Mulvihill Christian

SEC source: 0001628280-26-061879 · wk-form4_1789418981.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 234,475

F1 · date: Represents shares of the Issuer's Class A Common Stock purchased directly from the Issuer by the Reporting Purchaser in connection with the PIPE transaction announced by the Issuer on July 20, 2026, which closed on September 10, 2026.

SEC source: 0001628280-26-049582 · wk-form4_1784923324.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 175,996

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-26-049256 · wk-form4_1784758970.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,734

F1 · date: Represents restricted stock units granted as a one-time equity award in recognition of the Reporting Person's contributions to the Issuer's strategic transformation, including the entry into definitive agreements for the strategic investment announced on July 20, 2026, pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock. The award will vest in its entirety on July 23, 2026.

F2 · balance_after: The amount of securities reflects the correction of a past overstatement of 707 shares of Class A Common Stock beneficially owned by the Reporting Person due to an unidentified reporting error.

SEC source: 0001998358-26-000001 · wk-form4_1773441449.xml · nonDerivative · entry 2

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 156,441

F3 · date: Represents the number of shares withheld to cover the Reporting Person's tax liability in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001998358-26-000001 · wk-form4_1773441449.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,451

F1 · date: This Form 4 is being filed late due to an inadvertent administrative oversight related to the Issuer's migration to a new employee stock administration platform, which delayed the timely reporting of the transaction and was not the result of any error by the Reporting Person.

F2 · date: Represents restricted stock units granted as bonus compensation for fiscal year 2025 pursuant to the Issuer's Third Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and vested immediately.

SEC source: 0001628280-26-005485 · wk-form4_1770241030.xml · nonDerivative · entry 2

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,451

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-26-005485 · wk-form4_1770241030.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,404

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001998358-25-000006 · wk-form4_1760564867.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,409

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001998358-25-000004 · wk-form4_1758153314.xml · nonDerivative · entry 2

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,018

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001998358-25-000004 · wk-form4_1758153314.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,640

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-040260 · wk-form4_1755125815.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,645

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-038108 · wk-form4_1754485185.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,260

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-035062 · wk-form4_1752696267.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,956

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-031412 · wk-form4_1749856348.xml · nonDerivative · entry 2

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,567

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-031412 · wk-form4_1749856348.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,180

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-027543 · wk-form4_1748030510.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,194

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-026819 · wk-form4_1747771226.xml · nonDerivative · entry 2

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,790

F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.3250 to $1.3500.

SEC source: 0001628280-25-026819 · wk-form4_1747771226.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,790

F1 · date: Represents restricted stock units granted as one-time discretionary bonus compensation pursuant to the Issuer's Second Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and vested on May 20, 2025.

SEC source: 0001628280-25-026024 · wk-form4_1747342921.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,053

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-017765 · wk-form4_1744714590.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,671

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-015524 · wk-form4_1743211076.xml · nonDerivative · entry 3

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,289

F2 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-015524 · wk-form4_1743211076.xml · nonDerivative · entry 2

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,697

F2 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-015524 · wk-form4_1743211076.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,642

F1 · date: Represents restricted stock units granted as bonus compensation for fiscal year 2024 pursuant to the Issuer's Second Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock and vested immediately.

SEC source: 0001628280-25-013511 · wk-form4_1742331949.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,127

F1 · kind: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-005548 · wk-form4_1739501967.xml · nonDerivative · entry 3

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,865

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-005548 · wk-form4_1739501967.xml · nonDerivative · entry 2

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,147

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-005548 · wk-form4_1739501967.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,150

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-25-003703 · wk-form4_1738703526.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,575

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.2900 to $1.3000.

SEC source: 0001628280-25-001718 · wk-form4_1737061555.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,522

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-24-051752 · wk-form4_1734477173.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,245

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-24-048020 · wk-form4_1731638642.xml · nonDerivative · entry 2

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,919

F2 · date: Represents restricted stock units granted pursuant to the Issuer's Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock. The restricted stock units vest in twelve approximately equal monthly installments beginning one month after the grant date.

SEC source: 0001628280-24-051751 · wk-form4a_1734477153.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,840

F1 · date: On November 14, 2024, the Reporting Person filed a Form 4 which inadvertently reported that, following the vesting of certain restricted stock units, the Reporting Person sold 1,712 shares at a price of $2.5000 per share on August 1, 2024 in an exempt transaction pursuant to Rule 16b-3 of the Securities Exchange Act of 1934, as amended. In fact, as reported in this amendment, following the vesting of such restricted stock units, on August 2, 2024, the Reporting Person sold on a non-discretionary basis 1,791 shares at a weighted average price of $2.4007, and such shares were sold in multiple transactions at prices ranging from $2.4000 to $2.4200, inclusive.

SEC source: 0001628280-24-048020 · wk-form4_1731638642.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,919

F1 · date: Represents the number of shares sold to cover the tax withholding obligations in connection with the vesting of certain restricted stock units and does not represent a discretionary sale by the Reporting Person.

SEC source: 0001628280-24-004940 · wk-form4_1708004077.xml · nonDerivative · entry 2

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,914

F2 · shares: Represents shares that were directed to be sold for payment of the tax liability incurred upon the issuance of the restricted stock.

SEC source: 0001628280-24-004940 · wk-form4_1708004077.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,051

F1 · shares: Represents a grant of 32,051 share of restricted stock granted and issued pursuant to the Company's Amended and Restated 2021 Equity Incentive Plan. The restricted stock was not subject to any vesting or restricted period.

SEC source: 0001628280-24-007219 · wk-form4_1709068455.xml · nonDerivative · entry 1

Mulvihill Christian · CIK 0001998358 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,631

F1 · date: This Form 4 is being filed late due to an inadvertent administrative oversight and not any error of the Reporting Person.

F2 · shares: Represents restricted stock units granted pursuant to the Issuer's Amended and Restated 2021 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock. The restricted stock units vest in four approximately equal semiannual installments beginning six months after the grant date.