SUNB

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: 0001193125-26-361276 · ownership.xml · nonDerivative · entry 1

Cockburn Angus · CIK 0002101173 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,200

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: 0001193125-26-361274 · ownership.xml · nonDerivative · entry 1

Twite Roy · CIK 0002101279 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,750

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: 0001193125-26-361286 · ownership.xml · nonDerivative · entry 1

Easterbrook Jill · CIK 0002101161 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,200

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: 0001193125-26-361268 · ownership.xml · nonDerivative · entry 1

Lull Brad · CIK 0002106018 · EVP, Strategy & Business Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,634

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.

F2 · balance_after: The Reporting Person's total beneficial ownership following the reported transaction in Column 5 of Table I has been adjusted to include 723 shares of the Issuer's common stock acquired by the Reporting Person in exchange for ordinary shares of Ashtead previously held in a vested share account with the registrar and transfer agent and inadvertently omitted from the original Form 4 filed March 3, 2026.

SEC source: 0001193125-26-301003 · ownership.xml · nonDerivative · entry 2

Washburn John · CIK 0002106033 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,043

SEC source: 0001193125-26-301003 · ownership.xml · nonDerivative · entry 1

Washburn John · CIK 0002106033 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,394

SEC source: 0001193125-26-297604 · ownership.xml · nonDerivative · entry 1

Horgan Kyle · CIK 0002108519 · Executive VP, Specialty

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,045

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

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: 0001193125-26-297601 · ownership.xml · nonDerivative · entry 1

Washburn John · CIK 0002106033 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,745

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

SEC source: 0001193125-26-297599 · ownership.xml · nonDerivative · entry 1

Lull Brad · CIK 0002106018 · EVP, Strategy & Business Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,835

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

SEC source: 0001193125-26-297600 · ownership.xml · nonDerivative · entry 1

Fuller-Andrews Lynne · CIK 0002101505 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,979

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

SEC source: 0001193125-26-288664 · ownership.xml · nonDerivative · entry 1

Pease Alexander W · CIK 0001515026 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,785

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: 0001193125-26-288668 · ownership.xml · nonDerivative · entry 1

Horgan Brendan · CIK 0002101226 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 750,719

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: 0001193125-26-288666 · ownership.xml · nonDerivative · entry 1

Horgan Kyle · CIK 0002108519 · Executive VP, Specialty

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,848

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: 0001193125-26-288665 · ownership.xml · nonDerivative · entry 1

Fuller-Andrews Lynne · CIK 0002101505 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,827

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: 0001193125-26-288663 · ownership.xml · nonDerivative · entry 1

Lull Brad · CIK 0002106018 · EVP, Strategy & Business Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,655

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: 0001193125-26-288662 · ownership.xml · nonDerivative · entry 1

Washburn John · CIK 0002106033 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,657

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: 0001193125-26-288661 · 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: 0001193125-26-279731 · ownership.xml · nonDerivative · entry 2

Fuller-Andrews Lynne · CIK 0002101505 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,044

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

SEC source: 0001193125-26-279729 · ownership.xml · nonDerivative · entry 2

Washburn John · CIK 0002106033 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,042

F3 · shares: Represents shares withheld upon the vesting of restricted stock units to pay tax withholding obligations.

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: 0001193125-26-279725 · ownership.xml · nonDerivative · entry 1

Lull Brad · CIK 0002106018 · EVP, Strategy & Business Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,040

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

SEC source: 0001193125-26-279724 · ownership.xml · nonDerivative · entry 2

Horgan Kyle · CIK 0002108519 · Executive VP, Specialty

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,233

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

SEC source: 0001193125-26-279731 · ownership.xml · nonDerivative · entry 1

Fuller-Andrews Lynne · CIK 0002101505 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,752

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: 0001193125-26-279729 · ownership.xml · nonDerivative · entry 1

Washburn John · CIK 0002106033 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,869

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 · balance_after: Due to an administrative error, the Reporting Person's aggregate beneficial ownership of Common Stock as reported in the "Amount of Securities Beneficially Owned Following Reported Transaction(s)" column in Table I of his Form 4 filed on March 3, 2026, was understated by 90 shares, and should have been 42,329 shares and 73,696 shares following the reported transactions, instead of 42,239 shares and 73,606 shares. The aggregate beneficial ownership reported in Table I above reflects the correction of this error.

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: 0001193125-26-279724 · ownership.xml · nonDerivative · entry 1

Horgan Kyle · CIK 0002108519 · Executive VP, Specialty

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,893

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: 0001193125-26-279722 · ownership.xml · nonDerivative · entry 1

Horgan Brendan · CIK 0002101226 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 702,834

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: 0001193125-26-088622 · ownership.xml · nonDerivative · entry 1

Singleton James Louis · CIK 0001312340 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,189

F1 · price: Represents restricted stock units which will vest on the earlier of March 2, 2027 and the day immediately preceding the date of the next annual shareholder meeting. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant.

SEC source: 0001193125-26-088674 · ownership.xml · nonDerivative · entry 2

Pease Alexander W · CIK 0001515026 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,318

F2 · 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, 20,421 will vest on June 20, 2027 and 24,420 will vest on July 4, 2028.

SEC source: 0001193125-26-088663 · ownership.xml · nonDerivative · entry 1

Cesarone Nando · CIK 0001733586 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,189

F1 · price: Represents restricted stock units which will vest on the earlier of March 2, 2027 and the day immediately preceding the date of the next annual shareholder meeting. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant.

SEC source: 0001193125-26-088692 · ownership.xml · nonDerivative · entry 2

Horgan Brendan · CIK 0002101226 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 727,401

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, 48,946 will vest on June 19, 2026; 96,486 will vest on June 20, 2027; and 111,990 will vest on July 4, 2028.

SEC source: 0001193125-26-088679 · ownership.xml · nonDerivative · entry 2

Ribeiro Renata · CIK 0002101162 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,789

F2 · price: Represents restricted stock units which will vest on the earlier of March 2, 2027 and the day immediately preceding the date of the next annual shareholder meeting. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant.

SEC source: 0001193125-26-088677 · ownership.xml · nonDerivative · entry 2

Lull Brad · CIK 0002106018 · EVP, Strategy & Business Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,785

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, 8,437 will vest on June 19, 2026; 9,820 will vest on June 20, 2027; and 10,822 will vest on July 4, 2028.

SEC source: 0001193125-26-088665 · ownership.xml · nonDerivative · entry 2

Washburn John · CIK 0002106033 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,606

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, 8,437 will vest on June 19, 2026; 10,905 will vest on June 20, 2027; and 12,025 will vest on July 4, 2028.

SEC source: 0001193125-26-088659 · ownership.xml · nonDerivative · entry 1

Easterbrook Jill · CIK 0002101161 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,189

F1 · price: Represents restricted stock units which will vest on the earlier of March 2, 2027 and the day immediately preceding the date of the next annual shareholder meeting. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant.

SEC source: 0001193125-26-088652 · ownership.xml · nonDerivative · entry 2

Twite Roy · CIK 0002101279 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,739

F2 · price: Represents restricted stock units which will vest on the earlier of March 2, 2027 and the day immediately preceding the date of the next annual shareholder meeting. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant.

SEC source: 0001193125-26-088633 · ownership.xml · nonDerivative · entry 3

Fuller-Andrews Lynne · CIK 0002101505 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,459

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, 6,243 will vest on June 19, 2026; 9,767 will vest on June 20, 2027; and 11,447 will vest on July 4, 2028.

SEC source: 0001193125-26-088632 · ownership.xml · nonDerivative · entry 2

Walker Paul Ashton · CIK 0002106282 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,189

F2 · price: Represents restricted stock units which will vest on the earlier of March 2, 2027 and the day immediately preceding the date of the next annual shareholder meeting. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant.

SEC source: 0001193125-26-088631 · ownership.xml · nonDerivative · entry 2

Horgan Kyle · CIK 0002108519 · Executive VP, Specialty

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,960

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, 7,758 will vest on June 19, 2026; 9,030 will vest on June 20, 2027; and 10,592 will vest on July 4, 2028.

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: 0001193125-26-088618 · ownership.xml · nonDerivative · entry 2

Cockburn Angus · CIK 0002101173 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,189

F2 · price: Represents restricted stock units which will vest on the earlier of March 2, 2027 and the day immediately preceding the date of the next annual shareholder meeting. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant.

SEC source: 0001193125-26-088674 · ownership.xml · derivative · entry 3

Pease Alexander W · CIK 0001515026 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,032

Underlying: Common Stock · 4,032 shares

Expires not disclosed

F3 · 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.

F3 · 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.

F3 · 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.

F3 · 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: 0001193125-26-088674 · ownership.xml · nonDerivative · entry 1

Pease Alexander W · CIK 0001515026 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,477

F1 · price: Represents restricted stock units, of which 4,081 will vest on July 4, 2026; 3,412 will vest on October 11, 2026; 4,080 will vest on July 4, 2027; 3,412 will vest on October 11, 2027; 4,080 will vest on July 4, 2028; and 3,412 will vest on October 11, 2028. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant.

SEC source: 0001193125-26-088692 · ownership.xml · derivative · entry 3

Horgan Brendan · CIK 0002101226 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,890

Underlying: Common Stock · 12,890 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: 0001193125-26-088692 · ownership.xml · nonDerivative · entry 1

Horgan Brendan · CIK 0002101226 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 469,979

F1 · price: Includes 419,000 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 50,979 restricted stock units, of which 9,356 will vest on July 4, 2026; 7,637 will vest on September 19, 2026; 9,356 will vest on July 4, 2027; 7,637 will vest on September 19, 2027; 9,356 will vest on July 4, 2028; and 7,637 will vest on September 19, 2028. Each restricted stock unit represents a contractual right to receive one share of common stock of the Registrant.

SEC source: 0001193125-26-088679 · ownership.xml · nonDerivative · entry 1

Ribeiro Renata · CIK 0002101162 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 600

F1 · price: Represents 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.

SEC source: 0001193125-26-088677 · ownership.xml · derivative · entry 3

Lull Brad · CIK 0002106018 · EVP, Strategy & Business Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,387

Underlying: Common Stock · 3,387 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.