportunity 2014, L.P. to its partners and such partners' members, as applicable, for no consideration.

F3 · ownership.nature: The Reporting Person is a managing member of FRW 2014, LLC and, as such, he may be deemed to have voting and dispositive power over the shares owned by FRW 2014, LLC. The Reporting Person disclaims beneficial ownership of the shares owned by FRW 2014, LLC, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001679788-21-000013 · wf-form4a_162648100386287.xml · derivative · entry 6

Chatterjee Surojit · CIK 0001851558 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,836,692

Underlying: Class A Common Stock · 160,000 shares

Expires 2030-02-04

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_date: The option vested with respect to 1/4th of the total shares underlying the option on February 3, 2021, and the remaining 3/4th of the shares underlying the option will vest in equal monthly installments thereafter until the option is fully vested on February 3, 2024, subject to the Reporting Person's continued service to the Issuer on each vesting date. The option contains an early-exercise provision and is exercisable as to unvested shares, subject to the Issuer's right of repurchase.

SEC source: 0001679788-21-000013 · wf-form4a_162648100386287.xml · nonDerivative · entry 5

Chatterjee Surojit · CIK 0001851558 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Chatterjee Family Revocable Trust

Disclosed balance after: 5,344

F1 · ownership.nature: These shares are held of record by The Chatterjee Family Revocable Trust, of which the Reporting Person and the Reporting Person's spouse are co-trustees. The Reporting Person disclaims beneficial ownership of the shares owned by The Chatterjee Family Revocable Trust, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001679788-21-000013 · wf-form4a_162648100386287.xml · nonDerivative · entry 4

Chatterjee Surojit · CIK 0001851558 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Chatterjee Family Revocable Trust

Disclosed balance after: 30,344

F1 · ownership.nature: These shares are held of record by The Chatterjee Family Revocable Trust, of which the Reporting Person and the Reporting Person's spouse are co-trustees. The Reporting Person disclaims beneficial ownership of the shares owned by The Chatterjee Family Revocable Trust, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001679788-21-000013 · wf-form4a_162648100386287.xml · nonDerivative · entry 3

Chatterjee Surojit · CIK 0001851558 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Chatterjee Family Revocable Trust

Disclosed balance after: 165,344

F1 · ownership.nature: These shares are held of record by The Chatterjee Family Revocable Trust, of which the Reporting Person and the Reporting Person's spouse are co-trustees. The Reporting Person disclaims beneficial ownership of the shares owned by The Chatterjee Family Revocable Trust, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001679788-21-000013 · wf-form4a_162648100386287.xml · nonDerivative · entry 2

Chatterjee Surojit · CIK 0001851558 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001679788-21-000013 · wf-form4a_162648100386287.xml · nonDerivative · entry 1

Chatterjee Surojit · CIK 0001851558 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 165,344

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.

SEC source: 0001679788-25-000065 · wk-form5_1745611384.xml · nonDerivative · entry 1

Rajaram Gokul · CIK 0001589043 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Rajaram Family Revocable Trust

Disclosed balance after: 9,195

F1 · kind: Represents a pro rata, in-kind distribution from a fund in which the Reporting Person is a limited partner.

F2 · ownership.nature: Shares are held by the Rajaram Family Revocable Trust, of which the Reporting Person is trustee.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 17

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class A Common Stock · 27,630 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: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F1 · kind: Represents the conversion of 27,630 shares of Series E Preferred Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F2 · price: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F2 · derivative.exercise_date: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F2 · derivative.expiration_date: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 16

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,817,334 shares

Expires not disclosed

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

F12 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 15

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,531,760 shares

Expires not disclosed

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

F12 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 14

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class B Common Stock · 19,182,924 shares

Expires not disclosed

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

F12 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 13

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 0

Underlying: Class B Common Stock · 257,688 shares

Expires not disclosed

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

F12 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F12 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 12

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 16,306,735

Underlying: Class A Common Stock · 5,407,949 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · kind: Represents the conversion of 5,407,949 shares of Class B Common Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 11

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,363,000

Underlying: Class A Common Stock · 454,334 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F8 · kind: Represents the conversion of 454,334 shares of Class B Common Stock held of record by AH Parallel Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 10

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 322,110

Underlying: Class A Common Stock · 107,370 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · kind: Represents the conversion of 107,370 shares of Class B Common Stock held of record by a16z Seed-III, LLC into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 9

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,817,334

Underlying: Class A Common Stock · 1,817,334 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 8

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 21,714,684

Underlying: Class A Common Stock · 21,714,684 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · derivative · entry 7

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 429,480

Underlying: Class A Common Stock · 257,688 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · nonDerivative · entry 4

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 454,334

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

F8 · kind: Represents the conversion of 454,334 shares of Class B Common Stock held of record by AH Parallel Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · nonDerivative · entry 3

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 107,370

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.

F6 · kind: Represents the conversion of 107,370 shares of Class B Common Stock held of record by a16z Seed-III, LLC into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · nonDerivative · entry 2

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 5,435,579

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 · kind: Represents the conversion of 5,407,949 shares of Class B Common Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025539 · doc4.xml · nonDerivative · entry 1

Andreessen Marc L · CIK 0001160077 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 27,630

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

F1 · kind: Represents the conversion of 27,630 shares of Series E Preferred Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F2 · price: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 17

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class A Common Stock · 27,630 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: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F1 · kind: Represents the conversion of 27,630 shares of Series E Preferred Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F2 · price: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F2 · derivative.exercise_date: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F2 · derivative.expiration_date: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 16

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,817,334 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.

F13 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 15

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,531,760 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.

F13 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 14

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class B Common Stock · 19,182,924 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.

F13 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 13

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 0

Underlying: Class B Common Stock · 257,688 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.

F13 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by the AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 12

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 16,306,735

Underlying: Class A Common Stock · 5,407,949 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · kind: Represents the conversion of 5,407,949 shares of Class B Common Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 11

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,363,000

Underlying: Class A Common Stock · 454,334 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F8 · kind: Represents the conversion of 454,334 shares of Class B Common Stock held of record by AH Parallel Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 10

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 322,110

Underlying: Class A Common Stock · 107,370 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · kind: Represents the conversion of 107,370 shares of Class B Common Stock held of record by a16z Seed-III, LLC into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by the AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 9

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,817,334

Underlying: Class A Common Stock · 1,817,334 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 8

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 21,714,684

Underlying: Class A Common Stock · 21,714,684 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · derivative · entry 7

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 429,480

Underlying: Class A Common Stock · 257,688 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by the AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · nonDerivative · entry 4

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 454,334

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

F8 · kind: Represents the conversion of 454,334 shares of Class B Common Stock held of record by AH Parallel Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · nonDerivative · entry 3

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 107,370

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.

F6 · kind: Represents the conversion of 107,370 shares of Class B Common Stock held of record by a16z Seed-III, LLC into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by the AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · nonDerivative · entry 2

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 5,435,579

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 · kind: Represents the conversion of 5,407,949 shares of Class B Common Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025538 · doc4.xml · nonDerivative · entry 1

AH Equity Partners III (Parallel), L.L.C. · CIK 0001540359 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

Dixon Christopher · CIK 0001854162 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 27,630

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

F1 · kind: Represents the conversion of 27,630 shares of Series E Preferred Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F2 · price: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 17

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class A Common Stock · 27,630 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: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F1 · kind: Represents the conversion of 27,630 shares of Series E Preferred Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F2 · price: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F2 · derivative.exercise_date: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F2 · derivative.expiration_date: The Series E Preferred Stock is convertible into Class A Common Stock on a 1:1 basis and has no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series E Preferred Stock automatically converted into shares of Class A Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 16

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,817,334 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.

F13 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 15

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,531,760 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.

F13 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 14

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Class B Common Stock · 19,182,924 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.

F13 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 13

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 0

Underlying: Class B Common Stock · 257,688 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.

F13 · derivative.exercise_price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · price: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.exercise_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F13 · derivative.expiration_date: The Series A, Series B, Series C and Series D Preferred Stock are each convertible into Class B Common Stock on a 1:1 basis and have no expiration date. Upon the effectiveness of the Issuer's Registration Statement on Form S-1, all shares of Series A, Series B, Series C and Series D Preferred Stock automatically converted into shares of Class B Common Stock of the Issuer.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by the AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 12

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 16,306,735

Underlying: Class A Common Stock · 5,407,949 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · kind: Represents the conversion of 5,407,949 shares of Class B Common Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 11

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,363,000

Underlying: Class A Common Stock · 454,334 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F8 · kind: Represents the conversion of 454,334 shares of Class B Common Stock held of record by AH Parallel Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 10

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 322,110

Underlying: Class A Common Stock · 107,370 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · kind: Represents the conversion of 107,370 shares of Class B Common Stock held of record by a16z Seed-III, LLC into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by the AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 9

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,817,334

Underlying: Class A Common Stock · 1,817,334 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 8

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 21,714,684

Underlying: Class A Common Stock · 21,714,684 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: These securities are held by Andreessen Horowitz Fund III, L.P., for itself and as nominee for Andreessen Horowitz Fund III-A, L.P., Andreessen Horowitz Fund III-B, L.P., and Andreessen Horowitz Fund III-Q, L.P. (collectively, the "AH Fund III Entities"). AH Equity Partners III, L.L.C. ("AH EP III"), the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the securities held by the AH Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by the AH Fund III Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · derivative · entry 7

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 429,480

Underlying: Class A Common Stock · 257,688 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.

F5 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F7 · ownership.nature: These securities are held of record by a16z Seed-III, LLC ("a16z Seed"). The securities held directly by a16z Seed are indirectly held by the AH Fund III Entities, the members of a16z Seed. AH EP III, the general partner of the AH Fund III Entities, has sole voting and dispositive power with regard to the shares held by a16z Seed. Marc Andreessen and Ben Horowitz are the managing members of AH EP III and share voting and dispositive power with respect to the shares held by a16z Seed. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by a16z Seed and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001209191-21-025537 · doc4.xml · nonDerivative · entry 4

Andreessen Horowitz LSV Fund I, L.P. · CIK 0001772284 · 10% owner

Andreessen Horowitz LSV Fund I-B, L.P. · CIK 0001772420 · 10% owner

CNK Fund I, L.P. · CIK 0001743437 · 10% owner

CNK Fund I-B, L.P. · CIK 0001748080 · 10% owner

CNK Fund I-Q, L.P. · CIK 0001748082 · 10% owner

CNK Equity Partners I, L.L.C. · CIK 0001743443 · 10% owner

AH Equity Partners LSV I, L.L.C. · CIK 0001772287 · 10% owner

Andreessen Horowitz LSV Fund I-Q, L.P. · CIK 0001772407 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 454,334

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

F8 · kind: Represents the conversion of 454,334 shares of Class B Common Stock held of record by AH Parallel Fund III, L.P. into Class A Common Stock.

F5 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: These securities are held by AH Parallel Fund III, L.P., for itself and as nominee for AH Parallel Fund III-A, L.P., AH Parallel Fund III-B, L.P., and AH Parallel Fund III-Q, L.P. (collectively, the "AH Parallel Fund III Entities"). AH Equity Partners III (Parallel), L.L.C. ("AH EP III Parallel"), the general partner of the AH Parallel Fund III Entities, has sole voting and dispositive power with regard to the shares held by the AH Parallel Fund III Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP III Parallel and share voting and dispositive power with respect to the shares held by the AH Parallel Fund III Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund III Entities and this report shall not be deemed an admission that any such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.