BARRANCO DAVID

SEC source: 0000874501-25-000048 · wk-form4_1741984224.xml · derivative · entry 5

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,877

Underlying: Common Stock · 5,167 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 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share unit ("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.

F4 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share unit ("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: 0000874501-25-000048 · wk-form4_1741984224.xml · derivative · entry 4

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,928

Underlying: Common Stock · 189 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.

F5 · 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 2024 Long Term Incentive Plan award.

F5 · 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 2024 Long Term Incentive Plan award.

SEC source: 0000874501-25-000048 · wk-form4_1741984224.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,117

Underlying: Common Stock · 5,167 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 · derivative.exercise_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share unit ("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.

F4 · derivative.expiration_date: Represents the aggregate amount of RSUs that were converted into an equivalent number of deferred share unit ("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: 0000874501-25-000048 · wk-form4_1741984224.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,415

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: 0000874501-25-000048 · wk-form4_1741984224.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,604

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 189 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon the vesting and settlement of a portion of the reporting person's 2024 Restrictive Stock Unit Long Term Incentive Plan ("2024 RSU LTIP") award.

SEC source: 0000874501-25-000044 · wk-form4_1741638480.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,710

Underlying: Common Stock · 45,907 shares

Expires not disclosed

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

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

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 PSU 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 PSU and restricted stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-25-000044 · wk-form4_1741638480.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 128,415

F2 · shares: As part of the vesting and settlement of a portion of the 2022 LTIP award, 7,379 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-25-000044 · wk-form4_1741638480.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,794

F1 · shares: The reporting person acquired 17,519 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: 0000874501-25-000017 · wk-form4_1741130085.xml · derivative · entry 6

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,284

Underlying: Common Stock · 5,214 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").

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 Long Term Incentive Plan 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 Long Term Incentive Plan award.

SEC source: 0000874501-25-000017 · wk-form4_1741130085.xml · nonDerivative · entry 4

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,275

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: 0000874501-25-000017 · wk-form4_1741130085.xml · nonDerivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,374

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: 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: 0000874501-25-000017 · wk-form4_1741130085.xml · derivative · entry 5

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,498

Underlying: Common Stock · 5,725 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 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 Long Term Incentive Plan award.

F3 · 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 Long Term Incentive Plan award.

SEC source: 0000874501-25-000017 · wk-form4_1741130085.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 115,160

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: 0000874501-25-000017 · wk-form4_1741130085.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,530

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: 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: 0000874501-24-000091 · wk-form4_1710533108.xml · derivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,223

Underlying: Common Stock · 16,069 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 16,069 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 16,069 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: 0000874501-24-000075 · wk-form4_1710187863.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,154

Underlying: Common Stock · 7,001 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: 0000874501-24-000075 · wk-form4_1710187863.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,805

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: 0000874501-24-000075 · wk-form4_1710187863.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,328

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: 0000874501-24-000065 · wk-form4_1709591773.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,155

Underlying: Common Stock · 5,215 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 2023 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 2023 Long Term Incentive Plan award.

SEC source: 0000874501-24-000065 · wk-form4_1709591773.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,327

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: 0000874501-24-000065 · wk-form4_1709591773.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 109,207

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 2023 Long Term Incentive Plan award.

SEC source: 0000874501-24-000050 · wk-form4_1709326932.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,370

Underlying: Common Stock · 5,723 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 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: 0000874501-24-000050 · wk-form4_1709326932.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,992

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: 0000874501-24-000050 · wk-form4_1709326932.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,055

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.

SEC source: 0000874501-24-000028 · wk-form4_1708726240.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,803

Underlying: Common Stock · 45,803 shares

Expires not disclosed

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

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

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 PSU 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 PSU and restricted stock unit awards in accordance with Section 409A of the Internal Revenue Code of 1986, as amended.

SEC source: 0000874501-24-000028 · wk-form4_1708726240.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,332

F2 · shares: As part of the vesting and settlement of a portion of the 2021 LTIP award, 2,143 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-24-000028 · wk-form4_1708726240.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,475

F1 · shares: The reporting person acquired 2,143 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: 0000874501-23-000063 · 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: 0000874501-23-000051 · 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: 0000874501-23-000044 · wf-form4_167779222240676.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,448

Underlying: Common Stock · 5,724 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: 0000874501-23-000044 · wf-form4_167779222240676.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,905

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: 0000874501-23-000044 · wf-form4_167779222240676.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,968

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.

SEC source: 0000874501-23-000026 · wf-form4_167727505009785.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,244

F2 · shares: As part of the vesting and settlement of the 2020 LTIP award, 21,489 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-23-000026 · wf-form4_167727505009785.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,733

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 41,493 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon the simultaneous vesting and settlement of the reporting person's 2020 Long Term Incentive Plan ("2020 LTIP") award, which had a three year performance period and vested on February 22, 2023.

SEC source: 0000874501-23-000008 · wf-form4_167286704536779.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,172

Underlying: Common Stock · 3,205 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 2020 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 2020 Long Term Incentive Plan award.

SEC source: 0000874501-23-000008 · wf-form4_167286704536779.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,240

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: 0000874501-23-000008 · wf-form4_167286704536779.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,581

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 2020 Long Term Incentive Plan award.

SEC source: 0000874501-22-000067 · wf-form4_164686055356996.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,377

Underlying: Common Stock · 7,000 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 the vesting and 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 the vesting and settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award.

SEC source: 0000874501-22-000067 · wf-form4_164686055356996.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 71,376

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: 0000874501-22-000067 · wf-form4_164686055356996.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,949

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 the vesting and settlement of a portion of the reporting person's 2021 Long Term Incentive Plan award.

SEC source: 0000874501-22-000057 · wf-form4_164625774719871.xml · derivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,377

Underlying: Common Stock · 17,172 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 February 28, 2022 the reporting person received a grant of 17,172 RSUs as part of their 2022 Long Term Incentive Plan award. The RSUs will vest in three equal installments on February 28, 2023, February 28, 2024, and February 28, 2025.

F2 · derivative.expiration_date: On February 28, 2022 the reporting person received a grant of 17,172 RSUs as part of their 2022 Long Term Incentive Plan award. The RSUs will vest in three equal installments on February 28, 2023, February 28, 2024, and February 28, 2025.

SEC source: 0000874501-22-000021 · wf-form4_164608217948871.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,949

F2 · shares: As part of the vesting and settlement of the 2019 LTIP award, 11,572 shares of common stock were withheld by the Company to satisfy certain tax withholding obligations.

SEC source: 0000874501-22-000021 · wf-form4_164608217948871.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,521

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 22,710 shares of common stock of Ambac Financial Group, Inc. (the "Company") upon the simultaneous vesting and settlement of the reporting person's 2019 Long Term Incentive Plan ("2019 LTIP") award, which had a three year performance period and vested on February 24, 2022.

SEC source: 0000874501-22-000006 · wf-form4_164133033805350.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,205

Underlying: Common Stock · 5,803 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 2019 and 2020 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 2019 and 2020 Long Term Incentive Plan award.

SEC source: 0000874501-22-000006 · wf-form4_164133033805350.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,811

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: 0000874501-22-000006 · wf-form4_164133033805350.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,107

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 2019 and 2020 Long Term Incentive Plan award.

SEC source: 0000874501-21-000060 · wf-form4_161532460803749.xml · derivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,008

Underlying: Common Stock · 21,000 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 8, 2021 the reporting person received a grant of 21,000 RSUs as part of their 2021 Long Term Incentive Plan award. The RSUs will vest in three equal installments commencing March 8, 2022, March 8, 2023, and March 8, 2024.

F2 · derivative.expiration_date: On March 8, 2021 the reporting person received a grant of 21,000 RSUs as part of their 2021 Long Term Incentive Plan award. The RSUs will vest in three equal installments commencing March 8, 2022, March 8, 2023, and March 8, 2024.

SEC source: 0000874501-21-000056 · wf-form4_161525149649199.xml · derivative · entry 3

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,162 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 the Company's common stock.

F1 · derivative.exercise_date: On March 4, 2021, there were 2,162 deferred share units ("DSUs") that settled, and were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company").

F1 · derivative.expiration_date: On March 4, 2021, there were 2,162 deferred share units ("DSUs") that settled, and were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company").