R. Sharon Smith - Nov 12, 2025 Form 4 Insider Report for OCTAVE SPECIALTY GROUP INC (AMBC)

Role
Exec VP & Group COO
Signature
William White, attorney-in-fact
Stock symbol
AMBC
Transactions as of
Nov 12, 2025
Transactions value $
$205
Form type
4
Date filed
11/14/2025, 04:28 PM
Previous filing
Oct 3, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Smith R Sharon Exec VP & Group COO OCTAVE SPECIALTY GROUP, INC., ONE WORLD TRADE CENTER, 41ST FLOOR, NEW YORK William White, attorney-in-fact 2025-11-14 0001707461

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMBC Common Stock Purchase $205 +20 +0.01% $10.25 171K Nov 12, 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares were purchased as gift to the reporting persons son.

Remarks:

Ambac Financial Group, Inc. changed its name to Octave Specialty Group, Inc. on November 10, 2025.