ATNI

SEC source: 0001735750-26-000003 · form4-03102026_080342.xml · nonDerivative · entry 3

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,972

F4 · shares: Represents shares withheld by the Company for payment of Ms. Mabey's tax obligation arising from the vesting of previously granted Restricted Stock Units.

SEC source: 0001735750-26-000003 · form4-03102026_080342.xml · nonDerivative · entry 2

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,791

F3 · shares: Represents shares withheld by the Company for payment of Ms. Mabey's tax obligation arising from the vesting of previously granted Performance Stock Units in the existing footnote (1).

SEC source: 0001735750-26-000003 · form4-03102026_080342.xml · nonDerivative · entry 1

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,691

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 · shares: Common stock issued upon vesting of performance-based RSU ("PSU") based on the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last trading days of the applicable performance period, which ended on March 7, 2026. The aggregate number of shares issued is 58% of the target number of PSU shares previously reported.

F2 · price: Refer to existing footnote (1).

SEC source: 0001933213-26-000002 · form4-03102026_080359.xml · derivative · entry 4

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,500 shares

Expires 2026-03-07

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: 0001933213-26-000002 · form4-03102026_080359.xml · nonDerivative · entry 3

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,021

F4 · shares: Represents shares withheld by the Company for payment of Mr. Leon's tax obligation arising from the vesting of previously granted Restricted Stock Units.

SEC source: 0001933213-26-000002 · form4-03102026_080359.xml · nonDerivative · entry 2

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,634

F3 · shares: Represents shares withheld by the Company for payment of Mr. Leon's tax obligation arising from the vesting of previously granted Performance Stock Units in the existing footnote (1).

SEC source: 0001933213-26-000002 · form4-03102026_080359.xml · nonDerivative · entry 1

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,058

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 · shares: Common stock issued upon vesting of performance-based RSU ("PSU") based on the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last trading days of the applicable performance period, which ended on March 7, 2026. The aggregate number of shares issued is 58% of the target number of PSU shares previously reported.

F2 · price: Refer to existing footnote (1)

SEC source: 0001244465-26-000005 · form4-03272026_090352.xml · derivative · entry 9

PRIOR MICHAEL T · CIK 0001244465 · Director · EXECUTIVE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,000 shares

Expires 2026-03-07

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: 0001244465-26-000005 · form4-03272026_090352.xml · nonDerivative · entry 3

PRIOR MICHAEL T · CIK 0001244465 · Director · EXECUTIVE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 583,404

F4 · shares: Represents shares withheld by the Company for payment of Mr. Prior's tax obligation arising from the vesting of previously granted Restricted Stock Units.

SEC source: 0001244465-26-000005 · form4-03272026_090352.xml · nonDerivative · entry 2

PRIOR MICHAEL T · CIK 0001244465 · Director · EXECUTIVE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 586,386

F3 · shares: Represents shares withheld by the Company for payment of Mr. Prior's tax obligation arising from the vesting of previously granted Performance Stock Units in the existing footnote (1).

SEC source: 0001244465-26-000005 · form4-03272026_090352.xml · nonDerivative · entry 1

PRIOR MICHAEL T · CIK 0001244465 · Director · EXECUTIVE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 592,816

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 · shares: Common stock issued upon vesting of performance-based RSU ("PSU") based on the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last trading days of the applicable performance period, which ended on March 7, 2026. The aggregate number of shares issued is 58% of the target number of PSU shares previously reported.

F2 · price: Refer to existing footnote (1)

SEC source: 0001743747-26-000004 · form5-02182026_080258.xml · nonDerivative · entry 2

Ganong Richard J · CIK 0001743747 · Former Director as of 6/2025

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F2 · price: Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $19.54 to $19.85, inclusive. For all transactions reported in this Form 5 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001743747-26-000004 · form5-02182026_080258.xml · nonDerivative · entry 1

Ganong Richard J · CIK 0001743747 · Former Director as of 6/2025

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $18.54 to $19.53, inclusive. For all transactions reported in this Form 5 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

SEC source: 0001415889-25-017764 · form4-06202025_110632.xml · nonDerivative · entry 1

LENEHAN PAMELA F · CIK 0001202481 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,298

F1 · price: Represents fully vested shares of restricted stock grant pursuant to the Issuer's 2023 Equity Incentive Plan in payment of Ms Lenehan's 2025 annual director retainer based on the moving average price for the past twenty days of $15.06 of the Issuer's common stock as of June 13, 2025.

SEC source: 0001415889-25-017762 · form4-06202025_110611.xml · nonDerivative · entry 1

Jacobs Patricia · CIK 0001781805 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,670

F1 · price: Represents fully vested shares of restricted stock grant pursuant to the Issuer's 2023 Equity Incentive Plan in payment of Ms. Jacobs' 2025 annual director retainer based on the moving average price for the past twenty days of $15.06 of the Issuer's common stock as of June 13, 2025.

SEC source: 0001415889-25-017760 · form4-06202025_110656.xml · nonDerivative · entry 1

Bulkin Bernard J · CIK 0001668072 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,429

F1 · price: Represents fully vested shares of restricted stock grant pursuant to the Issuer's 2023 Equity Incentive Plan in payment of Mr. Bulkin's 2025 annual director retainer based on the moving average price for the past twenty days of $15.06 of the Issuer's common stock as of June 13, 2025.

SEC source: 0001415889-25-017758 · form4-06202025_110621.xml · nonDerivative · entry 2

Hudson Derek · CIK 0001978810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,369

F2 · kind: Represents shares withheld by the Company for payment of Mr. Hudson's tax obligations.

SEC source: 0001415889-25-017758 · form4-06202025_110621.xml · nonDerivative · entry 1

Hudson Derek · CIK 0001978810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,959

F1 · price: Represents fully vested shares of restricted stock grant pursuant to the Issuer's 2023 Equity Incentive Plan in payment of Mr. Hudson's 2025 annual director retainer based on the moving average price for the past twenty days of $15.06 of the Issuer's common stock as of June 13, 2025.

SEC source: 0001415889-25-017756 · form4-06202025_110650.xml · nonDerivative · entry 1

Henry April · CIK 0001841776 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,550

F1 · price: Represents fully vested shares of restricted stock grant pursuant to the Issuer's 2023 Equity Incentive Plan in payment of Ms. Henry's 2025 annual director retainer based on the moving average price for the past twenty days of $15.06 of the Issuer's common stock as of June 13, 2025.

SEC source: 0001415889-25-010492 · form4-04092025_090434.xml · derivative · entry 2

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,988

Underlying: Common Stock · 16,988 shares

Expires not disclosed

F2 · shares: Each performance-based RSU ("PSU") represents a contingent right to receive one share of the Issuer's common stock, subject to the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last days of the applicable performance period. The aggregate number of shares issued may range from zero (0) shares to 150% of the target number of shares reported in columns 7 and 9 of this report.

F3 · derivative.exercise_date: Between zero (0) and 150% of the PSUs will generally vest, if at all, as of the end of the performance period that begins on March 13, 2025, and ends on March 13, 2028.

F3 · derivative.expiration_date: Between zero (0) and 150% of the PSUs will generally vest, if at all, as of the end of the performance period that begins on March 13, 2025, and ends on March 13, 2028.

SEC source: 0001415889-25-010492 · form4-04092025_090434.xml · nonDerivative · entry 1

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,868

F1 · shares: The securities described are restricted stock units and will vest in four equal installments on each of March 13, 2026, 2027, 2028 and 2029. Upon vesting Mr. Leon will receive a number of shares of common stock equal to the number of restricted stocks units that have vested.

SEC source: 0001415889-25-010496 · form4-04092025_090436.xml · derivative · entry 2

Martin Brad W · CIK 0001739251 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,472

Underlying: Common Stock · 42,472 shares

Expires not disclosed

F2 · shares: Each performance-based RSU ("PSU") represents a contingent right to receive one share of the Issuer's common stock, subject to the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last days of the applicable performance period. The aggregate number of shares issued may range from zero (0) shares to 150% of the target number of shares reported in columns 7 and 9 of this report.

F3 · derivative.exercise_date: Between zero (0) and 150% of the PSUs will generally vest, if at all, as of the end of the performance period that begins on March 13, 2025, and ends on March 13, 2028.

F3 · derivative.expiration_date: Between zero (0) and 150% of the PSUs will generally vest, if at all, as of the end of the performance period that begins on March 13, 2025, and ends on March 13, 2028.

SEC source: 0001415889-25-010496 · form4-04092025_090436.xml · nonDerivative · entry 1

Martin Brad W · CIK 0001739251 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,823

F1 · shares: The securities described are restricted stock units and will vest in four equal installments on each of March 13, 2026, 2027, 2028 and 2029. Upon vesting, Mr. Martin will receive a number of shares of common stock equal to the number of restricted stock units that have vested.

SEC source: 0001415889-25-010498 · form4-04092025_090422.xml · derivative · entry 2

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,820

Underlying: Common Stock · 19,820 shares

Expires not disclosed

F2 · shares: Each performance-based RSU ("PSU") represents a contingent right to receive one share of the Issuer's common stock, subject to achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last days of the applicable performance period. The aggregate number of shares issued may range from zero (0) shares to 150% of the target number of shares reported in Columns 7 and 9 of this report.

F3 · derivative.exercise_date: Between zero (0) and 150% of the PSUs will generally vest, if at all, as of the end of the performance period that begins on March 13, 2025, and ends on March 13, 2028.

F3 · derivative.expiration_date: Between zero (0) and 150% of the PSUs will generally vest, if at all, as of the end of the performance period that begins on March 13, 2025, and ends on March 13, 2028.

SEC source: 0001415889-25-010498 · form4-04092025_090422.xml · nonDerivative · entry 1

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,863

F1 · shares: The securities described are restricted stock units and will vest in four equal installments on each of March 13, 2026, 2027, 2028 and 2029. Upon vesting Ms. Mabey will receive a number of shares of common stock equal to the number of restricted stock units that have vested.

SEC source: 0001415889-25-010490 · form4-04092025_090408.xml · derivative · entry 2

Doglioli Carlos · CIK 0002013841 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,068

Underlying: Common Stock · 24,068 shares

Expires not disclosed

F2 · shares: Each performance-based RSU ("PSU") represents a contingent right to receive one share of the Issuer's common stock, subject to the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last days of the applicable performance period. The aggregate number of shares issued may range from zero (0) shares to 150% of the target number of shares reported in columns 7 and 9 of this report.

F3 · derivative.exercise_date: Between zero (0) and 150% of the PSUs will generally vest, if at all, as of the end of the performance period that begins on March 13, 2025, and ends on March 13, 2028.

F3 · derivative.expiration_date: Between zero (0) and 150% of the PSUs will generally vest, if at all, as of the end of the performance period that begins on March 13, 2025, and ends on March 13, 2028.

SEC source: 0001415889-25-010490 · form4-04092025_090408.xml · nonDerivative · entry 1

Doglioli Carlos · CIK 0002013841 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,314

F1 · shares: The securities described are restricted stock units and will vest in four equal installments on each of March 13, 2026, 2027, 2028 and 2029. Upon vesting, Mr. Doglioli will receive a number of shares of common stock equal to the number of restricted stock units that have vested.

SEC source: 0001415889-25-010494 · form4-04092025_090438.xml · derivative · entry 7

PRIOR MICHAEL T · CIK 0001244465 · Director · EXECUTIVE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,472

Underlying: Common Stock · 42,472 shares

Expires not disclosed

F2 · shares: Each performance-based RSU ("PSU") represents a contingent right to receive one share of the Issuer's common stock, subject to the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last days of the applicable performance period. The aggregate number of shares issued may range from zero (0) shares to 150% of the target number of shares reported in columns 7 and 9 of this report.

F3 · derivative.exercise_date: Between zero (0) and 150% of the PSUs will generally vest, if at all, as of the end of the performance period that begins on March 13, 2025, and ends on March 13, 2028.

F3 · derivative.expiration_date: Between zero (0) and 150% of the PSUs will generally vest, if at all, as of the end of the performance period that begins on March 13, 2025, and ends on March 13, 2028.

SEC source: 0001415889-25-010494 · form4-04092025_090438.xml · nonDerivative · entry 1

PRIOR MICHAEL T · CIK 0001244465 · Director · EXECUTIVE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 578,316

F1 · shares: The securities described are restricted stock units and will fest in four equal installments on each of March 13, 2026, 2027, 2028 and 2029. Upon vesting Mr. Prior will receive a number of shares of common stock equal to the number of restricted stocks units that have vested.

SEC source: 0001415889-25-009095 · form4-03272025_040330.xml · derivative · entry 7

PRIOR MICHAEL T · CIK 0001244465 · Director · EXECUTIVE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 21,450 shares

Expires 2025-03-25

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: Refer to existing footnote (1).

SEC source: 0001415889-25-009095 · form4-03272025_040330.xml · nonDerivative · entry 1

PRIOR MICHAEL T · CIK 0001244465 · Director · EXECUTIVE CHAIRMAN

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 535,844

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 · shares: Common stock issued upon vesting of performance-based RSU ("PSU") based on the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last days of the applicable performance period, ending on March 25, 2025. The aggregate number of shares issued is 63% of the target number of PSU shares previously reported.

F2 · price: Refer to existing footnote (1).

F3 · balance_after: This amount represents a correction and displays the accurate number of shares.

SEC source: 0001415889-25-009091 · form4-03272025_040303.xml · derivative · entry 4

Martin Brad W · CIK 0001739251 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,700 shares

Expires 2025-03-25

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: Refer to existing footnote (1).

SEC source: 0001415889-25-009091 · form4-03272025_040303.xml · nonDerivative · entry 3

Martin Brad W · CIK 0001739251 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,351

F4 · shares: Represents shares withheld by the Company for payment of Mr. Martin's tax obligations arising from the vesting of previously granted Restricted Stock Units.

SEC source: 0001415889-25-009091 · form4-03272025_040303.xml · nonDerivative · entry 2

Martin Brad W · CIK 0001739251 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,136

F3 · shares: Represents shares withheld by the Company for payment of Mr. Martin's tax obligation arising from the vesting of previously granted Performance Stock Units in the existing footnote (1).

SEC source: 0001415889-25-009091 · form4-03272025_040303.xml · nonDerivative · entry 1

Martin Brad W · CIK 0001739251 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,114

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 · shares: Common stock issued upon vesting of performance-based RSU ("PSU") based on the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last days of the applicable performance period, which ended on March 25, 2025. The aggregate number of shares issued is 63% of the target number of PSU shares previously reported.

F2 · price: Refer to existing footnote (1).

SEC source: 0001415889-25-009093 · form4-03272025_040352.xml · derivative · entry 4

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,900 shares

Expires 2025-03-25

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: Refer to existing footnote (1).

SEC source: 0001415889-25-009093 · form4-03272025_040352.xml · nonDerivative · entry 3

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,043

F4 · shares: Represents shares withheld by the Company for payment of Ms. Mabey's tax obligation arising from the vesting of previously granted Restricted Stock Units.

SEC source: 0001415889-25-009093 · form4-03272025_040352.xml · nonDerivative · entry 2

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,918

F3 · shares: Represents shares withheld by the Company for payment of Ms. Mabey's tax obligation arising from the vesting of previously granted Performance Stock Units in the existing footnote (1).

SEC source: 0001415889-25-009093 · form4-03272025_040352.xml · nonDerivative · entry 1

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,123

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.

F1 · shares: Common stock issued upon vesting of performance-based RSU ("PSU") based on the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last days of the applicable performance period, which ended on March 25, 2025. The aggregate number of shares issued is 63% of the target number of PSU shares previously reported.

F2 · price: Refer to existing footnote (1).

SEC source: 0001415889-25-009089 · form4-03272025_030309.xml · derivative · entry 4

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,700 shares

Expires 2025-03-25

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: Refer to existing footnote (1)

SEC source: 0001415889-25-009089 · form4-03272025_030309.xml · nonDerivative · entry 3

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,880

F4 · shares: Represents shares withheld by the Company for payment of Mr. Leon's tax obligation arising from the vesting of previously granted Restricted Stock Units.

SEC source: 0001415889-25-009089 · form4-03272025_030309.xml · nonDerivative · entry 2

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,298

F3 · shares: Represents shares withheld by the Company for payment of Mr. Leon's tax obligation arising from the vesting of previously granted Performance Stock Units in the existing footnote (1).

SEC source: 0001415889-25-009089 · form4-03272025_030309.xml · nonDerivative · entry 1

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,391

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 · shares: Common stock issued upon vesting of performance-based RSU ("PSU") based on the achievement of pre-established relative total shareholder return ("TSR") goals that were set by the Compensation Committee of the Issuer's Board of Directors, based on comparing the Issuer's TSR relative to the TSR of the Russell 2000 Index, using the average closing price of the shares for the 40 days before and including each of the first and last days of the applicable performance period, which ended on March 25, 2025. The aggregate number of shares issued is 63% of the target number of PSU shares previously reported.

F2 · price: Refer to existing footnote (1)

SEC source: 0001415889-25-008071 · form4-03142025_070343.xml · nonDerivative · entry 1

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,800

F1 · kind: Represents shares withheld by the Company for payment of Mr. Leon's tax obligation arising from the vesting of previously granted Restricted Stock Units.

SEC source: 0001415889-25-008060 · form4-03142025_070352.xml · nonDerivative · entry 1

Martin Brad W · CIK 0001739251 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,373

F1 · kind: Represents shares withheld by the Company for payment of Mr. Martin's tax obligations arising from the vesting of previously granted Restricted Stock Units.

SEC source: 0001415889-25-008047 · form4-03142025_010319.xml · nonDerivative · entry 1

Doglioli Carlos · CIK 0002013841 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,246

F1 · kind: Represents shares withheld by the Company for payment of Mr. Doglioli's tax obligations arising from the vesting of previously granted Restricted Stock Units.

SEC source: 0001415889-25-008045 · form4-03142025_010315.xml · nonDerivative · entry 1

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,146

F1 · kind: Represents shares withheld by the Company for payment of Ms. Mabey's tax obligation arising from the vesting of previously granted Restricted Stock Units.

SEC source: 0001415889-25-007670 · form4-03112025_080350.xml · nonDerivative · entry 2

Leon Justin M · CIK 0001933213 · SVP, CORPORATE DEVELOPMENT

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,552

SEC source: 0001415889-25-007656 · form4-03112025_080354.xml · nonDerivative · entry 2

Martin Brad W · CIK 0001739251 · Director · CHIEF EXECUTIVE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,966

SEC source: 0001415889-25-007650 · form4-03112025_080341.xml · nonDerivative · entry 2

Mabey Mary · CIK 0001735750 · SVP AND GENERAL COUNSEL

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,384