AUR

SEC source: 0001828108-24-000049 · wk-form4_1709344889.xml · nonDerivative · entry 6

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 459,563

F7 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.5600 to $2.6200, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F3 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F6 · ownership.nature: Reflects securities held directly by Greylock 15-A.

SEC source: 0001828108-24-000049 · wk-form4_1709344889.xml · nonDerivative · entry 5

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 459,564

F7 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.5600 to $2.6200, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F3 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F5 · ownership.nature: Reflects securities held directly by Greylock 15 Principals.

SEC source: 0001828108-24-000049 · wk-form4_1709344889.xml · nonDerivative · entry 4

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 8,272,128

F7 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.5600 to $2.6200, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F3 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F4 · ownership.nature: Reflects securities held directly by Greylock 15.

SEC source: 0001828108-24-000049 · wk-form4_1709344889.xml · nonDerivative · entry 3

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 463,563

F1 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.5200 to $2.5750, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F3 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F6 · ownership.nature: Reflects securities held directly by Greylock 15-A.

SEC source: 0001828108-24-000049 · wk-form4_1709344889.xml · nonDerivative · entry 2

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 463,564

F1 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.5200 to $2.5750, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F3 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F5 · ownership.nature: Reflects securities held directly by Greylock 15 Principals.

SEC source: 0001828108-24-000049 · wk-form4_1709344889.xml · nonDerivative · entry 1

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 8,344,128

F1 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.5200 to $2.5750, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · balance_after: The number of Class A Common Stock beneficially owned by the reporting person following this sale has been decreased by one share to account for a computational error for a sale which was originally reported by the reporting person in a Form 4 filed on February 22, 2024.

F3 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F4 · ownership.nature: Reflects securities held directly by Greylock 15.

SEC source: 0001828108-24-000047 · wk-form4_1709171970.xml · nonDerivative · entry 6

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 513,563

F6 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.5000 to $2.7050, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F5 · ownership.nature: Reflects securities held directly by Greylock 15-A.

SEC source: 0001828108-24-000047 · wk-form4_1709171970.xml · nonDerivative · entry 5

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 513,564

F6 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.5000 to $2.7050, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F4 · ownership.nature: Reflects securities held directly by Greylock 15 Principals.

SEC source: 0001828108-24-000047 · wk-form4_1709171970.xml · nonDerivative · entry 4

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 9,244,129

F6 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.5000 to $2.7050, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F3 · ownership.nature: Reflects securities held directly by Greylock 15.

SEC source: 0001828108-24-000047 · wk-form4_1709171970.xml · nonDerivative · entry 3

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 648,563

F1 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.7500 to $2.8350, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F5 · ownership.nature: Reflects securities held directly by Greylock 15-A.

SEC source: 0001828108-24-000047 · wk-form4_1709171970.xml · nonDerivative · entry 2

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 648,564

F1 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.7500 to $2.8350, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F4 · ownership.nature: Reflects securities held directly by Greylock 15 Principals.

SEC source: 0001828108-24-000047 · wk-form4_1709171970.xml · nonDerivative · entry 1

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 11,674,129

F1 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.7500 to $2.8350, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F3 · ownership.nature: Reflects securities held directly by Greylock 15.

SEC source: 0001828108-24-000045 · wk-form4_1708637410.xml · nonDerivative · entry 6

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 678,176

F6 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.8400 to $2.8600, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F5 · ownership.nature: Reflects securities held directly by Greylock 15-A.

SEC source: 0001828108-24-000045 · wk-form4_1708637410.xml · nonDerivative · entry 5

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 678,176

F6 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.8400 to $2.8600, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F4 · ownership.nature: Reflects securities held directly by Greylock 15 Principals.

SEC source: 0001828108-24-000045 · wk-form4_1708637410.xml · nonDerivative · entry 4

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,207,153

F6 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.8400 to $2.8600, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F3 · ownership.nature: Reflects securities held directly by Greylock 15.

SEC source: 0001828108-24-000043 · wk-form4_1708637149.xml · nonDerivative · entry 1

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,244

F1 · shares: Represents the number of shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on March 15, 2022.

SEC source: 0001828108-24-000041 · wk-form4_1708636820.xml · nonDerivative · entry 1

Urmson Christopher · CIK 0001869013 · Director · See Remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,792

F1 · shares: Represents the number of shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on March 15, 2022.

SEC source: 0001828108-24-000045 · wk-form4_1708637410.xml · nonDerivative · entry 3

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 701,966

F1 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.8400 to $2.9050, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F5 · ownership.nature: Reflects securities held directly by Greylock 15-A.

SEC source: 0001828108-24-000045 · wk-form4_1708637410.xml · nonDerivative · entry 2

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 701,966

F1 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.8400 to $2.9050, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F4 · ownership.nature: Reflects securities held directly by Greylock 15 Principals.

SEC source: 0001828108-24-000045 · wk-form4_1708637410.xml · nonDerivative · entry 1

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,635,373

F1 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $2.8400 to $2.9050, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F3 · ownership.nature: Reflects securities held directly by Greylock 15.

SEC source: 0001828108-24-000040 · wk-form4_1708636683.xml · nonDerivative · entry 1

Fisher Ossa · CIK 0001609637 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,801,685

F1 · shares: Represents the number of shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the initial vesting of Restricted Stock Units granted on March 8, 2023.

SEC source: 0001828108-24-000042 · wk-form4_1708637029.xml · nonDerivative · entry 1

Maday David · CIK 0001978942 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 993,487

F1 · shares: Represents (i) 3,430 shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on March 15, 2022; (ii) 4,238 shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on March 8, 2023; and (iii) 18,252 shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on June 14, 2023.

SEC source: 0001828108-24-000038 · wk-form4_1708636472.xml · nonDerivative · entry 1

Shenai Nolan · CIK 0001953472 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 138,737

F1 · shares: Represents (i) 1,754 shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on April 30, 2022; and (ii) 4,909 shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on March 8, 2023.

SEC source: 0001828108-23-000230 · wk-form4_1700687676.xml · nonDerivative · entry 1

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,580

F1 · shares: Represents the number of shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on March 15, 2022.

SEC source: 0001828108-23-000231 · wk-form4_1700687862.xml · nonDerivative · entry 2

Urmson Christopher · CIK 0001869013 · Director · See Remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,280

F2 · kind: On November 20, 2023, the reporting person transferred 451,335 shares of the Issuer's Class A common stock to the Urmson 2022 Irrevocable Family Trust (the "Trust") for no consideration. The reporting person is a trustee of the Trust, and certain members of the reporting person's immediate family are the sole beneficiaries of the Trust. The reporting person, in his capacity as a trustee of the Trust, may be deemed a beneficial owner of the securities held by the Trust.

F2 · ownership.direct: On November 20, 2023, the reporting person transferred 451,335 shares of the Issuer's Class A common stock to the Urmson 2022 Irrevocable Family Trust (the "Trust") for no consideration. The reporting person is a trustee of the Trust, and certain members of the reporting person's immediate family are the sole beneficiaries of the Trust. The reporting person, in his capacity as a trustee of the Trust, may be deemed a beneficial owner of the securities held by the Trust.

SEC source: 0001828108-23-000231 · wk-form4_1700687862.xml · nonDerivative · entry 1

Urmson Christopher · CIK 0001869013 · Director · See Remarks · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 523,615

F1 · shares: Represents the number of shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on March 15, 2022.

SEC source: 0001828108-23-000232 · wk-form4_1700688032.xml · nonDerivative · entry 1

Maday David · CIK 0001978942 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,019,407

F1 · shares: Represents (i) 2,893 shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on March 15, 2022; (ii) 3,575 shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on March 8, 2023; and (iii) 21,988 shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the vesting of Restricted Stock Units granted on June 14, 2023.

SEC source: 0001828108-23-000229 · wk-form4_1700687545.xml · nonDerivative · entry 1

Shenai Nolan · CIK 0001953472 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 145,400

F1 · shares: Represents (i) 1,565 shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on April 30, 2022; and (ii) 4,379 shares of Class A common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the quarterly vesting of Restricted Stock Units granted on March 8, 2023.

SEC source: 0001828108-23-000205 · wk-form4_1698099716.xml · derivative · entry 10

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 704,850

Underlying: Class A Common Stock · 704,849 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F5 · ownership.nature: Reflects securities held directly by Greylock 15-A Limited Partnership.

SEC source: 0001828108-23-000205 · wk-form4_1698099716.xml · derivative · entry 9

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 704,850

Underlying: Class A Common Stock · 704,849 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F4 · ownership.nature: Reflects securities held directly by Greylock 15 Principals Limited Partnership.

SEC source: 0001828108-23-000205 · wk-form4_1698099716.xml · derivative · entry 8

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,687,274

Underlying: Class A Common Stock · 12,687,274 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F3 · ownership.nature: Reflects securities held directly by Greylock 15 Limited Partnership.

SEC source: 0001828108-23-000205 · wk-form4_1698099716.xml · nonDerivative · entry 3

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 704,849

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

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F5 · ownership.nature: Reflects securities held directly by Greylock 15-A Limited Partnership.

SEC source: 0001828108-23-000205 · wk-form4_1698099716.xml · nonDerivative · entry 2

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 704,849

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

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F4 · ownership.nature: Reflects securities held directly by Greylock 15 Principals Limited Partnership.

SEC source: 0001828108-23-000205 · wk-form4_1698099716.xml · nonDerivative · entry 1

Hoffman Reid · CIK 0001519339 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,687,274

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

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15 Limited Partnership ("Greylock 15"), Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). By virtue of being a managing member of Greylock LLC, the reporting person may be deemed a beneficial owner of the securities held by Greylock 15, Greylock Principals, and Greylock 15-A. The reporting person disclaims beneficial ownership of the securities held by Greylock 15, Greylock Principals, and/or Greylock 15-A, except to the extent of his pecuniary interest therein.

F3 · ownership.nature: Reflects securities held directly by Greylock 15 Limited Partnership.

SEC source: 0001828108-23-000198 · wk-form4_1695173462.xml · derivative · entry 3

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,784,451

Underlying: Class A Common Stock · 200,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

SEC source: 0001828108-23-000198 · wk-form4_1695173462.xml · nonDerivative · entry 2

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,933

F2 · kind: This transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan (the "Plan") adopted by the reporting person on September 13, 2022. The Plan was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) in effect at the time of adoption of the Plan. In the event that the maximum number of shares covered by the Plan are sold, the reporting person will continue to beneficially own approximately 85% of the total Class A Common Stock and Class B Common Stock the reporting person beneficially owned immediately prior to the first transactions under the Plan.

F3 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $3.480 to $3.615, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001828108-23-000198 · wk-form4_1695173462.xml · nonDerivative · entry 1

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 261,933

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

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

SEC source: 0001828108-23-000196 · wk-form4_1694562657.xml · derivative · entry 6

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,984,451

Underlying: Class A Common Stock · 3,926 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

SEC source: 0001828108-23-000196 · wk-form4_1694562657.xml · nonDerivative · entry 4

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,933

F2 · kind: This transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan (the "Plan") adopted by the reporting person on September 13, 2022. The Plan was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) in effect at the time of adoption of the Plan. In the event that the maximum number of shares covered by the Plan are sold, the reporting person will continue to beneficially own approximately 85% of the total Class A Common Stock and Class B Common Stock the reporting person beneficially owned immediately prior to the first transactions under the Plan.

F4 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $3.480 to $3.485, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001828108-23-000196 · wk-form4_1694562657.xml · nonDerivative · entry 3

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,859

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

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

SEC source: 0001828108-23-000196 · wk-form4_1694562657.xml · derivative · entry 5

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,988,377

Underlying: Class A Common Stock · 57,977 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

SEC source: 0001828108-23-000196 · wk-form4_1694562657.xml · nonDerivative · entry 2

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,933

F2 · kind: This transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan (the "Plan") adopted by the reporting person on September 13, 2022. The Plan was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) in effect at the time of adoption of the Plan. In the event that the maximum number of shares covered by the Plan are sold, the reporting person will continue to beneficially own approximately 85% of the total Class A Common Stock and Class B Common Stock the reporting person beneficially owned immediately prior to the first transactions under the Plan.

F3 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $3.480 to $3.630, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001828108-23-000196 · wk-form4_1694562657.xml · nonDerivative · entry 1

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,910

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

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

SEC source: 0001828108-23-000194 · wk-form4_1694207503.xml · derivative · entry 6

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,046,354

Underlying: Class A Common Stock · 14,239 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

SEC source: 0001828108-23-000194 · wk-form4_1694207503.xml · nonDerivative · entry 4

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,933

F2 · kind: This transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan (the "Plan") adopted by the reporting person on September 13, 2022. The Plan was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) in effect at the time of adoption of the Plan. In the event that the maximum number of shares covered by the Plan are sold, the reporting person will continue to beneficially own approximately 85% of the total Class A Common Stock and Class B Common Stock the reporting person beneficially owned immediately prior to the first transactions under the Plan.

F4 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $3.48 to $3.54, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001828108-23-000194 · wk-form4_1694207503.xml · nonDerivative · entry 3

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,172

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

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

SEC source: 0001828108-23-000194 · wk-form4_1694207503.xml · derivative · entry 5

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,060,593

Underlying: Class A Common Stock · 9,600 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

SEC source: 0001828108-23-000194 · wk-form4_1694207503.xml · nonDerivative · entry 2

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,933

F2 · kind: This transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan (the "Plan") adopted by the reporting person on September 13, 2022. The Plan was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) in effect at the time of adoption of the Plan. In the event that the maximum number of shares covered by the Plan are sold, the reporting person will continue to beneficially own approximately 85% of the total Class A Common Stock and Class B Common Stock the reporting person beneficially owned immediately prior to the first transactions under the Plan.

F3 · price: Weighted average price. This transaction was executed in multiple trades at prices ranging from $3.50 to $3.585, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

SEC source: 0001828108-23-000194 · wk-form4_1694207503.xml · nonDerivative · entry 1

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,533

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

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

SEC source: 0001828108-23-000192 · wk-form4_1694045492.xml · derivative · entry 6

Anderson Sterling · CIK 0001878943 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,070,193

Underlying: Class A Common Stock · 200,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date.