Ksenak Stephen Michael

SEC source: 0001628280-25-043472 · wk-form4_1759351805.xml · derivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 129,146 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 DSU represents a contingent right to receive one share of common stock of the Company.

F1 · derivative.exercise_date: Upon the closing of the sale of Ambac Assurance Corporation by Ambac Financial Group to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Reporting Person's Deferred Share Units ("DSUs") to vest and settle.

F1 · derivative.expiration_date: Upon the closing of the sale of Ambac Assurance Corporation by Ambac Financial Group to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Reporting Person's Deferred Share Units ("DSUs") to vest and settle.

SEC source: 0001628280-25-043472 · wk-form4_1759351805.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205,256

F2 · shares: Represents the amount of DSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0001628280-25-043472 · wk-form4_1759351805.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 248,778

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: Upon the closing of the sale of Ambac Assurance Corporation by Ambac Financial Group to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Reporting Person's Deferred Share Units ("DSUs") to vest and settle.

SEC source: 0001527850-25-000003 · wk-form4_1752095840.xml · derivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 46,151

Underlying: Common Stock · 32,097 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

F2 · derivative.exercise_date: On July 9, 2025 the reporting person received a grant of 32,097 restricted stock units ("RSUs") as part of their 2025 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing July 9, 2026, July 9, 2027, and July 9, 2028.

F2 · derivative.expiration_date: On July 9, 2025 the reporting person received a grant of 32,097 restricted stock units ("RSUs") as part of their 2025 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing July 9, 2026, July 9, 2027, and July 9, 2028.

SEC source: 0000874501-25-000052 · wk-form4_1741984457.xml · derivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,054

Underlying: Common Stock · 4,726 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 common stock of the Company.

F1 · derivative.exercise_date: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2024Long Term Incentive Plan award.

F1 · derivative.expiration_date: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2024Long Term Incentive Plan award.

SEC source: 0000874501-25-000052 · wk-form4_1741984457.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,599

F2 · shares: Represents the amount of RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-25-000052 · wk-form4_1741984457.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 123,302

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: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2024Long Term Incentive Plan award.

SEC source: 0000874501-25-000038 · wk-form4_1741638025.xml · derivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 129,146

Underlying: Common Stock · 53,999 shares

Expires not disclosed

F3 · security: Each DSU represents a contingent right to receive one share of common stock of the Company.

F3 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of common stock of the Company.

F4 · shares: Represents the aggregate amount of performance stock units ("PSUs") that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of PSUs and restricted stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F4 · derivative.exercise_date: Represents the aggregate amount of performance stock units ("PSUs") that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of PSUs and restricted stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F4 · derivative.expiration_date: Represents the aggregate amount of performance stock units ("PSUs") that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of PSUs and restricted stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-25-000038 · wk-form4_1741638025.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,576

F2 · shares: As part of the vesting and settlement of a portion of the 2022 LTIP award, 1,967 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-25-000038 · wk-form4_1741638025.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,576

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: The reporting person acquired 1,967 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon the simultaneous vesting and settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award, which had a three year performance period and vested on March 6, 2025.

SEC source: 0000874501-25-000021 · wk-form4_1741130416.xml · derivative · entry 8

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,147

Underlying: Common Stock · 4,201 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.

F4 · derivative.exercise_price: Each deferred share unit ("DSU") represents a contingent right to receive one share of common stock of the Company.

F4 · price: Each deferred share unit ("DSU") represents a contingent right to receive one share of common stock of the Company.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of DSUs pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of DSUs pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-25-000021 · wk-form4_1741130416.xml · derivative · entry 7

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,780

Underlying: Common Stock · 4,601 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.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

F6 · derivative.exercise_date: Represents the amount of RSUs that vested upon settlement of a portion of the reporting person's 2023 Long Term Incentive Plan award.

F6 · derivative.expiration_date: Represents the amount of RSUs that vested upon settlement of a portion of the reporting person's 2023 Long Term Incentive Plan award.

SEC source: 0000874501-25-000021 · wk-form4_1741130416.xml · nonDerivative · entry 4

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,609

F2 · date: Represents the amount of RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-25-000021 · wk-form4_1741130416.xml · nonDerivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,009

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 · date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

SEC source: 0000874501-25-000021 · wk-form4_1741130416.xml · derivative · entry 6

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,946

Underlying: Common Stock · 4,469 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.

F4 · derivative.exercise_price: Each deferred share unit ("DSU") represents a contingent right to receive one share of common stock of the Company.

F4 · price: Each deferred share unit ("DSU") represents a contingent right to receive one share of common stock of the Company.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of DSUs pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of DSUs pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-25-000021 · wk-form4_1741130416.xml · derivative · entry 5

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,381

Underlying: Common Stock · 5,051 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.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

F3 · derivative.exercise_date: Represents the amount of RSUs that vested upon settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award.

F3 · derivative.expiration_date: Represents the amount of RSUs that vested upon settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award.

SEC source: 0000874501-25-000021 · wk-form4_1741130416.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,609

F2 · date: Represents the amount of RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-25-000021 · wk-form4_1741130416.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,191

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 · date: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

SEC source: 0000874501-24-000183 · wk-form4_1723149250.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,609

SEC source: 0000874501-24-000093 · wk-form4_1710533213.xml · derivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,432

Underlying: Common Stock · 14,179 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").

F2 · derivative.exercise_date: On March 13, 2024 the reporting person received a grant of 14,179 RSUs as part of their 2024 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing March 13, 2025, March 3, 2026, and March 3, 2027.

F2 · derivative.expiration_date: On March 13, 2024 the reporting person received a grant of 14,179 RSUs as part of their 2024 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing March 13, 2025, March 3, 2026, and March 3, 2027.

SEC source: 0000874501-24-000077 · wk-form4_1710187950.xml · derivative · entry 5

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 66,477

Underlying: Common Stock · 5,959 shares

Expires not disclosed

F6 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of common stock of the Company.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-24-000077 · wk-form4_1710187950.xml · derivative · entry 4

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,253

Underlying: Common Stock · 5,959 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 restricted stock unit ("RSUs") represents a contingent right to receive one share of the common stock of the Company.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-24-000077 · wk-form4_1710187950.xml · derivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,212

Underlying: Common Stock · 218 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 restricted stock unit ("RSUs") represents a contingent right to receive one share of the common stock of the Company.

F4 · derivative.exercise_date: Represents the amount of RSUs that were converted into shares of common stock of the Company upon settlement of a portion of the reporting person's 2021 RSU LTIP award.

F4 · derivative.expiration_date: Represents the amount of RSUs that were converted into shares of common stock of the Company upon settlement of a portion of the reporting person's 2021 RSU LTIP award.

SEC source: 0000874501-24-000077 · wk-form4_1710187950.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,609

F2 · shares: As part of the vesting and settlement of a portion of the 2021 RSU LTIP award, 218 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-24-000077 · wk-form4_1710187950.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,827

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: The reporting person acquired 218 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon the vesting and settlement of a portion of the reporting person's 2021 restrictive stock unit Long Term Incentive Plan ("2021 RSU LTIP") award.

SEC source: 0000874501-24-000068 · wk-form4_1709592087.xml · derivative · entry 5

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,518

Underlying: Common Stock · 4,438 shares

Expires not disclosed

F6 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of common stock of the Company.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-24-000068 · wk-form4_1709592087.xml · derivative · entry 4

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,430

Underlying: Common Stock · 4,438 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 restricted stock unit ("RSUs") represents a contingent right to receive one share of the common stock of the Company.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-24-000068 · wk-form4_1709592087.xml · derivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,868

Underlying: Common Stock · 163 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 restricted stock unit ("RSUs") represents a contingent right to receive one share of the common stock of the Company.

F4 · derivative.exercise_date: Represents the amount of RSUs that were converted into shares of common stock of the Company upon settlement of a portion of the reporting person's 2023 RSU LTIP award.

F4 · derivative.expiration_date: Represents the amount of RSUs that were converted into shares of common stock of the Company upon settlement of a portion of the reporting person's 2023 RSU LTIP award.

SEC source: 0000874501-24-000068 · wk-form4_1709592087.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,609

F2 · shares: As part of the vesting and settlement of a portion of the 2023 RSU LTIP award, 163 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-24-000068 · wk-form4_1709592087.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,772

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: The reporting person acquired 163 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon the vesting and settlement of a portion of the reporting person's 2023 restrictive stock unit Long Term Incentive Plan ("2023 RSU LTIP") award.

SEC source: 0000874501-24-000051 · wk-form4_1709326984.xml · derivative · entry 5

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 56,080

Underlying: Common Stock · 4,872 shares

Expires not disclosed

F6 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of common stock of the Company.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred shared units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and performance stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred shared units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and performance stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-24-000051 · wk-form4_1709326984.xml · derivative · entry 4

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,031

Underlying: Common Stock · 4,872 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 restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred shared units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and performance stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred shared units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and performance stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-24-000051 · wk-form4_1709326984.xml · derivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,903

Underlying: Common Stock · 178 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 restricted stock unit ("RSU") represents a contingent right to receive one share of the Company's common stock.

F4 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into shares of common stock of the Company upon settlement of a portion of the reporting person's 2022 RSU Long Term Incentive Plan award.

F4 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into shares of common stock of the Company upon settlement of a portion of the reporting person's 2022 RSU Long Term Incentive Plan award.

SEC source: 0000874501-24-000051 · wk-form4_1709326984.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,609

F2 · shares: As part of the vesting and settlement of a portion of the 2022 RSU LTIP award, 178 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-24-000051 · wk-form4_1709326984.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,787

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: The reporting person acquired 178 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon vesting and settlement of a portion of the reporting person's 2022 restricted stock unit Long Term Incentive Plan ("2022 RSU LTIP") award.

SEC source: 0000874501-24-000020 · wk-form4_1708725075.xml · derivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,208

Underlying: Common Stock · 40,442 shares

Expires not disclosed

F3 · security: Each DSU represents a contingent right to receive one share of common stock of the Company.

F3 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of common stock of the Company.

F4 · shares: Represents the aggregate amount of performance stock units ("PSUs") that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of PSUs and restricted stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F4 · derivative.exercise_date: Represents the aggregate amount of performance stock units ("PSUs") that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of PSUs and restricted stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F4 · derivative.expiration_date: Represents the aggregate amount of performance stock units ("PSUs") that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of PSUs and restricted stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-24-000020 · wk-form4_1708725075.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,609

F2 · shares: As part of the vesting and settlement of a portion of the 2021 LTIP award, 1,861 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-24-000020 · wk-form4_1708725075.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,470

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: The reporting person acquired 1,861 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon the simultaneous vesting and settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award, which had a three year performance period and vested on February 21, 2024.

SEC source: 0000874501-23-000062 · wf-form4_167839638591975.xml · derivative · entry 5

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,766

Underlying: Common Stock · 5,894 shares

Expires not disclosed

F6 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F4 · shares: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into DSUs of the Company upon settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into DSUs of the Company upon settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award.

SEC source: 0000874501-23-000062 · wf-form4_167839638591975.xml · derivative · entry 4

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,081

Underlying: Common Stock · 5,894 shares

Expires not disclosed

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Company's common stock.

F4 · shares: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into DSUs of the Company upon settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into DSUs of the Company upon settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award.

SEC source: 0000874501-23-000062 · wf-form4_167839638591975.xml · derivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,975

Underlying: Common Stock · 282 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 Company's common stock.

F1 · derivative.exercise_date: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award.

F1 · derivative.expiration_date: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award.

SEC source: 0000874501-23-000062 · wf-form4_167839638591975.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,609

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 · shares: Represents the aggregate amount of RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-23-000062 · wf-form4_167839638591975.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,891

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 · security: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award.

F1 · shares: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award.

SEC source: 0000874501-23-000049 · wf-form4_167813676366723.xml · derivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,257

Underlying: Common Stock · 13,803 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock of Ambac Financial Group, Inc.

F2 · derivative.exercise_date: On March 3, 2022 the reporting person received a grant of 13,803 RSUs as part of their 2023 Long Term Incentive Plan award. The RSUs will vest in three equal installments on March 3, 2024, March 3, 2025, and March 3, 2026.

F2 · derivative.expiration_date: On March 3, 2022 the reporting person received a grant of 13,803 RSUs as part of their 2023 Long Term Incentive Plan award. The RSUs will vest in three equal installments on March 3, 2024, March 3, 2025, and March 3, 2026.

SEC source: 0000874501-23-000046 · wf-form4_167779237064260.xml · derivative · entry 5

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,872

Underlying: Common Stock · 4,872 shares

Expires not disclosed

F6 · derivative.exercise_price: Each DSU represents a contingent right to receive one share of the Company's common stock.

F4 · shares: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into DSUs of the Company upon settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into DSUs of the Company upon settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award.

SEC source: 0000874501-23-000046 · wf-form4_167779237064260.xml · derivative · entry 4

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,454

Underlying: Common Stock · 4,872 shares

Expires not disclosed

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Company's common stock.

F4 · shares: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share units ("DSUs") pursuant to the Company's Executive Stock Deferral Plan, which was designed to enable participants to elect to defer the settlement and income taxation of RSU and Performance Stock Unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

F5 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into DSUs of the Company upon settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award.

F5 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into DSUs of the Company upon settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award.

SEC source: 0000874501-23-000046 · wf-form4_167779237064260.xml · derivative · entry 3

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,326

Underlying: Common Stock · 178 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 Company's common stock.

F1 · derivative.exercise_date: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award.

F1 · derivative.expiration_date: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award.

SEC source: 0000874501-23-000046 · wf-form4_167779237064260.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,609

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 · shares: Represents the aggregate amount of RSUs that were converted into shares of common stock and withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-23-000046 · wf-form4_167779237064260.xml · nonDerivative · entry 1

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,787

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 · security: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award.

F1 · shares: Represents the aggregate amount of restricted stock units ("RSUs") that were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company") upon settlement of a portion of the reporting person's 2022 Long Term Incentive Plan award.

SEC source: 0000874501-23-000025 · wf-form4_167727494976672.xml · nonDerivative · entry 2

Ksenak Stephen Michael · CIK 0001527850 · Sr. MD & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,609

F2 · shares: As part of this vesting and settlement of the 2020 LTIP award, 18,606 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.