IOT

SEC source: 0001415889-24-029044 · form4-12122024_021248.xml · nonDerivative · entry 7

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 25,823

F13 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.01 to $46.00 inclusive. The Reporting Person undertakes to provide to 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 in this footnote.

F11 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F12 · ownership.nature: (Continued from Footnote 11) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-029044 · form4-12122024_021248.xml · nonDerivative · entry 6

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 76,251

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.

F11 · ownership.nature: These shares are held of record by AH Parallel Fund V, L.P., for itself and as nominee for AH Parallel Fund V-A, L.P., AH Parallel Fund V-B, L.P., and AH Parallel Fund V-Q, L.P. (collectively, the "AH Parallel Fund V Entities"). AH Equity Partners V (Parallel), L.L.C. ("AH EP V Parallel"), the general partner of the AH Parallel Fund V Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund V Entities. Marc Andreessen and Benjamin Horowitz are managing members of AH EP V Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund V Entities.

F12 · ownership.nature: (Continued from Footnote 11) Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund V Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-029148 · form4-12122024_101206.xml · nonDerivative · entry 3

Eltoukhy Adam · CIK 0001895101 · SEE REMARKS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 386,614

F1 · kind: These shares were disposed of in non-discretionary transactions to cover the Reporting Person's tax withholding obligations in connection with the settlement of awards of restricted stock units (RSUs).

F3 · balance_after: Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

SEC source: 0001415889-24-029148 · form4-12122024_101206.xml · nonDerivative · entry 2

Eltoukhy Adam · CIK 0001895101 · SEE REMARKS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 386,710

F1 · kind: These shares were disposed of in non-discretionary transactions to cover the Reporting Person's tax withholding obligations in connection with the settlement of awards of restricted stock units (RSUs).

F5 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $46.14 to $47.00, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · balance_after: Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

SEC source: 0001415889-24-029148 · form4-12122024_101206.xml · nonDerivative · entry 1

Eltoukhy Adam · CIK 0001895101 · SEE REMARKS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 387,437

F1 · kind: These shares were disposed of in non-discretionary transactions to cover the Reporting Person's tax withholding obligations in connection with the settlement of awards of restricted stock units (RSUs).

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $45.12 to $46.11, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · balance_after: Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

F4 · balance_after: The number of shares held reflects the transfer of 4,537 shares of Class A Common Stock from the Reporting Person to AE and NS, Co-Trustees of the ES Trust, over which the Reporting Person has voting or investment power (the "ES Trust").

SEC source: 0001415889-24-029144 · form4-12122024_101256.xml · nonDerivative · entry 2

Bicket John · CIK 0001895106 · Director · SEE REMARKS · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 283,620

F1 · kind: The sales were effected pursuant to a Rule 10b5-1 trading plan adopted on September 29, 2023 by John C. Bicket, Trustee of the John C. Bicket Revocable Trust u/a/d 2/15/2013, over which the Reporting Person has voting or investment power (the "Bicket Revocable Trust").

F4 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $47.20 to $48.08, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · ownership.nature: Consists of shares held by the Bicket Revocable Trust.

SEC source: 0001415889-24-029144 · form4-12122024_101256.xml · nonDerivative · entry 1

Bicket John · CIK 0001895106 · Director · SEE REMARKS · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 319,346

F1 · kind: The sales were effected pursuant to a Rule 10b5-1 trading plan adopted on September 29, 2023 by John C. Bicket, Trustee of the John C. Bicket Revocable Trust u/a/d 2/15/2013, over which the Reporting Person has voting or investment power (the "Bicket Revocable Trust").

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $46.20 to $47.195, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · ownership.nature: Consists of shares held by the Bicket Revocable Trust.

SEC source: 0001415889-24-029145 · form4-12122024_101212.xml · nonDerivative · entry 2

Biswas Sanjit · CIK 0001895111 · Director · CHIEF EXECUTVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 3,886

F1 · kind: The sales were effected pursuant to a Rule 10b5-1 trading plan adopted on September 29, 2023 by SB and HB, Co-Trustees of the Biswas Family Trust u/a/d 7/13/2012, over which the Reporting Person has voting or investment power (the "Biswas Family Trust").

F4 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $47.21 to $48.08, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · ownership.nature: Consists of shares held by the Biswas Family Trust.

SEC source: 0001415889-24-029145 · form4-12122024_101212.xml · nonDerivative · entry 1

Biswas Sanjit · CIK 0001895111 · Director · CHIEF EXECUTVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 39,554

F1 · kind: The sales were effected pursuant to a Rule 10b5-1 trading plan adopted on September 29, 2023 by SB and HB, Co-Trustees of the Biswas Family Trust u/a/d 7/13/2012, over which the Reporting Person has voting or investment power (the "Biswas Family Trust").

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $46.21 to $47.205, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · ownership.nature: Consists of shares held by the Biswas Family Trust.

SEC source: 0001415889-24-029149 · form4-12122024_101230.xml · nonDerivative · entry 2

Munk James Andrew · CIK 0001794991 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205,374

F1 · kind: These shares were disposed of in non-discretionary transactions to cover the Reporting Person's tax withholding obligations in connection with the settlement of awards of restricted stock units (RSUs).

F5 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $46.40 to $46.71, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · balance_after: Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

SEC source: 0001415889-24-029149 · form4-12122024_101230.xml · nonDerivative · entry 1

Munk James Andrew · CIK 0001794991 · CHIEF ACCOUNTING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205,514

F1 · kind: These shares were disposed of in non-discretionary transactions to cover the Reporting Person's tax withholding obligations in connection with the settlement of awards of restricted stock units (RSUs).

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $45.14 to $46.11, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · balance_after: Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

F4 · balance_after: The number of shares held reflects the transfer of 96,132 shares of Class A Common Stock from the Reporting Person to Munk Family 1999 Trust U/A DTD 09/30/1999, over which the Reporting Person has voting or investment power (the "Munk Family Trust").

SEC source: 0001415889-24-029147 · form4-12122024_101242.xml · nonDerivative · entry 3

Caimi Lara · CIK 0001868796 · PRESIDENT, WORLDWIDE FIELD OPS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,011,469

F1 · kind: These shares were disposed of in non-discretionary transactions to cover the Reporting Person's tax withholding obligations in connection with the settlement of awards of restricted stock units (RSUs).

F5 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $47.30 to $47.32, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · balance_after: Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

SEC source: 0001415889-24-029147 · form4-12122024_101242.xml · nonDerivative · entry 2

Caimi Lara · CIK 0001868796 · PRESIDENT, WORLDWIDE FIELD OPS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,011,669

F1 · kind: These shares were disposed of in non-discretionary transactions to cover the Reporting Person's tax withholding obligations in connection with the settlement of awards of restricted stock units (RSUs).

F4 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $46.10 to $47.08, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · balance_after: Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

SEC source: 0001415889-24-029147 · form4-12122024_101242.xml · nonDerivative · entry 1

Caimi Lara · CIK 0001868796 · PRESIDENT, WORLDWIDE FIELD OPS

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,012,880

F1 · kind: These shares were disposed of in non-discretionary transactions to cover the Reporting Person's tax withholding obligations in connection with the settlement of awards of restricted stock units (RSUs).

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $45.08 to $46.00, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · balance_after: Certain of these securities are RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

SEC source: 0001415889-24-028657 · form4-12092024_041201.xml · derivative · entry 8

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

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

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

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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 2,984,699

Underlying: Class A Common Stock · 994,901 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.

F11 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F6 · ownership.nature: These shares are held of record by AH Parallel IV, for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel"), the general partner of the AH Parallel Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund IV Entities.

F7 · ownership.nature: (Continued from Footnote 6) Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028657 · form4-12092024_041201.xml · derivative · entry 7

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

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

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

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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 32,847,046

Underlying: Class A Common Stock · 10,949,016 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.

F11 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F4 · ownership.nature: These shares are held of record by AH IV, for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P., and Andreessen Horowitz Fund IV-Q, L.P. (collectively, the "AH Fund IV Entities"). AH Equity Partners IV, L.L.C. ("AH EP IV"), the general partner of the AH Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Fund IV Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV and may be deemed to have shared voting and dispositive power over the shares held by the AH Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028657 · form4-12092024_041201.xml · derivative · 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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 6,994,851

Underlying: Class A Common Stock · 2,401,999 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.

F11 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F2 · ownership.nature: These shares are held of record by AH LSV I, 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, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over 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 such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028657 · form4-12092024_041201.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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 994,901

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

F5 · ownership.direct: Promptly following the conversion of Class B Common Stock to Class A Common Stock of the Issuer, AH Parallel Fund IV, L.P. ("AH Parallel IV") plans to distribute in-kind on a pro-rata basis, without consideration, a total of 994,901 shares of Class A Common Stock of the Issuer to its general and limited partners.

F6 · ownership.nature: These shares are held of record by AH Parallel IV, for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel"), the general partner of the AH Parallel Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund IV Entities.

F7 · ownership.nature: (Continued from Footnote 6) Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028657 · form4-12092024_041201.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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 10,949,016

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

F3 · ownership.direct: Promptly following the conversion of Class B Common Stock to Class A Common Stock of the Issuer, Andreessen Horowitz Fund IV, L.P. ("AH IV") plans to distribute in-kind on a pro-rata basis, without consideration, a total of 10,949,016 shares of Class A Common Stock of the Issuer to its general and limited partners.

F4 · ownership.nature: These shares are held of record by AH IV, for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P., and Andreessen Horowitz Fund IV-Q, L.P. (collectively, the "AH Fund IV Entities"). AH Equity Partners IV, L.L.C. ("AH EP IV"), the general partner of the AH Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Fund IV Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV and may be deemed to have shared voting and dispositive power over the shares held by the AH Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028657 · form4-12092024_041201.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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 2,401,999

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 · ownership.direct: Promptly following the conversion of Class B Common Stock to Class A Common Stock of the Issuer, Andreessen Horowitz LSV Fund I, L.P. ("AH LSV I") plans to distribute in-kind on a pro-rata basis, without consideration, a total of 2,401,999 shares of Class A Common Stock of the Issuer to its general and limited partners.

F2 · ownership.nature: These shares are held of record by AH LSV I, 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, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over 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 such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028659 · form4-12092024_041206.xml · derivative · entry 8

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 2,984,699

Underlying: Class A Common Stock · 994,901 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.

F11 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F6 · ownership.nature: These shares are held of record by AH Parallel IV, for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel"), the general partner of the AH Parallel Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund IV Entities.

F7 · ownership.nature: (Continued from Footnote 6) Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028659 · form4-12092024_041206.xml · derivative · entry 7

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 32,847,046

Underlying: Class A Common Stock · 10,949,016 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.

F11 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F4 · ownership.nature: These shares are held of record by AH IV, for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P., and Andreessen Horowitz Fund IV-Q, L.P. (collectively, the "AH Fund IV Entities"). AH Equity Partners IV, L.L.C. ("AH EP IV"), the general partner of the AH Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Fund IV Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV and may be deemed to have shared voting and dispositive power over the shares held by the AH Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028659 · form4-12092024_041206.xml · derivative · entry 6

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 6,994,851

Underlying: Class A Common Stock · 2,401,999 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.

F11 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F2 · ownership.nature: These shares are held of record by AH LSV I, 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, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over 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 such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028659 · form4-12092024_041206.xml · nonDerivative · entry 3

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 994,901

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

F5 · ownership.direct: Promptly following the conversion of Class B Common Stock to Class A Common Stock of the Issuer, AH Parallel Fund IV, L.P. ("AH Parallel IV") plans to distribute in-kind on a pro-rata basis, without consideration, a total of 994,901 shares of Class A Common Stock of the Issuer to its general and limited partners.

F6 · ownership.nature: These shares are held of record by AH Parallel IV, for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel"), the general partner of the AH Parallel Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund IV Entities.

F7 · ownership.nature: (Continued from Footnote 6) Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028659 · form4-12092024_041206.xml · nonDerivative · entry 2

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 10,949,016

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

F3 · ownership.direct: Promptly following the conversion of Class B Common Stock to Class A Common Stock of the Issuer, Andreessen Horowitz Fund IV, L.P. ("AH IV") plans to distribute in-kind on a pro-rata basis, without consideration, a total of 10,949,016 shares of Class A Common Stock of the Issuer to its general and limited partners.

F4 · ownership.nature: These shares are held of record by AH IV, for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P., and Andreessen Horowitz Fund IV-Q, L.P. (collectively, the "AH Fund IV Entities"). AH Equity Partners IV, L.L.C. ("AH EP IV"), the general partner of the AH Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Fund IV Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV and may be deemed to have shared voting and dispositive power over the shares held by the AH Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028659 · form4-12092024_041206.xml · nonDerivative · entry 1

Andreessen Horowitz LSV Fund III, L.P. · CIK 0001889367 · 10% owner

Andreessen Horowitz LSV Fund III-B, L.P. · CIK 0001894619 · 10% owner

AH 2022 Annual Fund, L.P. · CIK 0001894744 · 10% owner

AH Equity Partners LSV III, L.L.C. · CIK 0001889893 · 10% owner

AH Equity Partners 2022 Annual Fund, L.L.C. · CIK 0001894740 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 2,401,999

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 · ownership.direct: Promptly following the conversion of Class B Common Stock to Class A Common Stock of the Issuer, Andreessen Horowitz LSV Fund I, L.P. ("AH LSV I") plans to distribute in-kind on a pro-rata basis, without consideration, a total of 2,401,999 shares of Class A Common Stock of the Issuer to its general and limited partners.

F2 · ownership.nature: These shares are held of record by AH LSV I, 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, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over 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 such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028658 · form4-12092024_041204.xml · derivative · entry 8

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 2,984,699

Underlying: Class A Common Stock · 994,901 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.

F11 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F6 · ownership.nature: These shares are held of record by AH Parallel IV, for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel"), the general partner of the AH Parallel Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund IV Entities.

F7 · ownership.nature: (Continued from Footnote 6) Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028658 · form4-12092024_041204.xml · derivative · entry 7

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 32,847,046

Underlying: Class A Common Stock · 10,949,016 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.

F11 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F4 · ownership.nature: These shares are held of record by AH IV, for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P., and Andreessen Horowitz Fund IV-Q, L.P. (collectively, the "AH Fund IV Entities"). AH Equity Partners IV, L.L.C. ("AH EP IV"), the general partner of the AH Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Fund IV Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV and may be deemed to have shared voting and dispositive power over the shares held by the AH Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028658 · form4-12092024_041204.xml · derivative · entry 6

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 6,994,851

Underlying: Class A Common Stock · 2,401,999 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.

F11 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F11 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F2 · ownership.nature: These shares are held of record by AH LSV I, 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, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over 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 such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028658 · form4-12092024_041204.xml · nonDerivative · entry 3

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 994,901

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

F5 · ownership.direct: Promptly following the conversion of Class B Common Stock to Class A Common Stock of the Issuer, AH Parallel Fund IV, L.P. ("AH Parallel IV") plans to distribute in-kind on a pro-rata basis, without consideration, a total of 994,901 shares of Class A Common Stock of the Issuer to its general and limited partners.

F6 · ownership.nature: These shares are held of record by AH Parallel IV, for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel"), the general partner of the AH Parallel Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund IV Entities.

F7 · ownership.nature: (Continued from Footnote 6) Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028658 · form4-12092024_041204.xml · nonDerivative · entry 2

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 10,949,016

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

F3 · ownership.direct: Promptly following the conversion of Class B Common Stock to Class A Common Stock of the Issuer, Andreessen Horowitz Fund IV, L.P. ("AH IV") plans to distribute in-kind on a pro-rata basis, without consideration, a total of 10,949,016 shares of Class A Common Stock of the Issuer to its general and limited partners.

F4 · ownership.nature: These shares are held of record by AH IV, for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P., and Andreessen Horowitz Fund IV-Q, L.P. (collectively, the "AH Fund IV Entities"). AH Equity Partners IV, L.L.C. ("AH EP IV"), the general partner of the AH Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Fund IV Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV and may be deemed to have shared voting and dispositive power over the shares held by the AH Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028658 · form4-12092024_041204.xml · nonDerivative · entry 1

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Parallel Fund V, L.P. · CIK 0001675240 · 10% owner

AH Parallel Fund V-A, L.P. · CIK 0001675233 · 10% owner

AH Parallel Fund V-B, L.P. · CIK 0001675234 · 10% owner

AH Parallel Fund V-Q, L.P. · CIK 0001675235 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

AH Equity Partners V (Parallel), L.L.C. · CIK 0001675230 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 2,401,999

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 · ownership.direct: Promptly following the conversion of Class B Common Stock to Class A Common Stock of the Issuer, Andreessen Horowitz LSV Fund I, L.P. ("AH LSV I") plans to distribute in-kind on a pro-rata basis, without consideration, a total of 2,401,999 shares of Class A Common Stock of the Issuer to its general and limited partners.

F2 · ownership.nature: These shares are held of record by AH LSV I, 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, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over 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 such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-029039 · form4-12122024_021231.xml · derivative · entry 21

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 2,984,699

Underlying: Class A Common Stock · 994,901 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.

F22 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F22 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F22 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F3 · ownership.nature: These shares are held of record by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel"), the general partner of the AH Parallel Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The Reporting Person and Benjamin Horowitz are the managing members of AH EP IV Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund IV 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: 0001415889-24-029039 · form4-12122024_021231.xml · derivative · entry 20

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 32,847,046

Underlying: Class A Common Stock · 10,949,016 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.

F22 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F22 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F22 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F2 · ownership.nature: These shares are held of record by Andreessen Horowitz Fund IV, L.P., for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P., and Andreessen Horowitz Fund IV-Q, L.P. (collectively, the "AH Fund IV Entities"). AH Equity Partners IV, L.L.C. ("AH EP IV"), the general partner of the AH Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Fund IV Entities. The Reporting Person and Benjamin Horowitz are the managing members of AH EP IV and may be deemed to have shared voting and dispositive power over the shares held by the AH Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund IV 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: 0001415889-24-029039 · form4-12122024_021231.xml · derivative · entry 19

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 6,994,851

Underlying: Class A Common Stock · 2,401,999 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.

F22 · derivative.exercise_price: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F22 · derivative.exercise_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F22 · derivative.expiration_date: The Class B Common Stock is convertible at any time, at the holder's election, into Class A Common Stock on a 1:1 basis, and has no expiration date.

F1 · ownership.nature: These shares are held of record 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, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over 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: 0001415889-24-029039 · form4-12122024_021231.xml · nonDerivative · entry 8

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 36,129

F8 · kind: These shares were acquired pursuant to the AH LSV Fund I Distribution, the AH Fund IV Distribution and the AH Parallel Fund IV Distribution. The acquisition of such shares 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.

F10 · ownership.nature: These shares are held of record by AH Capital Management, L.L.C. ("AH Capital"). The members of AH Capital are the Reporting Person and Benjamin Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital 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: 0001415889-24-029039 · form4-12122024_021231.xml · nonDerivative · entry 7

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By LAMA Community Trust

Disclosed balance after: 1,748,857

F8 · kind: These shares were acquired pursuant to the AH LSV Fund I Distribution, the AH Fund IV Distribution and the AH Parallel Fund IV Distribution. The acquisition of such shares 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.

F9 · ownership.nature: These shares are held of record by the LAMA Community Trust, of which the Reporting Person is a trustee.

SEC source: 0001415889-24-029039 · form4-12122024_021231.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F7 · kind: On December 9, 2024, the AH Parallel Fund IV Entities distributed, for no consideration, 994,901 shares of the Issuer's Class A Common Stock (the "AH Parallel Fund IV Shares") to their limited partners and to AH EP IV Parallel, the general partner of the AH Parallel Fund IV Entities, representing each such partner's pro rata interest in such AH Parallel Fund IV Shares. On the same date, AH EP IV Parallel distributed, for no consideration, the AH Parallel Fund IV Shares it received in the distribution to its members, representing each such member's pro rata interest in such AH Parallel Fund IV Shares. The aforementioned distributions are collectively referred to herein as the "AH Parallel Fund IV Distribution."

F3 · ownership.nature: These shares are held of record by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel"), the general partner of the AH Parallel Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The Reporting Person and Benjamin Horowitz are the managing members of AH EP IV Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund IV 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: 0001415889-24-029039 · form4-12122024_021231.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F6 · kind: On December 9, 2024, the AH Fund IV Entities distributed, for no consideration, 10,949,016 shares of the Issuer's Class A Common Stock (the "AH Fund IV Shares") to their limited partners and to AH EP IV, the general partner of the AH Fund IV Entities, representing each such partner's pro rata interest in such AH Fund IV Shares. On the same date, AH EP IV distributed, for no consideration, the AH Fund IV Shares it received in the distribution to its members, representing each such member's pro rata interest in such AH Fund IV Shares. The aforementioned distributions are collectively referred to herein as the "AH Fund IV Distribution."

F2 · ownership.nature: These shares are held of record by Andreessen Horowitz Fund IV, L.P., for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P., and Andreessen Horowitz Fund IV-Q, L.P. (collectively, the "AH Fund IV Entities"). AH Equity Partners IV, L.L.C. ("AH EP IV"), the general partner of the AH Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Fund IV Entities. The Reporting Person and Benjamin Horowitz are the managing members of AH EP IV and may be deemed to have shared voting and dispositive power over the shares held by the AH Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund IV 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: 0001415889-24-029039 · form4-12122024_021231.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F5 · kind: On December 9, 2024, the AH LSV Fund I Entities distributed, for no consideration, 2,401,999 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, 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 to its members, representing each such member's pro rata interest in such AH LSV Fund I Shares. The aforementioned distributions are collectively referred to herein as the "AH LSV Fund I Distribution."

F1 · ownership.nature: These shares are held of record 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, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over 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: 0001415889-24-029039 · form4-12122024_021231.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 994,901

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

F3 · ownership.nature: These shares are held of record by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel"), the general partner of the AH Parallel Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund IV Entities.

F4 · ownership.nature: (Continued from Footnote 3) The Reporting Person and Benjamin Horowitz are the managing members of AH EP IV Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund IV 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: 0001415889-24-029039 · form4-12122024_021231.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 10,949,016

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 · ownership.nature: These shares are held of record by Andreessen Horowitz Fund IV, L.P., for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P., and Andreessen Horowitz Fund IV-Q, L.P. (collectively, the "AH Fund IV Entities"). AH Equity Partners IV, L.L.C. ("AH EP IV"), the general partner of the AH Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Fund IV Entities. The Reporting Person and Benjamin Horowitz are the managing members of AH EP IV and may be deemed to have shared voting and dispositive power over the shares held by the AH Fund IV Entities. The Reporting Person disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund IV 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: 0001415889-24-029039 · form4-12122024_021231.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 2,401,999

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 · ownership.nature: These shares are held of record 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, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. The Reporting Person and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over 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: 0001415889-24-029043 · form4-12122024_021202.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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 36,129

F8 · kind: These shares were acquired pursuant to the AH LSV Fund I Distribution, the AH Fund IV Distribution and the AH Parallel Fund IV Distribution. The acquisition of such shares 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.

F10 · ownership.nature: These shares are held of record by AH Capital Management, L.L.C. ("AH Capital"). The members of AH Capital are Marc Andreessen and Benjamin Horowitz, who share voting and dispositive power with respect to the shares held by AH Capital. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by AH Capital 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: 0001415889-24-029043 · form4-12122024_021202.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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By The 1997 Horowitz Family Trust

Disclosed balance after: 1,659,115

F8 · kind: These shares were acquired pursuant to the AH LSV Fund I Distribution, the AH Fund IV Distribution and the AH Parallel Fund IV Distribution. The acquisition of such shares 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.

F9 · ownership.nature: These shares are held of record by The 1997 Horowitz Family Trust, of which Benjamin Horowitz is a trustee. Each of the Reporting Persons disclaims the existence of a "group" and, other than Benjamin 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: 0001415889-24-029043 · form4-12122024_021202.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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F5 · kind: On December 9, 2024, the AH Parallel Fund IV Entities (as defined below) distributed, for no consideration, 994,901 shares of the Issuer's Class A Common Stock (the "AH Parallel Fund IV Shares") to their limited partners and to AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel"), the general partner of the AH Parallel Fund IV Entities, representing each such partner's pro rata interest in such AH Parallel Fund IV Shares. On the same date, AH EP IV Parallel distributed, for no consideration, the AH Parallel Fund IV Shares it received in the distribution to its members, representing each such member's pro rata interest in such AH Parallel Fund IV Shares. The aforementioned distributions are collectively referred to herein as the "AH Parallel Fund IV Distribution."

F6 · ownership.nature: These shares are held of record by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH EP IV Parallel, the general partner of the AH Parallel Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Parallel Fund IV Entities.

F7 · ownership.nature: (Continued from Footnote 6) Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV Parallel and may be deemed to have shared voting and dispositive power over the shares held by the AH Parallel Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Parallel Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-029043 · form4-12122024_021202.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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F3 · kind: On December 9, 2024, the AH Fund IV Entities (as defined below) distributed, for no consideration, 10,949,016 shares of the Issuer's Class A Common Stock (the "AH Fund IV Shares") to their limited partners and to AH Equity Partners IV, L.L.C. ("AH EP IV"), the general partner of the AH Fund IV Entities, representing each such partner's pro rata interest in such AH Fund IV Shares. On the same date, AH EP IV distributed, for no consideration, the AH Fund IV Shares it received in the distribution to its members, representing each such member's pro rata interest in such AH Fund IV Shares. The aforementioned distributions are collectively referred to herein as the "AH Fund IV Distribution."

F4 · ownership.nature: These shares are held of record by Andreessen Horowitz Fund IV, L.P., for itself and as nominee for Andreessen Horowitz Fund IV-A, L.P., Andreessen Horowitz Fund IV-B, L.P., and Andreessen Horowitz Fund IV-Q, L.P. (collectively, the "AH Fund IV Entities"). AH EP IV, the general partner of the AH Fund IV Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH Fund IV Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP IV and may be deemed to have shared voting and dispositive power over the shares held by the AH Fund IV Entities. Each of the Reporting Persons disclaims the existence of a "group" and disclaims beneficial ownership of the securities held by the AH Fund IV Entities and this report shall not be deemed an admission that such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-029043 · form4-12122024_021202.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

Andreessen Horowitz Fund IV, L.P. · CIK 0001603198 · 10% owner

Andreessen Horowitz Fund IV-A, L.P. · CIK 0001604853 · 10% owner

Andreessen Horowitz Fund IV-B, L.P. · CIK 0001604855 · 10% owner

Andreessen Horowitz Fund IV-Q, L.P. · CIK 0001604857 · 10% owner

AH Equity Partners IV, L.L.C. · CIK 0001603403 · 10% owner

HOROWITZ BENJAMIN A · CIK 0001166586 · 10% owner

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

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F1 · kind: On December 9, 2024, the AH LSV Fund I Entities (as defined below) distributed, for no consideration, 2,401,999 shares of the Issuer's Class A Common Stock (the "AH LSV Fund I Shares") to their limited partners and to AH Equity Partners LSV I, L.L.C. ("AH EP LSV I"), 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 to its members, representing each such member's pro rata interest in such AH LSV Fund I Shares. The aforementioned distributions are collectively referred to herein as the "AH LSV Fund I Distribution."

F2 · ownership.nature: These shares are held of record 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 EP LSV I, the general partner of the AH LSV Fund I Entities, may be deemed to have sole voting and dispositive power over the shares held by the AH LSV Fund I Entities. Marc Andreessen and Benjamin Horowitz are the managing members of AH EP LSV I and may be deemed to have shared voting and dispositive power over 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 such person is the beneficial owner of such securities, except to the extent of such person's pecuniary interest therein, if any.

SEC source: 0001415889-24-028990 · form4-12112024_101232.xml · nonDerivative · entry 2

Phillips Dominic · CIK 0001895148 · SEE REMARKS

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 882,664

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted December 21, 2023.

F5 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $50.97 to $51.45, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · balance_after: Certain of these securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

SEC source: 0001415889-24-028990 · form4-12112024_101232.xml · nonDerivative · entry 1

Phillips Dominic · CIK 0001895148 · SEE REMARKS

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 884,264

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted December 21, 2023.

F2 · price: The "Amount" and "Price" reported in this Column 4 reflect the aggregate number and weighted-average price, respectively, of shares sold. These shares were sold in multiple transactions at prices ranging from $49.93 to $50.88, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein.

F3 · balance_after: Certain of these securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU.

F4 · balance_after: The number of shares held reflects the transfer of 20,136 shares of Class A Common Stock from The Phillips Family Trust dated 5/9/2013, of which the Reporting Person and his spouse serve as trustees (the "Phillips Family Trust"), to the Reporting Person.