OSG

SEC source: 0000874501-23-000070 · wf-form4_168064213452212.xml · derivative · entry 1

LAMMTENNANT JOAN M · CIK 0001208239 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,126

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: 0000874501-23-000069 · wf-form4_168064202974627.xml · derivative · entry 1

Herzog David L · CIK 0001331793 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,057

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: 0000874501-23-000068 · 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: 0000874501-23-000067 · wf-form4_168064156889118.xml · derivative · entry 1

IGLESIAS LISA G · CIK 0001103172 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,913

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: 0000874501-23-000066 · wf-form4_168064143312266.xml · derivative · entry 1

HAFT IAN DAVID · CIK 0001573787 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,057

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: 0000874501-23-000065 · wf-form4_167839662667458.xml · derivative · entry 5

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,394

Underlying: Common Stock · 29,925 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.

F6 · derivative.exercise_price: Each Deferred Share Unit ("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: 0000874501-23-000065 · wf-form4_167839662667458.xml · derivative · entry 4

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,421

Underlying: Common Stock · 29,925 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.

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: 0000874501-23-000065 · wf-form4_167839662667458.xml · derivative · entry 3

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 183,346

Underlying: Common Stock · 1,573 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 number 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 number 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: 0000874501-23-000065 · wf-form4_167839662667458.xml · nonDerivative · entry 2

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 499,916

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

SEC source: 0000874501-23-000065 · wf-form4_167839662667458.xml · nonDerivative · entry 1

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 501,489

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 number 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: 0000874501-23-000064 · wf-form4_167839651376107.xml · derivative · entry 5

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,332

Underlying: Common Stock · 2,383 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.

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: 0000874501-23-000064 · wf-form4_167839651376107.xml · derivative · entry 4

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,032

Underlying: Common Stock · 2,383 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.

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: 0000874501-23-000064 · wf-form4_167839651376107.xml · derivative · entry 3

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,415

Underlying: Common Stock · 87 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 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: 0000874501-23-000064 · wf-form4_167839651376107.xml · nonDerivative · entry 2

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,616

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: 0000874501-23-000064 · wf-form4_167839651376107.xml · nonDerivative · entry 1

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,703

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 2021 Long Term Incentive Plan award.

SEC source: 0000874501-23-000063 · wf-form4_167839645323884.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,093

Underlying: Common Stock · 6,999 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 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: 0000874501-23-000063 · wf-form4_167839645323884.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,332

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: 0000874501-23-000063 · wf-form4_167839645323884.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,904

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 2021 Long Term Incentive Plan award.

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: 0000874501-23-000061 · wf-form4_167839632150993.xml · derivative · entry 5

Smith R Sharon · CIK 0001707461 · Exec VP & Chief Strategy Offr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,646

Underlying: Common Stock · 6,287 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.

F6 · 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 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: 0000874501-23-000061 · wf-form4_167839632150993.xml · derivative · entry 4

Smith R Sharon · CIK 0001707461 · Exec VP & Chief Strategy Offr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,884

Underlying: Common Stock · 6,287 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.

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: 0000874501-23-000061 · wf-form4_167839632150993.xml · derivative · entry 3

Smith R Sharon · CIK 0001707461 · Exec VP & Chief Strategy Offr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,171

Underlying: Common Stock · 301 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 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: 0000874501-23-000061 · wf-form4_167839632150993.xml · nonDerivative · entry 2

Smith R Sharon · CIK 0001707461 · Exec VP & Chief Strategy Offr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,607

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: 0000874501-23-000061 · wf-form4_167839632150993.xml · nonDerivative · entry 1

Smith R Sharon · CIK 0001707461 · Exec VP & Chief Strategy Offr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,908

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 2021 Long Term Incentive Plan award.

SEC source: 0000874501-23-000060 · wf-form4_167839625443097.xml · derivative · entry 5

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,278

Underlying: Common Stock · 7,269 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.

F6 · 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 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: 0000874501-23-000060 · wf-form4_167839625443097.xml · derivative · entry 4

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,101

Underlying: Common Stock · 7,269 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.

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: 0000874501-23-000060 · wf-form4_167839625443097.xml · derivative · entry 3

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,370

Underlying: Common Stock · 348 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 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: 0000874501-23-000060 · wf-form4_167839625443097.xml · nonDerivative · entry 2

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,382

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: 0000874501-23-000060 · wf-form4_167839625443097.xml · nonDerivative · entry 1

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,730

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 2021 Long Term Incentive Plan award.

SEC source: 0000874501-23-000055 · wf-form4_167813733041634.xml · derivative · entry 1

Smith R Sharon · CIK 0001707461 · Exec VP & Chief Strategy Offr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,472

Underlying: Common Stock · 15,184 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 15,184 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 15,184 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: 0000874501-23-000054 · wf-form4_167813726243919.xml · derivative · entry 1

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 184,919

Underlying: Common Stock · 70,398 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, 2023 the reporting person received a grant of 70,398 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, 2023 the reporting person received a grant of 70,398 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: 0000874501-23-000053 · wf-form4_167813720530790.xml · derivative · entry 1

McGinnis Daniel · CIK 0001900989 · Sr. MD & COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,280

Underlying: Common Stock · 7,822 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 7,822 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 7,822 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: 0000874501-23-000052 · wf-form4_167813712014485.xml · derivative · entry 1

Trick David · CIK 0001480597 · Exec VP, CFO & Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,718

Underlying: Common Stock · 17,024 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, 2023 the reporting person received a grant of 17,024 RSUs as part of their 2023 Long Term Incentive Plan award. These 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, 2023 the reporting person received a grant of 17,024 RSUs as part of their 2023 Long Term Incentive Plan award. These RSUs will vest in three equal installments on March 3, 2024, March 3, 2025, and March 3, 2026.

SEC source: 0000874501-23-000051 · wf-form4_167813688837901.xml · derivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,092

Underlying: Common Stock · 15,644 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, 2023 the reporting person received a grant of 15,644 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, 2023 the reporting person received a grant of 15,644 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: 0000874501-23-000050 · wf-form4_167813683015297.xml · derivative · entry 1

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,502

Underlying: Common Stock · 5,521 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 5,521 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 5,521 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: 0000874501-23-000049 · 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: 0000874501-23-000048 · wf-form4_167779255656971.xml · derivative · entry 5

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,469

Underlying: Common Stock · 24,469 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.

F6 · derivative.exercise_price: Each Deferred Share Unit ("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: 0000874501-23-000048 · wf-form4_167779255656971.xml · derivative · entry 4

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,521

Underlying: Common Stock · 24,469 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.

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

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: 0000874501-23-000048 · wf-form4_167779255656971.xml · derivative · entry 3

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,990

Underlying: Common Stock · 1,286 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 the Company.

F1 · derivative.exercise_date: Represents the aggregate number 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 number 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: 0000874501-23-000048 · wf-form4_167779255656971.xml · nonDerivative · entry 2

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 499,916

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

SEC source: 0000874501-23-000048 · wf-form4_167779255656971.xml · nonDerivative · entry 1

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 501,202

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 number 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: 0000874501-23-000047 · wf-form4_167779244748207.xml · derivative · entry 5

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,949

Underlying: Common Stock · 1,949 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.

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: 0000874501-23-000047 · wf-form4_167779244748207.xml · derivative · entry 4

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,981

Underlying: Common Stock · 1,949 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 the Company.

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: 0000874501-23-000047 · wf-form4_167779244748207.xml · derivative · entry 3

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,930

Underlying: Common Stock · 71 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 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 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: 0000874501-23-000047 · wf-form4_167779244748207.xml · nonDerivative · entry 2

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,616

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: 0000874501-23-000047 · wf-form4_167779244748207.xml · nonDerivative · entry 1

Eisman Robert Bryan · CIK 0001477761 · Sr. MD & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,687

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 2022 Long Term Incentive Plan award.