Joan M Lammtennant is Director of AMBAC FINANCIAL GROUP INC. Currently has a direct ownership of 106,990 shares of AMBC, which is worth approximately $864,479. The most recent transaction as insider was on Sep 29, 2025, when has been sold 106,990 shares (Common Stock, par value $0.01 per share) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 107K
n/a 3M change
n/a 12M change
Total Value Held $864,479

JOAN M LAMMTENNANT Transaction History

Date Transaction Value Shares Traded Shares Held Form
Sep 29 2025
BUY
Conversion of derivative security
-
106,990 Added 50.0%
106,990 Common Stock, par valu...

Also insider at

EQH
Equitable Holdings, Inc. Financial Services
AB
ALLIANCEBERNSTEIN HOLDING L.P. Financial Services
JML

Joan M Lammtennant

Director
New York, NY

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