Cristina E. Ahn - 29 Sep 2025 Form 3 Insider Report for AMBAC FINANCIAL GROUP INC (AMBC)

Role: Chief Accounting Officer
Signature: William J. White, attoney-in-fact
Issuer symbol: AMBC
Transactions as of: 29 Sep 2025
Net transactions value: $0
Form type: 3
Filing time: 30 Sep 2025, 16:16:44 UTC
Previous filing: 19 May 2023
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ahn Cristina E.	Chief Accounting Officer	C/O AMBAC FINANCIAL GROUP, INC., ONE WORLD TRADE CENTER, NEW YORK	William J. White, attoney-in-fact	30 Sep 2025	0001977360

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
holding	AMBC	Restricted Stock Units							29 Sep 2025	Common Stock	2,486	$0.000000	Direct	F1

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

Explanation of Responses:

Id	Content
F1	On March 10, 2025 the reporting person received a grant of 2,486 restricted stock units ("RSUs") as part of their 2025 Long Term Incentive Plan award. The RSUs will vest in three equal annual installments commencing March 10, 2026, March 3, 2027, and March 3, 2028.