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AmBase Corp — DEFA14A Filings

3 DEFA14A filings on record

This page lists all DEFA14A filings submitted to the SEC by AmBase Corp (ABCP), sorted by most recent first. Each row links to the full filing on EdgarLookup. AmBase Corp has filed 3 DEFA14A documents with the SEC since 1996. To view all SEC filings by AmBase Corp, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10-Q/A 3 4 4/A 5 8-K 8-K/A ARS CORRESP DEF 14A DEFA14A PRE 14A S-8 SC 13D SC 13D/A SC 13G SC 13G/A UPLOAD
Form Description Accession Number Filed Period
DEFA14A DEFA14A 0001140361-25-015166 Apr 23, 2025 —
DEFA14A DEFA14A 0001140361-24-017656 Apr 3, 2024 —
DEFA14A AMBASE CHANGE IN 2020 ANNUAL MEETING VENUE 0000020639-20-000012 May 19, 2020 —