Clark Barbara

SEC source: 0001193125-26-398081 · ownership.xml · nonDerivative · entry 1

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,554

F1 · shares: Represents dividend equivalent units accrued in respect of outstanding restricted stock units ("RSU") held by the Reporting Person. Each dividend equivalent unit represents the right to receive one share of the Issuer's common stock and will vest and settle with the underlying RSUs.

SEC source: 0001193125-26-301008 · ownership.xml · derivative · entry 1

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,166 shares

Expires not disclosed

F1 · derivative.exercise_price: Represents cash settlement of deferred stock units at a value of $76.53 per unit, the closing price of the Issuer's common stock on April 30, 2026, pursuant to the Issuer's 2017 Deferred Bonus Plan; no shares of common stock were issued upon settlement.

F1 · price: Represents cash settlement of deferred stock units at a value of $76.53 per unit, the closing price of the Issuer's common stock on April 30, 2026, pursuant to the Issuer's 2017 Deferred Bonus Plan; no shares of common stock were issued upon settlement.

F1 · derivative.exercise_date: Represents cash settlement of deferred stock units at a value of $76.53 per unit, the closing price of the Issuer's common stock on April 30, 2026, pursuant to the Issuer's 2017 Deferred Bonus Plan; no shares of common stock were issued upon settlement.

F1 · derivative.expiration_date: Represents cash settlement of deferred stock units at a value of $76.53 per unit, the closing price of the Issuer's common stock on April 30, 2026, pursuant to the Issuer's 2017 Deferred Bonus Plan; no shares of common stock were issued upon settlement.

SEC source: 0001193125-26-361277 · ownership.xml · nonDerivative · entry 1

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,535

F1 · shares: Represents dividend equivalent units accrued in respect of outstanding restricted stock units ("RSU") held by the Reporting Person. Each dividend equivalent unit represents the right to receive one share of the Issuer's common stock and will vest and settle with the underlying RSUs.

SEC source: 0001193125-26-297603 · ownership.xml · nonDerivative · entry 1

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,272

F1 · shares: Represents shares withheld upon the vesting of restricted stock units to pay tax withholding obligations.

SEC source: 0001193125-26-288661 · ownership.xml · nonDerivative · entry 1

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,721

F1 · shares: Represents restricted stock units ("RSUs") granted by the Compensation Committee of the Company's Board of Directors pursuant to the Company's 2026 Omnibus Equity Incentive Plan. Each RSU represents a contractual right to receive one share of common stock of the Company.

F2 · price: One-third of the RSUs shall vest on each of 06/19/2027, 06/19/2028 and 06/19/2029.

SEC source: 0001193125-26-279727 · ownership.xml · nonDerivative · entry 2

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,979

F2 · shares: Represents shares withheld upon the vesting of restricted stock units ("RSUs") to pay tax withholding obligations.

SEC source: 0001193125-26-279727 · ownership.xml · nonDerivative · entry 1

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,306

F1 · shares: Represents shares withheld upon the vesting of performance stock units ("PSUs") to pay tax withholding obligations. The performance condition of the then-outstanding PSUs was deemed satisfied on March 2, 2026, in connection with the Registrant's initial listing on the New York Stock Exchange, and those PSUs were reported in Table I of the Reporting Person's Form 4 filed on March 3, 2026.

SEC source: 0001193125-26-303349 · ownership.xml · nonDerivative · entry 1

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,522

F1 · shares: Represents shares withheld upon the vesting of performance stock units ("PSUs") to pay tax withholding obligations. The performance condition of the then-outstanding PSUs was deemed satisfied on March 2, 2026, in connection with the Registrant's initial listing on the New York Stock Exchange, and those PSUs were reported in Table I of the Reporting Person's Form 4 filed on March 3, 2026.

F2 · shares: This Form 4 amendment is being filed to correct an administrative error resulting in 784 fewer shares being withheld than intended to satisfy the tax withholding obligations of the Reporting Person. The Reporting Person's total beneficial ownership following the reported transaction in Column 5 of Table I has been adjusted to reflect the corrected withholdings. As of the filing of this amendment, the Reporting Person directly beneficially owns 37,488 shares of common stock.

F2 · balance_after: This Form 4 amendment is being filed to correct an administrative error resulting in 784 fewer shares being withheld than intended to satisfy the tax withholding obligations of the Reporting Person. The Reporting Person's total beneficial ownership following the reported transaction in Column 5 of Table I has been adjusted to reflect the corrected withholdings. As of the filing of this amendment, the Reporting Person directly beneficially owns 37,488 shares of common stock.

SEC source: 0001193125-26-088629 · ownership.xml · nonDerivative · entry 2

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,341

F3 · price: Represents performance stock units ("PSUs"), each representing a contractual right to receive one share of common stock of the registrant. The performance conditions of the PSUs were deemed satisfied on March 2, 2026, in connection with the Registrant's initial listing on the New York Stock Exchange and as further discussed in the Registrant's Registration Statement on Form 10/A filed on February 13, 2026. Of such PSUs, 3,691 will vest on June 19, 2026; 4,318 will vest on June 20, 2027; and 5,920 will vest on July 4, 2028.

SEC source: 0001193125-26-088629 · ownership.xml · derivative · entry 3

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,166

Underlying: Common Stock · 3,166 shares

Expires not disclosed

F4 · derivative.exercise_price: Represents deferred stock units which will vest on April 30, 2026. Each deferred stock unit is the economic equivalent of one share of the Registrant's common stock and is settled solely in cash.

F4 · price: Represents deferred stock units which will vest on April 30, 2026. Each deferred stock unit is the economic equivalent of one share of the Registrant's common stock and is settled solely in cash.

F4 · derivative.exercise_date: Represents deferred stock units which will vest on April 30, 2026. Each deferred stock unit is the economic equivalent of one share of the Registrant's common stock and is settled solely in cash.

F4 · derivative.expiration_date: Represents deferred stock units which will vest on April 30, 2026. Each deferred stock unit is the economic equivalent of one share of the Registrant's common stock and is settled solely in cash.

SEC source: 0001193125-26-088629 · ownership.xml · nonDerivative · entry 1

Clark Barbara · CIK 0002101233 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,412

F1 · price: Includes 18,001 shares of common stock of the Registrant acquired in exchange for ordinary shares of Ashtead Group plc ("Ashtead") beneficially owned by the Reporting Person, upon completion of the scheme of arrangement effected by Ashtead, the Registrant's predecessor, under Part 26 of the UK Companies Act 2006. The exchange ratio was one-to-one and no cash consideration was paid or received.

F2 · price: Includes 4,411 restricted stock units, of which 721 will vest on June 20, 2026; 990 will vest on July 4, 2026; 722 will vest on June 20, 2027; 989 will vest on July 4, 2027; and 989 will vest on July 4, 2028. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant.