OSG

SEC source: 0000874501-23-000007 · wf-form4_167286689333931.xml · derivative · entry 3

Smith R Sharon · CIK 0001707461 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,843

Underlying: Common Stock · 2,564 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: 0000874501-23-000007 · wf-form4_167286689333931.xml · nonDerivative · entry 2

Smith R Sharon · CIK 0001707461 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,290

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: 0000874501-23-000007 · wf-form4_167286689333931.xml · nonDerivative · entry 1

Smith R Sharon · CIK 0001707461 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,747

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: 0000874501-23-000006 · wf-form4_167286678791703.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,923

Underlying: Common Stock · 3,633 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: 0000874501-23-000006 · wf-form4_167286678791703.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,100

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: 0000874501-23-000006 · wf-form4_167286678791703.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,165

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: 0000874501-23-000005 · wf-form4_167286668705651.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,001

Underlying: Common Stock · 1,282 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 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: 0000874501-23-000005 · wf-form4_167286668705651.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,589

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: 0000874501-23-000005 · wf-form4_167286668705651.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,317

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: 0000874501-23-000004 · wf-form4_167286655643353.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,504

Underlying: Common Stock · 2,778 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 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: 0000874501-23-000004 · wf-form4_167286655643353.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,864

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: 0000874501-23-000004 · wf-form4_167286655643353.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,443

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 2020 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 2020 Long Term Incentive Plan award.

SEC source: 0000874501-22-000137 · wf-form4_166482949942747.xml · derivative · entry 1

IGLESIAS LISA G · CIK 0001103172 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,587

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: 0000874501-22-000139 · wf-form4_166482965762340.xml · derivative · entry 1

Herzog David L · CIK 0001331793 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,731

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: 0000874501-22-000138 · wf-form4_166482958752771.xml · derivative · entry 1

LAMMTENNANT JOAN M · CIK 0001208239 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,800

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: 0000874501-22-000135 · wf-form4_166482917286301.xml · derivative · entry 1

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,341

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: 0000874501-22-000133 · 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: 0000874501-22-000131 · wf-form4_166482883465933.xml · derivative · entry 1

HAFT IAN DAVID · CIK 0001573787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 86,731

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: 0000874501-22-000122 · wf-form4_165705971381119.xml · derivative · entry 1

LAMMTENNANT JOAN M · CIK 0001208239 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,233

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: 0000874501-22-000121 · wf-form4_165705964490887.xml · derivative · entry 1

HAFT IAN DAVID · CIK 0001573787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,164

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: 0000874501-22-000120 · wf-form4_165705957888948.xml · derivative · entry 1

Herzog David L · CIK 0001331793 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,164

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: 0000874501-22-000119 · 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: 0000874501-22-000118 · wf-form4_165705941461086.xml · derivative · entry 1

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,774

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: 0000874501-22-000117 · wf-form4_165705931656492.xml · derivative · entry 1

IGLESIAS LISA G · CIK 0001103172 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,020

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: 0000874501-22-000111 · wf-form4_165331182265991.xml · nonDerivative · entry 1

Smith R Sharon · CIK 0001707461 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,183

SEC source: 0000874501-22-000109 · wf-form4_165273869781857.xml · nonDerivative · entry 2

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,000

SEC source: 0000874501-22-000109 · wf-form4_165273869781857.xml · nonDerivative · entry 1

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,996

SEC source: 0000874501-22-000107 · wf-form4_165269555090301.xml · nonDerivative · entry 1

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 406,600

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 9

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,000

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 8

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,700

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 7

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,700

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 6

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,280

SEC source: 0000874501-22-000105 · wf-form4_165269538526524.xml · nonDerivative · entry 1

IGLESIAS LISA G · CIK 0001103172 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,550

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 11

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,996

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 10

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,860

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 5

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,000

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 4

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,337

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 3

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,437

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 2

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,208

SEC source: 0000874501-22-000104 · wf-form4_165269530283334.xml · nonDerivative · entry 1

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,108

SEC source: 0000874501-22-000086 · wf-form4_164919651338933.xml · derivative · entry 1

LAMMTENNANT JOAN M · CIK 0001208239 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,695

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: 0000874501-22-000085 · wf-form4_164919643032141.xml · derivative · entry 1

IGLESIAS LISA G · CIK 0001103172 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,482

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: 0000874501-22-000084 · wf-form4_164919628313430.xml · derivative · entry 1

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,236

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: 0000874501-22-000083 · wf-form4_164919618313142.xml · derivative · entry 1

Herzog David L · CIK 0001331793 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,626

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: 0000874501-22-000081 · wf-form4_164919594595598.xml · derivative · entry 1

HAFT IAN DAVID · CIK 0001573787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,626

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: 0000874501-22-000080 · 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: 0000874501-22-000071 · wf-form4_164686092490707.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,282

Underlying: Common Stock · 6,177 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: 0000874501-22-000071 · wf-form4_164686092490707.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,665

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: 0000874501-22-000071 · wf-form4_164686092490707.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,818

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: 0000874501-22-000073 · wf-form4_164686153949783.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,283

Underlying: Common Stock · 2,471 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.