Claude LeBlanc - 09 Jul 2025 Form 4/A - Amendment Insider Report for AMBAC FINANCIAL GROUP INC (AMBC)

Role: Chief Executive Officer, Director
Signature: William White, attorney-in-fact
Issuer symbol: AMBC
Transactions as of: 09 Jul 2025
Transactions value $: $0
Form type: 4/A - Amendment
Filing time: 03 Oct 2025, 16:18:11 UTC
Date Of Original Report: 09 Jul 2025
Previous filing: 14 May 2025
Next filing: 11 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
LeBlanc Claude	Chief Executive Officer, Director	AMBAC FINANCIAL GROUP, INC., ONE WORLD TRADE CENTER, 41ST FLOOR, NEW YORK	William White, attorney-in-fact	03 Oct 2025	0001380820

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	Restricted Stock Units	Award	$0	+118K	+165.2%	$0.00	190K	09 Jul 2025	Common Stock	118K		Direct	F1, F2, F3

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

Explanation of Responses:

Id	Content
F1	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	This amendment reports the corrected number of RSUs granted to the reporting person on July 9, 2025. At that time, 45,650 of the RSUs previously reported on that date were void ab initio and cancelled.
F3	The RSUs will vest in three equal annual installments commencing July 9, 2026, July 9, 2027, and July 9, 2028.