Stein Jeffrey Scott

SEC source: 0001628280-26-064968 · wk-form4_1791232356.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,815

Underlying: Common Stock · 8,224 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 Octave Specialty Group, Inc. (the "Company").

F2 · derivative.exercise_date: RSU's granted on October 1, 2026 shall vest one year later on October 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the reporting person.

F2 · derivative.expiration_date: RSU's granted on October 1, 2026 shall vest one year later on October 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the reporting person.

SEC source: 0001628280-26-047531 · wk-form4_1783458211.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,591

Underlying: Common Stock · 6,500 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 Octave Specialty Group, Inc. (the "Company").

F2 · derivative.exercise_date: RSUs granted on July 1, 2026 shall vest one year later on July 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a "change of control" of the Company.

F2 · derivative.expiration_date: RSUs granted on July 1, 2026 shall vest one year later on July 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a "change of control" of the Company.

SEC source: 0001213900-26-064969 · ownership.xml · nonDerivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 250,000

F1 · shares: Represents an award of restricted stock of the Issuer granted to Mr. Stein under the Issuer's 2025 Long-Term Incentive Plan that will generally vest on April 19, 2027, subject to Mr. Stein's continued service relationship with the Issuer through such date.

SEC source: 0001628280-26-023253 · wk-form4_1775162349.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,091

Underlying: Common Stock · 7,441 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 Octave Specialty Group, Inc. (the "Company").

F2 · derivative.exercise_date: RSU's granted on April 1, 2026 shall vest one year later on April 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the Reporting person.

F2 · derivative.expiration_date: RSU's granted on April 1, 2026 shall vest one year later on April 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the Reporting person.

SEC source: 0001559518-26-000002 · wk-form4_1767648366.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,650

Underlying: Common Stock · 4,524 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 Octave Specialty Group, Inc. (the "Company").

F2 · derivative.exercise_date: RSU's granted on January 1, 2026 shall vest one year later on January 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the Reporting person.

F2 · derivative.expiration_date: RSU's granted on January 1, 2026 shall vest one year later on January 1, 2027. RSUs that have become vested shall settle and convert into shares of common stock upon the earlier of the vesting date or the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company, unless otherwise deferred upon the election of the Reporting person.

SEC source: 0001628280-25-043693 · wk-form4_1759435675.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,126

Underlying: Common Stock · 4,126 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: RSU's granted on October 1, 2025 shall vest one year later on October 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on October 1, 2025 shall vest one year later on October 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0001628280-25-043237 · wk-form4_1759263722.xml · derivative · entry 2

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 167,807 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.

F2 · 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 · derivative.exercise_date: Upon the closing of the sale of Ambac Assurance Corporation to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Director's Restricted Stock Units to vest and settle.

F1 · derivative.expiration_date: Upon the closing of the sale of Ambac Assurance Corporation to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Director's Restricted Stock Units to vest and settle.

SEC source: 0001628280-25-043237 · wk-form4_1759263722.xml · nonDerivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 217,807

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 · price: Upon the closing of the sale of Ambac Assurance Corporation to an entity owned by funds managed by Oaktree Capital Management, L.P., a change of control was triggered causing the Director's Restricted Stock Units to vest and settle.

SEC source: 0000874501-25-000112 · wk-form4_1751400463.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,807

Underlying: Common Stock · 7,053 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: RSUs granted on July 1, 2025 shall vest one year later on July 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSUs granted on July 1, 2025 shall vest one year later on July 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-25-000092 · wk-form4_1747308512.xml · nonDerivative · entry 2

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

SEC source: 0000874501-25-000092 · wk-form4_1747308512.xml · nonDerivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,000

SEC source: 0000874501-25-000074 · wk-form4_1743627444.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,754

Underlying: Common Stock · 5,728 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: RSU's granted on April 1, 2025, shall vest one year later on April 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a "change of control" of the Company.

F2 · derivative.expiration_date: RSU's granted on April 1, 2025, shall vest one year later on April 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a "change of control" of the Company.

SEC source: 0000874501-25-000012 · wk-form4_1735938488.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 155,026

Underlying: Common Stock · 3,938 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: RSUs granted on January 1, 2025 shall vest one year later on January 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a "change of control" of the Company.

F2 · derivative.expiration_date: RSUs granted on January 1, 2025 shall vest one year later on January 1, 2026. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a "change of control" of the Company.

SEC source: 0000874501-24-000232 · wk-form4_1727818287.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,088

Underlying: Common Stock · 4,497 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: RSUs granted on October 1, 2024 shall vest one year later on October 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a "change of control" of the Company.

F2 · derivative.expiration_date: RSUs granted on October 1, 2024 shall vest one year later on October 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company or upon a "change of control" of the Company.

SEC source: 0000874501-24-000191 · wk-form4_1723149653.xml · nonDerivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,000

SEC source: 0000874501-24-000157 · wk-form4_1719864171.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 146,591

Underlying: Common Stock · 3,699 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: RSU's granted on July 1, 2024 shall vest one year later on July 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on July 1, 2024 shall vest one year later on July 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-24-000111 · wk-form4_1712005253.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,892

Underlying: Common Stock · 3,299 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: RSUs granted on April 1, 2024 shall vest one year later on April 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSUs granted on April 1, 2024 shall vest one year later on April 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000899140-24-000422 · form4.xml · nonDerivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · kind: On December 7, 2023, the Company and certain of its subsidiaries (collectively, the "Debtors") filed voluntary petitions under Chapter 11 of title 11 of the United States Code (the "Bankruptcy Code") in the United States Bankruptcy Court for the Southern District of New York (such court, the "Court" and such cases, the "Cases") and on March 28, 2024, the Bankruptcy Court entered an order confirming the plan of liquidation (the "Plan"). On March 29, 2024 (the "Effective Date"), the Plan was consummated and became effective in accordance with its terms.

F2 · kind: On the Effective Date, in connection with the Plan, all outstanding shares of common stock of the Company and warrants exercisable for shares of common stock of the Company have been canceled and discharged and holders of such equity interests will not receive or retain any property on account thereof.

F1 · price: On December 7, 2023, the Company and certain of its subsidiaries (collectively, the "Debtors") filed voluntary petitions under Chapter 11 of title 11 of the United States Code (the "Bankruptcy Code") in the United States Bankruptcy Court for the Southern District of New York (such court, the "Court" and such cases, the "Cases") and on March 28, 2024, the Bankruptcy Court entered an order confirming the plan of liquidation (the "Plan"). On March 29, 2024 (the "Effective Date"), the Plan was consummated and became effective in accordance with its terms.

F2 · price: On the Effective Date, in connection with the Plan, all outstanding shares of common stock of the Company and warrants exercisable for shares of common stock of the Company have been canceled and discharged and holders of such equity interests will not receive or retain any property on account thereof.

SEC source: 0000874501-24-000002 · wk-form4_1704230151.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,593

Underlying: Common Stock · 3,147 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: RSUs granted on January 1, 2024 shall vest one year later on January 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSUs granted on January 1, 2024 shall vest one year later on January 1, 2025. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-23-000138 · wk-form4_1696288946.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 136,446

Underlying: Common Stock · 3,934 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: RSU's granted on October 2, 2023 shall vest one year later on October 2, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on October 2, 2023 shall vest one year later on October 2, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0001209191-23-041300 · doc4.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,512

Underlying: Common Stock · 3,569 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: RSU's granted on July 1, 2023 shall vest one year later on July 1, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on July 1, 2023 shall vest one year later on July 1, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-23-000068 · wf-form4_168064184577370.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,943

Underlying: Common Stock · 3,277 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: RSU's granted on April 3, 2023 shall vest one year later on April 3, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on April 3, 2023 shall vest one year later on April 3, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-23-000010 · wf-form4_167286731298375.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,666

Underlying: Common Stock · 3,049 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: RSU's granted on January 3, 2023 shall vest one year later on January 3, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on January 3, 2023 shall vest one year later on January 3, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-22-000133 · wf-form4_166482897841043.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,617

Underlying: Common Stock · 3,567 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: RSU's granted on October 3, 2022 shall vest one year later on October 3, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on October 3, 2022 shall vest one year later on October 3, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-22-000119 · wf-form4_165705949159110.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,050

Underlying: Common Stock · 4,538 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: RSU's granted on July 1, 2022 shall vest one year later on July 1, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on July 1, 2022 shall vest one year later on July 1, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-22-000080 · wf-form4_164919580793795.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,512

Underlying: Common Stock · 4,626 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: RSU's granted on April 1, 2022 shall vest one year later on April 1, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on April 1, 2022 shall vest one year later on April 1, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-22-000043 · wf-form4_164625638104081.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,886

Underlying: Common Stock · 3,368 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: RSU's granted on February 28, 2022 shall vest one year later on February 28, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on February 28, 2022 shall vest one year later on February 28, 2023. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-21-000167 · wf-form4_163672517998988.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,518

Underlying: Common Stock · 3,051 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: RSU's granted on November 10, 2021 shall vest one year later on November 10, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on November 10, 2021 shall vest one year later on November 10, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-21-000135 · wf-form4_162862641928981.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,467

Underlying: Common Stock · 3,437 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: RSU's granted on August 9, 2021 shall vest one year later on August 9, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on August 9, 2021 shall vest one year later on August 9, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-21-000085 · wf-form4_162084988527704.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,030

Underlying: Common Stock · 2,936 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: RSU's granted on May 12, 2021 shall vest one year later on May 12, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on May 12, 2021 shall vest one year later on May 12, 2022. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-20-000074 · wf-form4_158836430912416.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,094

Underlying: Common Stock · 11,628 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: RSU's granted on April 30, 2020 shall vest one year later on April 30, 2021. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on April 30, 2020 shall vest one year later on April 30, 2021. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-19-000092 · wf-form4_155924719000497.xml · nonDerivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

SEC source: 0000874501-19-000050 · wf-form4_155674382935265.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,466

Underlying: Common Stock · 10,696 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: RSU's granted on April 30, 2019 shall vest one year later on April 30, 2020. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on April 30, 2019 shall vest one year later on April 30, 2020. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0000874501-18-000050 · wf-form4_152520973250167.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,770

Underlying: Common Stock · 11,744 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: RSU's granted on April 30, 2018 shall vest one year later on April 30, 2019. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on April 30, 2018 shall vest one year later on April 30, 2019. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

SEC source: 0001140361-18-018126 · doc1.xml · nonDerivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: Disposed of pursuant to the closing of the Merger on April 19, 2018 (the "Effective Date") between Issuer and Vistra Energy Corp. (the "Merger") in exchange for 0.652 shares of Vistra Energy stock having market value of $19.87, opening price, per share on the Effective Date of the Merger.

SEC source: 0000106455-17-000045 · wf-form4_149860836984691.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,349

Underlying: Common Stock · 11,349 shares

Expires 2018-05-16

F1 · derivative.exercise_price: These shares are represented by restricted stock units that vest as Common Stock on a one for one basis on May 16, 2018.

SEC source: 0001140361-17-021765 · doc1.xml · nonDerivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,511

F1 · date: Grants of restricted stock units approved by Issuer's Compensation and Human Resources Committee of the Board of Directors on May 18, 2017.

F2 · kind: Restricted stock units grant pursuant to Rule 16b-3(d). The restricted stock units were issued in connection with the Reporting Person's director compensation, and the number of units issued was calculated based on the closing stock price of the Issuer's common stock of $7.26 on May 18, 2017. Each restricted stock unit represents a contingent right to receive one share of Dynegy Inc. common stock. The restricted stock units vest in full on May 18, 2018.

SEC source: 0000106455-17-000039 · wf-form4_149523532273158.xml · derivative · entry 2

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,929 shares

Expires 2017-05-17

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: These shares are represented by restricted stock units that vest one year from the date of the grant.

SEC source: 0000106455-17-000039 · wf-form4_149523532273158.xml · nonDerivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,929

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: 0000874501-17-000047 · wf-form4_149367499966977.xml · derivative · entry 1

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,026

Underlying: Common Stock · 10,294 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: RSU's granted on April 28, 2017 shall vest one year later on April 30, 2018. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.

F2 · derivative.expiration_date: RSU's granted on April 28, 2017 shall vest one year later on April 30, 2018. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company.