OSG

SEC source: 0000874501-22-000008 · wf-form4_164133047972377.xml · nonDerivative · entry 2

Smith R Sharon · CIK 0001707461 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,565

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: 0000874501-22-000008 · wf-form4_164133047972377.xml · nonDerivative · entry 1

Smith R Sharon · CIK 0001707461 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,266

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: 0000874501-22-000006 · 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: 0000874501-22-000002 · wf-form4_164133000985234.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,308

Underlying: Common Stock · 4,965 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: 0000874501-22-000002 · wf-form4_164133000985234.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,260

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: 0000874501-22-000002 · wf-form4_164133000985234.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,083

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: 0000874501-22-000004 · wf-form4_164133017508606.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,694

Underlying: Common Stock · 2,786 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: 0000874501-22-000004 · wf-form4_164133017508606.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,460

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: 0000874501-22-000004 · wf-form4_164133017508606.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,043

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: 0000874501-21-000172 · wf-form4_163822133668870.xml · nonDerivative · entry 1

IGLESIAS LISA G · CIK 0001103172 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,300

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

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,518

Underlying: Common Stock · 3,051 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000161 · wf-form4_163672485890866.xml · derivative · entry 1

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,242

Underlying: Common Stock · 3,051 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000163 · wf-form4_163672496858414.xml · derivative · entry 1

LAMMTENNANT JOAN M · CIK 0001208239 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,701

Underlying: Common Stock · 3,051 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000159 · wf-form4_163672474353898.xml · derivative · entry 1

Herzog David L · CIK 0001331793 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,632

Underlying: Common Stock · 3,051 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000165 · wf-form4_163672506523244.xml · derivative · entry 1

IGLESIAS LISA G · CIK 0001103172 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,488

Underlying: Common Stock · 3,051 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000157 · wf-form4_163672428965510.xml · nonDerivative · entry 4

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 313,946

SEC source: 0000874501-21-000157 · wf-form4_163672428965510.xml · nonDerivative · entry 3

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 313,822

SEC source: 0000874501-21-000157 · wf-form4_163672428965510.xml · nonDerivative · entry 2

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 312,986

SEC source: 0000874501-21-000157 · wf-form4_163672428965510.xml · nonDerivative · entry 1

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 312,512

SEC source: 0000874501-21-000155 · wf-form4_163672414844795.xml · derivative · entry 1

HAFT IAN DAVID · CIK 0001573787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,632

Underlying: Common Stock · 3,051 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000143 · wf-form4_162862731453004.xml · derivative · entry 1

HAFT IAN DAVID · CIK 0001573787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,581

Underlying: Common Stock · 3,437 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000141 · wf-form4_162862710180793.xml · derivative · entry 1

IGLESIAS LISA G · CIK 0001103172 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,437

Underlying: Common Stock · 3,437 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000139 · wf-form4_162862675634311.xml · derivative · entry 1

LAMMTENNANT JOAN M · CIK 0001208239 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,650

Underlying: Common Stock · 3,437 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000137 · wf-form4_162862655710358.xml · derivative · entry 1

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,191

Underlying: Common Stock · 3,437 shares

Expires not disclosed

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

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

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

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

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,467

Underlying: Common Stock · 3,437 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000133 · wf-form4_162862613960335.xml · derivative · entry 1

Herzog David L · CIK 0001331793 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,581

Underlying: Common Stock · 3,437 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000095 · wf-form4_162085058831249.xml · derivative · entry 1

LAMMTENNANT JOAN M · CIK 0001208239 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,213

Underlying: Common Stock · 2,936 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000093 · wf-form4_162085048240965.xml · derivative · entry 1

PRIEUR C JAMES · CIK 0001244204 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,754

Underlying: Common Stock · 2,936 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000091 · wf-form4_162085035541562.xml · derivative · entry 1

HAFT IAN DAVID · CIK 0001573787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,144

Underlying: Common Stock · 2,936 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000089 · wf-form4_162085024078071.xml · derivative · entry 1

Herzog David L · CIK 0001331793 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,144

Underlying: Common Stock · 2,936 shares

Expires not disclosed

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

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

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

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

Stein Jeffrey Scott · CIK 0001559518 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,030

Underlying: Common Stock · 2,936 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000100 · wf-form4_162093683689172.xml · derivative · entry 1

Greene Alexander David · CIK 0001609373 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,388

Underlying: Common Stock · 2,936 shares

Expires not disclosed

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

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

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

SEC source: 0000874501-21-000070 · wf-form4_161532535929891.xml · derivative · entry 1

Smith R Sharon · CIK 0001707461 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,081

Underlying: Common Stock · 19,765 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 19,765 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 19,765 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: 0000874501-21-000068 · wf-form4_161532523851064.xml · derivative · entry 1

LeBlanc Claude · CIK 0001380820 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,838

Underlying: Common Stock · 94,502 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 94,502 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 94,502 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: 0000874501-21-000066 · wf-form4_161532511640539.xml · derivative · entry 1

REILLY MICHAEL FRANCIS · CIK 0001562285 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,787

Underlying: Common Stock · 9,882 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 9,882 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 9,882 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: 0000874501-21-000064 · wf-form4_161532494579196.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,717

Underlying: Common Stock · 22,854 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 22,854 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 22,854 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: 0000874501-21-000062 · wf-form4_161532479798815.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,273

Underlying: Common Stock · 18,530 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 18,530 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 18,530 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: 0000874501-21-000060 · 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: 0000874501-21-000058 · wf-form4_161532442714439.xml · derivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,480

Underlying: Common Stock · 7,412 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 7,412 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 7,412 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").

SEC source: 0000874501-21-000056 · wf-form4_161525149649199.xml · nonDerivative · entry 2

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,304

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

SEC source: 0000874501-21-000056 · wf-form4_161525149649199.xml · nonDerivative · entry 1

BARRANCO DAVID · CIK 0001562313 · Senior Managing Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,279

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: 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").

SEC source: 0000874501-21-000054 · wf-form4_161525139865860.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,813 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 1,813 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 1,813 deferred share units ("DSUs") that settled, and were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company").

SEC source: 0000874501-21-000054 · wf-form4_161525139865860.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,257

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

SEC source: 0000874501-21-000054 · wf-form4_161525139865860.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,069

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: On March 4, 2021, there were 1,813 deferred share units ("DSUs") that settled, and were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company").

SEC source: 0000874501-21-000052 · wf-form4_161525131195831.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,470 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 3,470 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 3,470 deferred share units ("DSUs") that settled and were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company").

SEC source: 0000874501-21-000052 · wf-form4_161525131195831.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,991

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

SEC source: 0000874501-21-000052 · wf-form4_161525131195831.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,598

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: On March 4, 2021, there were 3,470 deferred share units ("DSUs") that settled and were converted into shares of common stock of Ambac Financial Group, Inc. (the "Company").