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Ambac (AMBC) Director Awarded 4,126 Restricted Stock Units

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Kristi Ann Matus, a Director of Ambac Financial Group, Inc. (AMBC), was granted 4,126 restricted stock units (RSUs) on 10/01/2025. Each RSU represents a contingent right to one share of common stock and the award is scheduled to vest on 10/01/2026. The Form 4 reports 4,126 shares beneficially owned following the grant, listed as direct ownership. The filing notes that vested RSUs will settle into shares when the reporting person resigns or otherwise ceases to be a member of the Company’s Board of Directors.

Positive

  • 4,126 RSUs granted to Director on 10/01/2025, increasing reported direct ownership
  • Vesting date set for 10/01/2026, providing a clear one-year vesting schedule

Negative

  • None.

Insights

Director received 4,126 RSUs vesting in one year.

The filing shows a standard board compensation grant: 4,126 RSUs awarded on 10/01/2025 with a vesting date of 10/01/2026. The RSUs convert to one share each and are recorded as direct beneficial ownership of 4,126 shares following the grant.

The settlement condition specifies vested RSUs will convert to shares upon the director’s resignation or cessation of Board membership, which is a contractual timing detail disclosed in the Form 4.

Insider Matus Kristi Ann
Role Director
Type Security Shares Price Value
Grant/Award Restricted Stock Units 4,126 $0.00 --
Holdings After Transaction: Restricted Stock Units — 4,126 shares (Direct)
Footnotes (1)
  1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company"). RSU's granted on October 1, 2025 shall vest one year later on October 1, 2026. 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.
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Matus Kristi Ann
(Last) (First) (Middle)
AMBAC FINANCIAL GROUP, INC.
ONE WORLD TRADE CENTER
(Street)
NEW YORK NY 10007
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
AMBAC FINANCIAL GROUP INC [ AMBC ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units (1) 10/01/2025 A 4,126 (2) (2) Common Stock 4,126 $0 4,126 D
Explanation of Responses:
1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company").
2. RSU's granted on October 1, 2025 shall vest one year later on October 1, 2026. 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.
Remarks:
William J. White, attorney in fact 10/02/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What did the AMBC Form 4 filed by Kristi Ann Matus disclose?

The Form 4 discloses a grant of 4,126 RSUs on 10/01/2025, with vesting on 10/01/2026, and 4,126 shares reported as beneficially owned following the transaction.

When do the RSUs granted to the AMBC director vest?

The RSUs vest on 10/01/2026, one year after the grant date of 10/01/2025.

How many shares does each RSU convert into for AMBC?

Each restricted stock unit represents a contingent right to receive one share of Ambac Financial Group common stock.

How and when will vested RSUs settle into shares according to the filing?

The filing states vested RSUs will settle into shares upon the reporting person’s resignation or when they otherwise cease to be a Board member.

How many shares does the reporting person beneficially own after the reported transaction?

The Form 4 reports 4,126 shares beneficially owned following the reported grant.