COIN

SEC source: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 17

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 0

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are the Reporting Person and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 16

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 100

F23 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $229.67 and the highest price at which shares were sold was $229.79.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are the Reporting Person and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 15

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 300

F22 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $228.49 and the highest price at which shares were sold was $229.46.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are the Reporting Person and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 14

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 1,900

F21 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $227.35 and the highest price at which shares were sold was $228.05.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are the Reporting Person and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 13

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 3,101

F20 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $226.34 and the highest price at which shares were sold was $227.30.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are the Reporting Person and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 12

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 8,900

F19 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $225.34 and the highest price at which shares were sold was $226.335.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are the Reporting Person and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 11

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 16,600

F18 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $224.33 and the highest price at which shares were sold was $225.32. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or the Issuer's stockholders, full information regarding the total number of shares sold at each separate price within the ranges set forth in footnotes (18) through (23) to this Form 4.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are the Reporting Person and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 0

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 100

F23 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $229.67 and the highest price at which shares were sold was $229.79.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 300

F22 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $228.49 and the highest price at which shares were sold was $229.46.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 1,900

F21 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $227.35 and the highest price at which shares were sold was $228.05.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 3,101

F20 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $226.34 and the highest price at which shares were sold was $227.30.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 8,900

F19 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $225.34 and the highest price at which shares were sold was $226.335.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 16,600

F18 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $224.33 and the highest price at which shares were sold was $225.32. The Reporting Persons undertake to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or the Issuer's stockholders, full information regarding the total number of shares sold at each separate price within the ranges set forth in footnotes (18) through (23) to this Form 4.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035775 · doc4.xml · nonDerivative · entry 4

Haun Kathryn · CIK 0001851425 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Gherardesca LLC

Disclosed balance after: 57,376

F6 · ownership.nature: These reported securities are held by Gherardesca LLC. The Reporting Person is one of two investment managers of of Gherardesca LLC. As an investment manager, the Reporting Person has shared voting and investment power over the shares held by Gherardesca LLC.

SEC source: 0001209191-21-035775 · doc4.xml · nonDerivative · entry 3

Haun Kathryn · CIK 0001851425 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F5 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $225.13 and the highest price at which shares were sold was $225.58. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or the Issuer's stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein.

SEC source: 0001209191-21-035602 · doc4.xml · nonDerivative · entry 17

a16z Seed-III, LLC · CIK 0001775245 · 10% owner

Andreessen Horowitz Fund III, L.P. · CIK 0001540352 · 10% owner

Andreessen Horowitz Fund III-A, L.P. · CIK 0001540355 · 10% owner

Andreessen Horowitz Fund III-B, L.P. · CIK 0001540353 · 10% owner

Andreessen Horowitz Fund III-Q, L.P. · CIK 0001540245 · 10% owner

AH Parallel Fund III, L.P. · CIK 0001540363 · 10% owner

AH Parallel Fund III-A, L.P. · CIK 0001540364 · 10% owner

AH Parallel Fund III-B, L.P. · CIK 0001540366 · 10% owner

AH Parallel Fund III-Q, L.P. · CIK 0001540367 · 10% owner

AH Equity Partners III, L.L.C. · CIK 0001540361 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 0

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035602 · doc4.xml · nonDerivative · entry 16

a16z Seed-III, LLC · CIK 0001775245 · 10% owner

Andreessen Horowitz Fund III, L.P. · CIK 0001540352 · 10% owner

Andreessen Horowitz Fund III-A, L.P. · CIK 0001540355 · 10% owner

Andreessen Horowitz Fund III-B, L.P. · CIK 0001540353 · 10% owner

Andreessen Horowitz Fund III-Q, L.P. · CIK 0001540245 · 10% owner

AH Parallel Fund III, L.P. · CIK 0001540363 · 10% owner

AH Parallel Fund III-A, L.P. · CIK 0001540364 · 10% owner

AH Parallel Fund III-B, L.P. · CIK 0001540366 · 10% owner

AH Parallel Fund III-Q, L.P. · CIK 0001540367 · 10% owner

AH Equity Partners III, L.L.C. · CIK 0001540361 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 100

F23 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $229.67 and the highest price at which shares were sold was $229.79.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035602 · doc4.xml · nonDerivative · entry 15

a16z Seed-III, LLC · CIK 0001775245 · 10% owner

Andreessen Horowitz Fund III, L.P. · CIK 0001540352 · 10% owner

Andreessen Horowitz Fund III-A, L.P. · CIK 0001540355 · 10% owner

Andreessen Horowitz Fund III-B, L.P. · CIK 0001540353 · 10% owner

Andreessen Horowitz Fund III-Q, L.P. · CIK 0001540245 · 10% owner

AH Parallel Fund III, L.P. · CIK 0001540363 · 10% owner

AH Parallel Fund III-A, L.P. · CIK 0001540364 · 10% owner

AH Parallel Fund III-B, L.P. · CIK 0001540366 · 10% owner

AH Parallel Fund III-Q, L.P. · CIK 0001540367 · 10% owner

AH Equity Partners III, L.L.C. · CIK 0001540361 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 300

F22 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $228.49 and the highest price at which shares were sold was $229.46.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035602 · doc4.xml · nonDerivative · entry 14

a16z Seed-III, LLC · CIK 0001775245 · 10% owner

Andreessen Horowitz Fund III, L.P. · CIK 0001540352 · 10% owner

Andreessen Horowitz Fund III-A, L.P. · CIK 0001540355 · 10% owner

Andreessen Horowitz Fund III-B, L.P. · CIK 0001540353 · 10% owner

Andreessen Horowitz Fund III-Q, L.P. · CIK 0001540245 · 10% owner

AH Parallel Fund III, L.P. · CIK 0001540363 · 10% owner

AH Parallel Fund III-A, L.P. · CIK 0001540364 · 10% owner

AH Parallel Fund III-B, L.P. · CIK 0001540366 · 10% owner

AH Parallel Fund III-Q, L.P. · CIK 0001540367 · 10% owner

AH Equity Partners III, L.L.C. · CIK 0001540361 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 1,900

F21 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $227.35 and the highest price at which shares were sold was $228.05.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035602 · doc4.xml · nonDerivative · entry 13

a16z Seed-III, LLC · CIK 0001775245 · 10% owner

Andreessen Horowitz Fund III, L.P. · CIK 0001540352 · 10% owner

Andreessen Horowitz Fund III-A, L.P. · CIK 0001540355 · 10% owner

Andreessen Horowitz Fund III-B, L.P. · CIK 0001540353 · 10% owner

Andreessen Horowitz Fund III-Q, L.P. · CIK 0001540245 · 10% owner

AH Parallel Fund III, L.P. · CIK 0001540363 · 10% owner

AH Parallel Fund III-A, L.P. · CIK 0001540364 · 10% owner

AH Parallel Fund III-B, L.P. · CIK 0001540366 · 10% owner

AH Parallel Fund III-Q, L.P. · CIK 0001540367 · 10% owner

AH Equity Partners III, L.L.C. · CIK 0001540361 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 3,101

F20 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $226.34 and the highest price at which shares were sold was $227.30.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035602 · doc4.xml · nonDerivative · entry 12

a16z Seed-III, LLC · CIK 0001775245 · 10% owner

Andreessen Horowitz Fund III, L.P. · CIK 0001540352 · 10% owner

Andreessen Horowitz Fund III-A, L.P. · CIK 0001540355 · 10% owner

Andreessen Horowitz Fund III-B, L.P. · CIK 0001540353 · 10% owner

Andreessen Horowitz Fund III-Q, L.P. · CIK 0001540245 · 10% owner

AH Parallel Fund III, L.P. · CIK 0001540363 · 10% owner

AH Parallel Fund III-A, L.P. · CIK 0001540364 · 10% owner

AH Parallel Fund III-B, L.P. · CIK 0001540366 · 10% owner

AH Parallel Fund III-Q, L.P. · CIK 0001540367 · 10% owner

AH Equity Partners III, L.L.C. · CIK 0001540361 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 8,900

F19 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $225.34 and the highest price at which shares were sold was $226.335.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035602 · doc4.xml · nonDerivative · entry 11

a16z Seed-III, LLC · CIK 0001775245 · 10% owner

Andreessen Horowitz Fund III, L.P. · CIK 0001540352 · 10% owner

Andreessen Horowitz Fund III-A, L.P. · CIK 0001540355 · 10% owner

Andreessen Horowitz Fund III-B, L.P. · CIK 0001540353 · 10% owner

Andreessen Horowitz Fund III-Q, L.P. · CIK 0001540245 · 10% owner

AH Parallel Fund III, L.P. · CIK 0001540363 · 10% owner

AH Parallel Fund III-A, L.P. · CIK 0001540364 · 10% owner

AH Parallel Fund III-B, L.P. · CIK 0001540366 · 10% owner

AH Parallel Fund III-Q, L.P. · CIK 0001540367 · 10% owner

AH Equity Partners III, L.L.C. · CIK 0001540361 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 16,600

F18 · price: Represents the weighted average sale price. The lowest price at which shares were sold was $224.33 and the highest price at which shares were sold was $225.32. The Reporting Persons undertake to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or the Issuer's stockholders, full information regarding the total number of shares sold at each separate price within the ranges set forth in footnotes (18) through (23) to this Form 4.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035604 · doc4.xml · derivative · entry 20

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 A Common Stock · 322,110 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of 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 · kind: Represents the conversion of 322,110 shares of Class B Common Stock held of record by a16z Seed-III, LLC ("a16z Seed") into Class A Common Stock.

F2 · 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.

F2 · 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.

F2 · 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.

F8 · ownership.nature: These securities are held of record by 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. 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: 0001209191-21-035604 · doc4.xml · derivative · entry 19

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: 890,493

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.

F2 · 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 454,334 shares of Class B Common Stock held of record by AH Parallel Fund III, L.P. into Class A Common Stock.

F2 · 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.

F2 · 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.

F2 · 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.

F5 · 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.

F6 · ownership.nature: (Continued from Footnote 5) 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: 0001209191-21-035604 · doc4.xml · derivative · entry 18

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: 10,761,104

Underlying: Class A Common Stock · 5,220,839 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of 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.

F1 · kind: Represents the conversion of 5,220,839 shares of Class B Common Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F2 · 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.

F2 · 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.

F2 · 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 10

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 938,130

F16 · kind: Represents shares received by the LAMA Community Trust pursuant to pro rata distributions by the AH Fund III Entities, the AH Parallel Fund III Entities, the AH LSV Fund I Entities, AH EP III, AH EP III Parallel, and AH EP LSV I, for no consideration, of shares of the Issuer's Class A Common Stock to their respective partners or members, as applicable. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F17 · ownership.nature: The shares are held of record by the LAMA Community Trust of which the Reporting Person and his spouse are trustees.

SEC source: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 9

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 17,473

F14 · kind: Represents shares received by AH Capital Management, L.L.C. pursuant to pro rata distributions by AH EP III, AH EP III Parallel and AH EP LSV I, for no consideration, of shares of the Issuer's Class A Common Stock to their respective members. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are the Reporting Person and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 2,263,232

F12 · kind: On May 21, 2021, the AH LSV Fund I Entities (as defined below) distributed, for no consideration, 1,154,711 shares of the Issuer's Class A Common Stock (the "AH LSV Fund I Shares") to their limited partners and to AH EP LSV I (as defined below), the general partner of the AH LSV Fund I Entities, representing each such partner's pro rata interest in such AH LSV Fund I Shares. On the same date, AH EP LSV I distributed, for no consideration, the AH LSV Fund I Shares it received in the distribution by the AH LSV Fund I Entities to its members, representing each such member's pro rata interest in such AH LSV Fund I Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F13 · ownership.nature: These securities are held by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, has sole voting and dispositive power with regard to the shares held by the AH LSV Fund I Entities. The Reporting Person and Ben Horowitz are the managing members of AH EP LSV I and share voting and dispositive power with respect to the shares held by the AH LSV Fund I Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 7

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

F11 · kind: On May 21, 2021, the AH Parallel Fund III Entities distributed, for no consideration, 454,334 shares of the Issuer's Class A Common Stock (the "AH Parallel Fund III Shares") to their limited partners and to AH EP III Parallel, the general partner of the AH Parallel Fund III Entities, representing each such partner's pro rata interest in such AH Parallel Fund III Shares. On the same date, AH EP III Parallel distributed, for no consideration, the AH Parallel Fund III Shares it received in the distribution by the AH Parallel Fund III Entities to its members, representing each such member's pro rata interest in such AH Parallel Fund III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F5 · 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.

F6 · ownership.nature: (Continued from Footnote 5) 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 6

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: 103,075

F10 · kind: On May 21, 2021, the AH Fund III Entities distributed, for no consideration, 5,542,949 shares of the Issuer's Class A Common Stock (the "AH Fund III Shares") to their limited partners and to AH EP III, the general partner of the AH Fund III Entities, representing each such partner's pro rata interest in such AH Fund III Shares. On the same date, AH EP III distributed, for no consideration, the AH Fund III Shares it received in the distribution by the AH Fund III Entities to its members, representing each such member's pro rata interest in such AH Fund III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 5

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: 5,646,024

F9 · kind: On May 21, 2021, a16z Seed distributed, for no consideration, 425,185 shares of the Issuer's Class A Common Stock (the "a16z Seed Shares") to the AH Fund III Entities, representing each such member's pro rata interest in such a16z Seed Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By a16z Seed-III, LLC

Disclosed balance after: 0

F9 · kind: On May 21, 2021, a16z Seed distributed, for no consideration, 425,185 shares of the Issuer's Class A Common Stock (the "a16z Seed Shares") to the AH Fund III Entities, representing each such member's pro rata interest in such a16z Seed Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F8 · ownership.nature: These securities are held of record by 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. 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: 0001209191-21-035604 · 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: 425,185

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

F7 · kind: Represents the conversion of 322,110 shares of Class B Common Stock held of record by a16z Seed-III, LLC ("a16z Seed") into Class A Common Stock.

F2 · 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 · ownership.nature: These securities are held of record by 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. 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: 0001209191-21-035604 · doc4.xml · nonDerivative · entry 2

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.

F4 · 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.

F2 · 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 · 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.

F6 · ownership.nature: (Continued from Footnote 5) 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: 0001209191-21-035604 · 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: 5,220,839

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 5,220,839 shares of Class B Common Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F2 · 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: 0001209191-21-035603 · doc4.xml · derivative · entry 20

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

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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 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 A Common Stock · 322,110 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of 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 · kind: Represents the conversion of 322,110 shares of Class B Common Stock held of record by a16z Seed-III, LLC ("a16z Seed") into Class A Common Stock.

F2 · 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.

F2 · 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.

F2 · 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.

F8 · ownership.nature: These securities are held of record by 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: 0001209191-21-035603 · doc4.xml · derivative · entry 19

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

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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 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: 890,493

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.

F2 · 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 454,334 shares of Class B Common Stock held of record by AH Parallel Fund III, L.P. into Class A Common Stock.

F2 · 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.

F2 · 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.

F2 · 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.

F5 · 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.

F6 · ownership.nature: (Continued from Footnote 5) 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: 0001209191-21-035603 · doc4.xml · derivative · entry 18

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

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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 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: 10,761,104

Underlying: Class A Common Stock · 5,220,839 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of 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.

F1 · kind: Represents the conversion of 5,220,839 shares of Class B Common Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F2 · 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.

F2 · 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.

F2 · 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 842,687

F16 · kind: Represents shares received by the 1997 Horowitz Family Trust pursuant to pro rata distributions by the AH Fund III Entities, the AH Parallel Fund III Entities, the AH LSV Fund I Entities, AH EP III, AH EP III Parallel, and AH EP LSV I, for no consideration, of shares of the Issuer's Class A Common Stock to their respective partners or members, as applicable. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F17 · ownership.nature: These securities are held of record by a family trust for which Ben Horowitz is a trustee. Each of the Reporting Persons disclaims the existence of a "group" and, other than Ben Horowitz, disclaims beneficial ownership of these securities, 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Capital Management, L.L.C.

Disclosed balance after: 17,473

F14 · kind: Represents shares received by AH Capital Management, L.L.C. pursuant to pro rata distributions by AH EP III, AH EP III Parallel and AH EP LSV I, for no consideration, of shares of the Issuer's Class A Common Stock to their respective members. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F15 · ownership.nature: The securities are held of record by AH Capital Management, L.L.C. The members of AH Capital Management, L.L.C. are Marc Andreessen and Ben Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital Management, L.L.C. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital Management, L.L.C. 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: Not disclosed

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

Disclosed balance after: 2,263,232

F12 · kind: On May 21, 2021, the AH LSV Fund I Entities (as defined below) distributed, for no consideration, 1,154,711 shares of the Issuer's Class A Common Stock (the "AH LSV Fund I Shares") to their limited partners and to AH EP LSV I (as defined below), the general partner of the AH LSV Fund I Entities, representing each such partner's pro rata interest in such AH LSV Fund I Shares. On the same date, AH EP LSV I distributed, for no consideration, the AH LSV Fund I Shares it received in the distribution by the AH LSV Fund I Entities to its members, representing each such member's pro rata interest in such AH LSV Fund I Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F13 · ownership.nature: These securities are held by Andreessen Horowitz LSV Fund I, L.P., for itself and as nominee for Andreessen Horowitz LSV Fund I-B, L.P. and Andreessen Horowitz LSV Fund I-Q, L.P. (collectively, the "AH LSV Fund I Entities"). AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), the general partner of the AH LSV Fund I Entities, has sole voting and dispositive power with regard to the shares held by the AH LSV Fund I Entities. Marc Andreessen and Ben Horowitz are the managing members of AH EP LSV I and share voting and dispositive power with respect to the shares held by the AH LSV Fund I Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH LSV Fund I 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: 0001209191-21-035603 · doc4.xml · nonDerivative · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 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

F11 · kind: On May 21, 2021, the AH Parallel Fund III Entities distributed, for no consideration, 454,334 shares of the Issuer's Class A Common Stock (the "AH Parallel Fund III Shares") to their limited partners and to AH EP III Parallel, the general partner of the AH Parallel Fund III Entities, representing each such partner's pro rata interest in such AH Parallel Fund III Shares. On the same date, AH EP III Parallel distributed, for no consideration, the AH Parallel Fund III Shares it received in the distribution by the AH Parallel Fund III Entities to its members, representing each such member's pro rata interest in such AH Parallel Fund III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F5 · 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.

F6 · ownership.nature: (Continued from Footnote 5) 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: 0001209191-21-035603 · doc4.xml · nonDerivative · entry 6

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

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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 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: 103,075

F10 · kind: On May 21, 2021, the AH Fund III Entities distributed, for no consideration, 5,542,949 shares of the Issuer's Class A Common Stock (the "AH Fund III Shares") to their limited partners and to AH EP III, the general partner of the AH Fund III Entities, representing each such partner's pro rata interest in such AH Fund III Shares. On the same date, AH EP III distributed, for no consideration, the AH Fund III Shares it received in the distribution by the AH Fund III Entities to its members, representing each such member's pro rata interest in such AH Fund III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

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: 0001209191-21-035603 · doc4.xml · nonDerivative · entry 5

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

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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 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: 5,646,024

F9 · kind: On May 21, 2021, a16z Seed distributed, for no consideration, 425,185 shares of the Issuer's Class A Common Stock (the "a16z Seed Shares") to the AH Fund III Entities, representing each such member's pro rata interest in such a16z Seed Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

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: 0001209191-21-035603 · 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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 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

F9 · kind: On May 21, 2021, a16z Seed distributed, for no consideration, 425,185 shares of the Issuer's Class A Common Stock (the "a16z Seed Shares") to the AH Fund III Entities, representing each such member's pro rata interest in such a16z Seed Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.

F8 · ownership.nature: These securities are held of record by 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: 0001209191-21-035603 · doc4.xml · nonDerivative · entry 3

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

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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 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: 425,185

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

F7 · kind: Represents the conversion of 322,110 shares of Class B Common Stock held of record by a16z Seed-III, LLC ("a16z Seed") into Class A Common Stock.

F2 · 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 · ownership.nature: These securities are held of record by 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: 0001209191-21-035603 · doc4.xml · nonDerivative · entry 2

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

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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 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.

F4 · 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.

F2 · 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 · 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.

F6 · ownership.nature: (Continued from Footnote 5) 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: 0001209191-21-035603 · doc4.xml · nonDerivative · entry 1

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

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

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

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

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

AH Capital Management, L.L.C. · CIK 0001540358 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 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: 5,220,839

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 5,220,839 shares of Class B Common Stock held of record by Andreessen Horowitz Fund III, L.P. into Class A Common Stock.

F2 · 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: 0001209191-21-035775 · doc4.xml · nonDerivative · entry 2

Haun Kathryn · CIK 0001851425 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,522

F4 · kind: Represents shares received by the Reporting Person pursuant to a pro rata distribution by AH EP LSV I for no consideration, of shares of Class A Common Stock of the Issuer to its respective partners and such partners' members, as applicable. The aforementioned distribution was made in accordance with the exemptions afforded by Rules 16a-13 and/or 16a-9 of the Securities Exchange Act of 1934, as amended.