ZIP

SEC source: 0001859449-25-000006 · wk-form4_1767131804.xml · derivative · entry 3

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 223,388 shares

Expires 2026-02-03

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

F2 · derivative.exercise_date: The stock option is fully vested.

SEC source: 0001859449-25-000006 · wk-form4_1767131804.xml · nonDerivative · entry 2

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,232,665

SEC source: 0001859449-25-000006 · wk-form4_1767131804.xml · nonDerivative · entry 1

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,372,912

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock.

SEC source: 0001859448-25-000008 · wk-form4_1766444654.xml · nonDerivative · entry 3

SIEGEL IAN H. · CIK 0001859448 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 91,958

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 9, 2024.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.48 to $4.65 per share, 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 herein.

F3 · ownership.nature: Represents shares held by the Siegel Family Trust, of which the Reporting Person and Rochelle Siegel are co-trustees.

SEC source: 0001859446-25-000007 · wk-form4_1766529760.xml · nonDerivative · entry 1

SHIMANOVSKY BORIS F. · CIK 0001859446 · EVP, Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 341,937

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 10, 2024.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.48 to $4.67 per share, 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 herein.

SEC source: 0001859448-25-000008 · wk-form4_1766444654.xml · nonDerivative · entry 2

SIEGEL IAN H. · CIK 0001859448 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 101,680

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 9, 2024.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.485 to $4.795 per share, 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 herein.

F3 · ownership.nature: Represents shares held by the Siegel Family Trust, of which the Reporting Person and Rochelle Siegel are co-trustees.

SEC source: 0001861460-25-000008 · wk-form4_1766444543.xml · nonDerivative · entry 1

Garefis Amy · CIK 0001861460 · EVP, Chief People Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 214,425

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 10, 2024.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.66 to $4.79 per share, 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 herein.

SEC source: 0001859448-25-000008 · wk-form4_1766444654.xml · nonDerivative · entry 1

SIEGEL IAN H. · CIK 0001859448 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 111,402

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 9, 2024.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.645 to $4.845 per share, 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 herein.

F3 · ownership.nature: Represents shares held by the Siegel Family Trust, of which the Reporting Person and Rochelle Siegel are co-trustees.

SEC source: 0001859449-25-000005 · wk-form4_1766444502.xml · nonDerivative · entry 1

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,149,524

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 13, 2024.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.655 to $4.845 per share, 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 herein.

SEC source: 0001859442-25-000006 · wk-form4_1766016182.xml · nonDerivative · entry 5

SAKAMOTO RYAN T. · CIK 0001859442 · EVP, Chief Legal Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 120,767

F2 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 11, 2024.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.71 to $4.86 per share, 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 herein.

SEC source: 0001861460-25-000007 · wk-form4_1766017369.xml · derivative · entry 9

Garefis Amy · CIK 0001861460 · EVP, Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,086

Underlying: Class A Common Stock · 5,841 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F7 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2025 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001861460-25-000007 · wk-form4_1766017369.xml · derivative · entry 8

Garefis Amy · CIK 0001861460 · EVP, Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,424

Underlying: Class A Common Stock · 4,553 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F6 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2024 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001861460-25-000007 · wk-form4_1766017369.xml · derivative · entry 7

Garefis Amy · CIK 0001861460 · EVP, Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,011

Underlying: Class A Common Stock · 1,337 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F5 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2023 until fully vested, with the first two vesting tranches scheduled to settle on March 15, 2023, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001861460-25-000007 · wk-form4_1766017369.xml · derivative · entry 6

Garefis Amy · CIK 0001861460 · EVP, Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,948

Underlying: Class A Common Stock · 5,237 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F3 · derivative.exercise_date: The RSUs vest and are scheduled to settle as of 1/16 of the total shares quarterly beginning on March 15, 2023 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001861460-25-000007 · wk-form4_1766017369.xml · nonDerivative · entry 5

Garefis Amy · CIK 0001861460 · EVP, Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 216,957

F1 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units (the "RSUs"). The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes.

SEC source: 0001861460-25-000007 · wk-form4_1766017369.xml · nonDerivative · entry 4

Garefis Amy · CIK 0001861460 · EVP, Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,722

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

SEC source: 0001861460-25-000007 · wk-form4_1766017369.xml · nonDerivative · entry 3

Garefis Amy · CIK 0001861460 · EVP, Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 219,881

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

SEC source: 0001861460-25-000007 · wk-form4_1766017369.xml · nonDerivative · entry 2

Garefis Amy · CIK 0001861460 · EVP, Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 215,328

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

SEC source: 0001861460-25-000007 · wk-form4_1766017369.xml · nonDerivative · entry 1

Garefis Amy · CIK 0001861460 · EVP, Chief People Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 213,991

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

SEC source: 0001974890-25-000004 · wk-form4_1766017668.xml · derivative · entry 9

Bartolome Lora · CIK 0001974890 · SVP, ACCOUNTING & CONTROLLER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,900

Underlying: Class A Common Stock · 1,825 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F7 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2025 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001974890-25-000004 · wk-form4_1766017668.xml · derivative · entry 8

Bartolome Lora · CIK 0001974890 · SVP, ACCOUNTING & CONTROLLER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,248

Underlying: Class A Common Stock · 2,156 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F6 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2024 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001974890-25-000004 · wk-form4_1766017668.xml · derivative · entry 7

Bartolome Lora · CIK 0001974890 · SVP, ACCOUNTING & CONTROLLER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,324

Underlying: Class A Common Stock · 1,581 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F5 · derivative.exercise_date: The RSUs vest quarterly in 15 substantially equal increments beginning June 15, 2023, with the RSUs becoming fully vested on December 15, 2026, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001974890-25-000004 · wk-form4_1766017668.xml · derivative · entry 6

Bartolome Lora · CIK 0001974890 · SVP, ACCOUNTING & CONTROLLER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,563 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F3 · derivative.exercise_date: The RSUs vest quarterly in 11 substantially equal increments beginning June 15, 2023, with the RSUs becoming fully vested on December 15, 2025, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001974890-25-000004 · wk-form4_1766017668.xml · nonDerivative · entry 5

Bartolome Lora · CIK 0001974890 · SVP, ACCOUNTING & CONTROLLER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,047

F1 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units (the "RSUs"). The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes.

SEC source: 0001974890-25-000004 · wk-form4_1766017668.xml · nonDerivative · entry 4

Bartolome Lora · CIK 0001974890 · SVP, ACCOUNTING & CONTROLLER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,729

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

SEC source: 0001974890-25-000004 · wk-form4_1766017668.xml · nonDerivative · entry 3

Bartolome Lora · CIK 0001974890 · SVP, ACCOUNTING & CONTROLLER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,904

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

SEC source: 0001974890-25-000004 · wk-form4_1766017668.xml · nonDerivative · entry 2

Bartolome Lora · CIK 0001974890 · SVP, ACCOUNTING & CONTROLLER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,748

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

SEC source: 0001974890-25-000004 · wk-form4_1766017668.xml · nonDerivative · entry 1

Bartolome Lora · CIK 0001974890 · SVP, ACCOUNTING & CONTROLLER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,167

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

SEC source: 0001859446-25-000006 · wk-form4_1766017158.xml · derivative · entry 7

SHIMANOVSKY BORIS F. · CIK 0001859446 · EVP, Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 245,324

Underlying: Class A Common Stock · 20,444 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F6 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2025 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001859446-25-000006 · wk-form4_1766017158.xml · derivative · entry 6

SHIMANOVSKY BORIS F. · CIK 0001859446 · EVP, Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,648

Underlying: Class A Common Stock · 11,206 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F5 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2024 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001859446-25-000006 · wk-form4_1766017158.xml · derivative · entry 5

SHIMANOVSKY BORIS F. · CIK 0001859446 · EVP, Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,560

Underlying: Class A Common Stock · 7,140 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F3 · derivative.exercise_date: The RSUs vest and are scheduled to settle as to 1/16 of the total shares quarterly beginning on March 15, 2023 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001859446-25-000006 · wk-form4_1766017158.xml · nonDerivative · entry 4

SHIMANOVSKY BORIS F. · CIK 0001859446 · EVP, Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 345,826

F1 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units (the "RSUs"). The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes.

SEC source: 0001859446-25-000006 · wk-form4_1766017158.xml · nonDerivative · entry 3

SHIMANOVSKY BORIS F. · CIK 0001859446 · EVP, Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 364,770

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

SEC source: 0001859446-25-000006 · wk-form4_1766017158.xml · nonDerivative · entry 2

SHIMANOVSKY BORIS F. · CIK 0001859446 · EVP, Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 344,326

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

SEC source: 0001859446-25-000006 · wk-form4_1766017158.xml · nonDerivative · entry 1

SHIMANOVSKY BORIS F. · CIK 0001859446 · EVP, Chief Technology Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 333,120

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

SEC source: 0001859448-25-000007 · wk-form4_1766017025.xml · derivative · entry 6

SIEGEL IAN H. · CIK 0001859448 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 306,672

Underlying: Class A Common Stock · 25,557 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.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F3 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F6 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2025 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001859448-25-000007 · wk-form4_1766017025.xml · derivative · entry 5

SIEGEL IAN H. · CIK 0001859448 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 206,896

Underlying: Class A Common Stock · 25,863 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.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F3 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F4 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2024 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001859448-25-000007 · wk-form4_1766017025.xml · nonDerivative · entry 3

SIEGEL IAN H. · CIK 0001859448 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 195,628

F1 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units (the "RSUs"). The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes.

SEC source: 0001859448-25-000007 · wk-form4_1766017025.xml · nonDerivative · entry 2

SIEGEL IAN H. · CIK 0001859448 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 221,123

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

SEC source: 0001859448-25-000007 · wk-form4_1766017025.xml · nonDerivative · entry 1

SIEGEL IAN H. · CIK 0001859448 · Director · CHIEF EXECUTIVE OFFICER · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 195,566

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

SEC source: 0001859449-25-000004 · wk-form4_1766016832.xml · derivative · entry 7

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 245,324

Underlying: Class A Common Stock · 20,444 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F6 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2025 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001859449-25-000004 · wk-form4_1766016832.xml · derivative · entry 6

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,522

Underlying: Class A Common Stock · 20,691 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F5 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2024 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001859449-25-000004 · wk-form4_1766016832.xml · derivative · entry 5

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,386

Underlying: Class A Common Stock · 13,347 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F2 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F3 · derivative.exercise_date: The RSUs vest and are scheduled to settle as to 1/16 of the total shares quarterly beginning on March 15, 2023 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F4 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001859449-25-000004 · wk-form4_1766016832.xml · nonDerivative · entry 4

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,165,402

F1 · kind: Exempt transaction pursuant to Section 16b-3(e) - payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of in this Form 4 were relinquished by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of restricted stock units (the "RSUs"). The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes.

SEC source: 0001859449-25-000004 · wk-form4_1766016832.xml · nonDerivative · entry 3

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,194,469

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

SEC source: 0001859449-25-000004 · wk-form4_1766016832.xml · nonDerivative · entry 2

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,174,025

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

SEC source: 0001859449-25-000004 · wk-form4_1766016832.xml · nonDerivative · entry 1

TRAVERS DAVID · CIK 0001859449 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,153,334

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

SEC source: 0001859451-25-000008 · wk-form4_1766016623.xml · derivative · entry 8

YARBROUGH TIMOTHY G. · CIK 0001859451 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 157,724

Underlying: Class A Common Stock · 13,144 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.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F3 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F7 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2025 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001859451-25-000008 · wk-form4_1766016623.xml · derivative · entry 7

YARBROUGH TIMOTHY G. · CIK 0001859451 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,574

Underlying: Class A Common Stock · 11,072 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.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F3 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F6 · derivative.exercise_date: The RSUs vest as to 1/16 of the total shares quarterly beginning on March 15, 2024 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.

SEC source: 0001859451-25-000008 · wk-form4_1766016623.xml · derivative · entry 6

YARBROUGH TIMOTHY G. · CIK 0001859451 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,312

Underlying: Class A Common Stock · 11,578 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.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F3 · price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement.

F4 · derivative.exercise_date: The RSUs vest and are scheduled to settle as to 1/16 of the total shares quarterly beginning on March 15, 2023 until fully vested, subject to the Reporting Person's continued service to the Issuer on each vesting date.

F5 · derivative.expiration_date: RSUs do not expire; they either vest or are canceled prior to vesting date.