AMBAC FINANCIAL GROUP INC
SEC Filing List

AMBC         CIK: 0000874501

Form Description Owner/Filer Filing Agent Date Actions
DEF 14ADefinitive proxy statementsOctave Specialty Group Inc Workiva Inc. Wdesk FA01 /fa04/10/2026
DEFA14ADefinitive additional proxy soliciting m...Octave Specialty Group Inc Workiva Inc. Wdesk FA01 /fa04/10/2026
ARSAnnual report to security holdersOctave Specialty Group Inc Workiva Inc. Wdesk FA01 /fa04/10/2026
8-KCurrent report filingOctave Specialty Group Inc Workiva Inc. Wdesk FA01 /fa04/07/2026
4Statement of changes in beneficial owner...Price Michael DWorkiva Inc. Wdesk FA01 /fa04/02/2026
4Statement of changes in beneficial owner...Iglesias Lisa GWorkiva Inc. Wdesk FA01 /fa04/02/2026
4Statement of changes in beneficial owner...Matus Kristi AnnWorkiva Inc. Wdesk FA01 /fa04/02/2026
4Statement of changes in beneficial owner...Lammtennant Joan MWorkiva Inc. Wdesk FA01 /fa04/02/2026
4Statement of changes in beneficial owner...Stein Jeffrey ScottWorkiva Inc. Wdesk FA01 /fa04/02/2026
4Statement of changes in beneficial owner...Haft Ian DavidWorkiva Inc. Wdesk FA01 /fa04/02/2026
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