David Trick - 03 Oct 2025 Form 4/A - Amendment Insider Report for AMBAC FINANCIAL GROUP INC (AMBC)

Role: Exec VP, CFO & Treasurer
Signature: William White, attorney-in-fact
Issuer symbol: AMBC
Transactions as of: 03 Oct 2025
Net transactions value: $0
Form type: 4/A - Amendment
Filing time: 03 Oct 2025, 16:58:02 UTC
Date Of Original Report: 03 Oct 2025
Previous filing: 03 Mar 2026
Next filing: 05 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Trick David	Exec VP, CFO & Treasurer	AMBAC FINANCIAL GROUP, INC., ONE WORLD TRADE CENTER, 41ST FLOOR, NEW YORK	William White, attorney-in-fact	03 Oct 2025	0001480597

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AMBC	Performance Stock Option	Award	$0	+350,375		$0.000000	350,375	03 Oct 2025	Common Stock	350,375	$8.97	Direct	F1, F2
transaction	AMBC	Restricted Stock Units	Award	$0	+66,519	+117%	$0.000000	123,439	03 Oct 2025	Common Stock	66,519		Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Performance Stock Option shall be eligible to vest beginning one year after the grant date based on Ambac Financial Group, Inc.'s (the "Company") achievement of the certain price hurdles related to the shares of Common Stock, during the five (5) year period following the grant date as follows: (i) 40 % shall vest on the date on which the sustained stock price first exceeds $18.00 per share; (ii) 20% shall vest on the date on which the sustained stock price first exceeds $21.50 per share; (iii) 20% shall vest on the date on which the sustained stock price first exceeds $25.00 per share; and (iv) 20% shall vest on the date on which the sustained stock price first exceeds $30.00 per share.
F2	On October 3, 2025, the reporting person filed a Form 4 that inadvertently reported the expiration date of the performance stock option award as October 3, 2025. The correct expiration date is October 3, 2035.
F3	Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of the Company.
F4	On October 3, 2025 the reporting person received a special RSU grant that will vest and become non-forfeitable after one year (subject to limited exceptions), but will not settle until the earlier of the fifth (5) year anniversary of the grant date or the reporting person's termination date, provided such termination occurs after the one year vesting date.