RIVN

SEC source: 0001943929-26-000005 · wk-form4_1772748582.xml · nonDerivative · entry 1

Venkataratnam Sreela · CIK 0001943929 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 487,573

F1 · shares: Represents an award of 9,852 restricted stock units ("RSUs") which vested on March 4, 2026.

SEC source: 0001262742-26-000004 · wk-form4_1772748631.xml · nonDerivative · entry 2

CALLAHAN MICHAEL JOHN · CIK 0001262742 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 850,057

F2 · shares: 12,453 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with such RSUs vesting.

F3 · price: The closing price of the Company's Class A Common Stock on March 3, 2026.

SEC source: 0001262742-26-000004 · wk-form4_1772748631.xml · nonDerivative · entry 1

CALLAHAN MICHAEL JOHN · CIK 0001262742 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 862,510

F1 · shares: Represents an award of 24,475 restricted stock units ("RSUs") which vested on March 4, 2026.

SEC source: 0001891517-26-000012 · wk-form4_1772748676.xml · nonDerivative · entry 3

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,060,298

F3 · shares: 34,202 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with such RSUs vesting.

F4 · price: The closing price of the Company's Class A Common Stock on March 3, 2026.

SEC source: 0001891517-26-000012 · wk-form4_1772748676.xml · nonDerivative · entry 2

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,094,500

F2 · shares: Represents an award of 67,219 restricted stock units ("RSUs") which vested on March 4, 2026.

SEC source: 0001890925-26-000006 · wk-form4_1772748653.xml · nonDerivative · entry 2

McDonough Claire · CIK 0001890925 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 692,858

F2 · shares: 12,453 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with such RSUs vesting.

F3 · price: The closing price of the Company's Class A Common Stock on March 3, 2026.

SEC source: 0001890925-26-000006 · wk-form4_1772748653.xml · nonDerivative · entry 1

McDonough Claire · CIK 0001890925 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 705,311

F1 · shares: Represents an award of 24,475 restricted stock units ("RSUs") which vested on March 4, 2026.

SEC source: 0001891517-26-000012 · wk-form4_1772748676.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,027,281

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

SEC source: 0001891517-26-000010 · wk-form4_1771454954.xml · nonDerivative · entry 2

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,044,731

F3 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

F4 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $16.49 to $17.07, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001890925-26-000004 · wk-form4_1771454872.xml · nonDerivative · entry 2

McDonough Claire · CIK 0001890925 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 680,836

F3 · kind: The sale reported in this transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 2, 2025, as described in the Issuer's Quarterly Report on Form 10-Q for the three months ended September 30, 2025, filed with the Securities and Exchange Commission on November 4, 2025.

F4 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $16.49 to $17.08, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001943929-26-000003 · wk-form4_1771454790.xml · nonDerivative · entry 1

Venkataratnam Sreela · CIK 0001943929 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 477,721

F1 · shares: 12,073 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 32,666 Restricted Stock Units on February 15, 2026.

F2 · price: The closing price of the Issuer's Class A Common Stock on February 13, 2026.

SEC source: 0001262742-26-000002 · wk-form4_1771454830.xml · nonDerivative · entry 1

CALLAHAN MICHAEL JOHN · CIK 0001262742 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 838,035

F1 · shares: 25,490 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 66,191 Restricted Stock Units on February 15, 2026.

F2 · price: The closing price of the Issuer's Class A Common Stock on February 13, 2026.

SEC source: 0001891517-26-000010 · wk-form4_1771454954.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,079,631

F1 · shares: 35,578 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 86,539 Restricted Stock Units on February 15, 2026.

F2 · price: The closing price of the Issuer's Class A Common Stock on February 13, 2026.

SEC source: 0001890925-26-000004 · wk-form4_1771454872.xml · nonDerivative · entry 1

McDonough Claire · CIK 0001890925 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 707,969

F1 · shares: 22,048 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 59,426 Restricted Stock Units on February 15, 2026.

F2 · price: The closing price of the Issuer's Class A Common Stock on February 13, 2026.

SEC source: 0001891751-26-000002 · wk-form4_1769120618.xml · nonDerivative · entry 1

Schwartz Sanford Harold · CIK 0001891751 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 193,110

F1 · shares: Represents an award of 1,020 restricted stock units ("RSUs"), which vested on January 20, 2026. The Reporting Person has elected to defer the issuance of the shares of the Issuer's Class A Common Stock underlying the RSUs until the Reporting Person's termination of service as a director of the Issuer. The RSUs will settle in shares of the Issuer's Class A Common Stock upon such termination of service.

SEC source: 0001891037-26-000003 · wk-form4_1769120680.xml · nonDerivative · entry 1

Krawiec Peter · CIK 0001891037 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,332

F1 · shares: Represents an award of 658 restricted stock units ("RSUs"), which vested on January 20, 2026. The RSUs settled in shares of the Issuer's Class A Common Stock upon vesting.

SEC source: 0001891517-26-000007 · wk-form4_1769119701.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,115,209

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

F2 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $15.87 to $16.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0002066491-26-000003 · wk-form4_1769120583.xml · nonDerivative · entry 2

Gomez Aidan N. · CIK 0002066491 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,580

F2 · shares: 316 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 658 RSUs on January 20, 2026.

F3 · price: The closing price of the Company's Class A Common Stock on January 16, 2026.

SEC source: 0002066491-26-000003 · wk-form4_1769120583.xml · nonDerivative · entry 1

Gomez Aidan N. · CIK 0002066491 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,896

F1 · acquired: Represents an award of 658 restricted stock units ("RSUs"), which vested on January 20, 2026.

SEC source: 0001891517-26-000005 · wk-form4_1767907070.xml · nonDerivative · entry 2

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,132,659

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

SEC source: 0001891517-26-000005 · wk-form4_1767907070.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,132,759

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

F2 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $19.07 to $20.02, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001253620-26-000002 · wk-form4_1767388458.xml · nonDerivative · entry 1

MARCARIO ROSE M · CIK 0001253620 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,782

F1 · shares: As a result of Ms. Marcario's resignation as a member of the Board of Directors of Rivian Automotive, Inc. effective January 1, 2026 (i) 16,812 unvested Restricted Stock Units ("RSUs") previously granted were forfeited and (ii) the remaining vested RSUs were settled, pursuant to the prior election of Ms. Marcario to defer such RSU settlement until her termination of service as a director.

F1 · balance_after: As a result of Ms. Marcario's resignation as a member of the Board of Directors of Rivian Automotive, Inc. effective January 1, 2026 (i) 16,812 unvested Restricted Stock Units ("RSUs") previously granted were forfeited and (ii) the remaining vested RSUs were settled, pursuant to the prior election of Ms. Marcario to defer such RSU settlement until her termination of service as a director.

SEC source: 0001891517-25-000029 · wk-form4_1767042577.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,150,109

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

F2 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $21.21 to $21.69, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001891037-25-000010 · wk-form4_1766020315.xml · nonDerivative · entry 1

Krawiec Peter · CIK 0001891037 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Peter Krawiec 2025 GRAT

Disclosed balance after: 29,122

F1 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $19.42 to $19.455, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001891517-25-000027 · wk-form4_1765492374.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,167,559

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

F2 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $17.385 to $17.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001890925-25-000008 · wk-form4_1764884123.xml · nonDerivative · entry 2

McDonough Claire · CIK 0001890925 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 730,017

F1 · kind: The sale reported in this transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 2, 2025, as described in the Issuer's Quarterly Report on Form 10-Q for the three months ended September 30, 2025, filed with the Securities and Exchange Commission on November 4, 2025.

SEC source: 0001890925-25-000008 · wk-form4_1764884123.xml · nonDerivative · entry 1

McDonough Claire · CIK 0001890925 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 738,056

F1 · kind: The sale reported in this transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 2, 2025, as described in the Issuer's Quarterly Report on Form 10-Q for the three months ended September 30, 2025, filed with the Securities and Exchange Commission on November 4, 2025.

F2 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $17.055 to $17.215, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001891517-25-000023 · wk-form4_1764364816.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,185,009

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

F2 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $14.90 to $15.33, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001943929-25-000006 · wk-form4_1763503294.xml · nonDerivative · entry 1

Venkataratnam Sreela · CIK 0001943929 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 489,794

F1 · shares: 13,377 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 32,665 Restricted Stock Units on November 15, 2025.

F2 · price: The closing price of the Issuer's Class A Common Stock on August 14, 2025.

SEC source: 0001262742-25-000007 · wk-form4_1763503385.xml · nonDerivative · entry 1

CALLAHAN MICHAEL JOHN · CIK 0001262742 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 863,525

F1 · shares: 33,614 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 66,191 Restricted Stock Units on November 15, 2025.

F2 · price: The closing price of the Issuer's Class A Common Stock on November 14, 2025.

SEC source: 0001891517-25-000021 · wk-form4_1763503489.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,202,459

F1 · shares: 43,946 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 86,539 Restricted Stock Units on November 15, 2025.

F2 · price: The closing price of the Issuer's Class A Common Stock on November 14, 2025.

SEC source: 0001890925-25-000005 · wk-form4_1763503449.xml · nonDerivative · entry 1

McDonough Claire · CIK 0001890925 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 759,266

F1 · shares: 30,179 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 59,428 Restricted Stock Units on November 15, 2025.

F2 · price: The closing price of the Issuer's Class A Common Stock on November 14, 2025.

SEC source: 0001891517-25-000019 · wk-form4_1763070351.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,246,405

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

F2 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $16.23 to $16.90, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001891517-25-000017 · wk-form4_1762549399.xml · derivative · entry 2

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,500,000

Underlying: Class A Common Stock · 36,500,000 shares

Expires 2035-11-06

F3 · derivative.exercise_price: The closing price of the Issuer's Class A Common Stock on November 6, 2025.

F1 · kind: As disclosed in the Issuer's Current Report on Form 8-K as filed with the Securities and Exchange Commission on November 7, 2025 (the "Form 8-K"), the 2021 CEO Performance Award was cancelled in exchange for the granting of the 2025 CEO Award on November 6, 2025. (Defined terms used but not defined herein shall have the meanings ascribed thereto in the Form 8-K.) The time-based option awarded concurrently with the 2021 CEO Performance Award remains outstanding and will continue to vest according to its terms.

F4 · derivative.exercise_date: As disclosed in the Form 8-K, the 2025 CEO Award vests as follows: (i) 22,000,000 shares underlying the stock option vest subject to the per share price of the Issuer's Class A Common Stock exceeding various thresholds, and (ii) 14,500,000 shares underlying the stock option vest upon the Issuer achieving certain financial performance targets, in each case subject to the Reporting Person's continued service in his current role on such vesting date.

SEC source: 0001891517-25-000017 · wk-form4_1762549399.xml · derivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,922,182

Underlying: Class A Common Stock · 20,355,946 shares

Expires 2031-01-19

F1 · kind: As disclosed in the Issuer's Current Report on Form 8-K as filed with the Securities and Exchange Commission on November 7, 2025 (the "Form 8-K"), the 2021 CEO Performance Award was cancelled in exchange for the granting of the 2025 CEO Award on November 6, 2025. (Defined terms used but not defined herein shall have the meanings ascribed thereto in the Form 8-K.) The time-based option awarded concurrently with the 2021 CEO Performance Award remains outstanding and will continue to vest according to its terms.

F2 · derivative.exercise_date: The stock option vests as to 6,785,315 shares underlying the stock option in 6 substantially equal annual installments beginning on the first anniversary of the Issuer's IPO.

SEC source: 0002066491-25-000011 · wk-form4_1761163797.xml · nonDerivative · entry 2

Gomez Aidan N. · CIK 0002066491 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,238

F2 · shares: 414 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 862 RSUs on October 20, 2025.

F3 · price: The closing price of the Company's Class A Common Stock on October 17, 2025.

SEC source: 0002066491-25-000011 · wk-form4_1761163797.xml · nonDerivative · entry 1

Gomez Aidan N. · CIK 0002066491 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,652

F1 · shares: Represents an award of 862 restricted stock units ("RSUs"), which vested on October 20, 2025.

SEC source: 0001891037-25-000006 · wk-form4_1761163703.xml · nonDerivative · entry 1

Krawiec Peter · CIK 0001891037 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,229

F1 · shares: Represents an award of 862 restricted stock units ("RSUs"), which vested on October 20, 2025. The RSUs settled in shares of the Issuer's Class A Common Stock upon vesting.

SEC source: 0001891751-25-000006 · wk-form4_1761163667.xml · nonDerivative · entry 1

Schwartz Sanford Harold · CIK 0001891751 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 192,090

F1 · shares: Represents an award of 1,336 restricted stock units ("RSUs"), which vested on October 20, 2025. The Reporting Person has elected to defer the issuance of the shares of the Issuer's Class A Common Stock underlying the RSUs until the Reporting Person's termination of service as a director of the Issuer. The RSUs will settle in shares of the Issuer's Class A Common Stock upon such termination of service.

SEC source: 0001891517-25-000014 · wk-form4_1759435266.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,298,755

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

F2 · price: The price reported is a weighted average sale price. The shares were sold in multiple transactions at prices ranging from $15.01 to $15.50, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0001891517-25-000011 · wk-form4_1758225671.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,316,205

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

SEC source: 0001891517-25-000008 · wk-form4_1757709055.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,333,655

F1 · kind: The sale reported in this transaction was effected automatically pursuant to a previously disclosed Rule 10b5-1 trading plan adopted on March 14, 2025 and amended on June 11, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q for each such quarter.

SEC source: 0001890925-25-000003 · wk-form4_1755639720.xml · nonDerivative · entry 2

McDonough Claire · CIK 0001890925 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 789,445

F3 · kind: The sale reported in this transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 16, 2024, as described in the Issuer's Quarterly Report on Form 10-Q for the three months ended September 30, 2024, filed with the Securities and Exchange Commission on November 7, 2024.

SEC source: 0001943929-25-000004 · wk-form4_1755639548.xml · nonDerivative · entry 1

Venkataratnam Sreela · CIK 0001943929 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 503,171

F1 · shares: 19,478 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 54,445 Restricted Stock Units on August 15, 2025.

F2 · price: The closing price of the Issuer's Class A Common Stock on August 14, 2025.

SEC source: 0001262742-25-000005 · wk-form4_1755639634.xml · nonDerivative · entry 1

CALLAHAN MICHAEL JOHN · CIK 0001262742 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 897,139

F1 · shares: 33,614 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 66,191 Restricted Stock Units on August 15, 2025.

F2 · price: The closing price of the Issuer's Class A Common Stock on August 14, 2025.

SEC source: 0001891517-25-000005 · wk-form4_1755639789.xml · nonDerivative · entry 1

Scaringe Robert J · CIK 0001891517 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,351,105

F1 · shares: 43,945 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 86,538 Restricted Stock Units on August 15, 2025.

F2 · price: The closing price of the Issuer's Class A Common Stock on August 14, 2025.

SEC source: 0001890925-25-000003 · wk-form4_1755639720.xml · nonDerivative · entry 1

McDonough Claire · CIK 0001890925 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 796,692

F1 · shares: 28,183 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 59,425 Restricted Stock Units on August 15, 2025.

F2 · price: The closing price of the Issuer's Class A Common Stock on August 14, 2025.

SEC source: 0001628280-25-035771 · wk-form4_1753306298.xml · nonDerivative · entry 2

Gomez Aidan N. · CIK 0002066491 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,790

F2 · shares: 329 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 702 RSUs on July 21, 2025.

F3 · price: The closing price of the Company's Class A Common Stock on July 18, 2025.

SEC source: 0001628280-25-035771 · wk-form4_1753306298.xml · nonDerivative · entry 1

Gomez Aidan N. · CIK 0002066491 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,119

F1 · shares: Represents an award of 702 restricted stock units ("RSUs"), which vested on July 21, 2025.

SEC source: 0001891751-25-000004 · wk-form4_1753305243.xml · nonDerivative · entry 1

Schwartz Sanford Harold · CIK 0001891751 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,754

F1 · shares: Represents an award of 1,395 restricted stock units ("RSUs"), which vested on July 21, 2025. The Reporting Person has elected to defer the issuance of the shares of the Issuer's Class A Common Stock underlying the RSUs until the Reporting Person's termination of service as a director of the Issuer. The RSUs will settle in shares of the Issuer's Class A Common Stock upon such termination of service.