AmBase ABCP SEC Filings

OTC ABCP
$0.16 -0.05 (-23.81%)
At close: Oct 19, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing AmBase Corp (ABCP) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001140361-26-039418Oct 13, 2026 11:13 PM
210-QQuarterly & Annual Report0001140361-26-032439Aug 12, 2026 12:59 PM
38-KCurrent Report0001140361-26-030442Jul 31, 2026 5:36 PM
48-KCurrent Report0001140361-26-023251May 29, 2026 11:41 AM
510-QQuarterly & Annual Report0001140361-26-020520May 11, 2026 7:19 PM
610-QQuarterly & Annual Report0001140361-26-020520May 11, 2026 7:19 PM
710-QQuarterly & Annual Report0001140361-26-020520May 11, 2026 3:19 PM
8DEF 14AOthers0001140361-26-012252Mar 31, 2026 12:57 PM
910-KQuarterly & Annual Report0001140361-26-012027Mar 30, 2026 5:38 PM
108-KCurrent Report0001140361-26-007783Mar 4, 2026 11:24 AM
118-KCurrent Report0001140361-26-006772Feb 25, 2026 3:20 PM
128-KCurrent Report0001140361-26-002808Jan 29, 2026 4:17 PM
138-KCurrent Report0001140361-26-001845Jan 21, 2026 4:12 PM
148-KCurrent Report0001140361-25-046179Dec 19, 2025 2:58 PM
158-KCurrent Report0001140361-25-043442Nov 26, 2025 11:25 AM
1610-QQuarterly & Annual Report0001140361-25-040725Nov 6, 2025 12:47 PM
178-KCurrent Report0001140361-25-036484Sep 29, 2025 3:15 PM
188-KCurrent Report0001140361-25-034689Sep 11, 2025 3:41 PM
1910-QQuarterly & Annual Report0001140361-25-030759Aug 13, 2025 2:29 PM
208-KCurrent Report0001140361-25-027288Jul 25, 2025 11:50 AM
218-KCurrent Report0001140361-25-023344Jun 23, 2025 4:05 PM
228-KCurrent Report0001140361-25-021930Jun 9, 2025 3:06 PM
238-KCurrent Report0001140361-25-021117Jun 2, 2025 4:17 PM
2410-QQuarterly & Annual Report0001140361-25-018623May 13, 2025 3:46 PM
25DEFA14AOthers0001140361-25-015166Apr 23, 2025 3:24 PM
268-KCurrent Report0001140361-25-014937Apr 22, 2025 5:04 PM
278-KCurrent Report0001140361-25-010698Mar 27, 2025 4:14 PM
28DEF 14AOthers0001140361-25-010232Mar 25, 2025 3:59 PM
2910-KQuarterly & Annual Report0001140361-25-010025Mar 24, 2025 4:08 PM
308-KCurrent Report0001140361-25-008585Mar 13, 2025 12:46 PM
318-KCurrent Report0001140361-24-048490Dec 5, 2024 4:36 PM
3210-QQuarterly & Annual Report0001140361-24-046383Nov 13, 2024 1:59 PM
338-KCurrent Report0001140361-24-041709Sep 24, 2024 12:36 PM
348-KCurrent Report0001140361-24-038071Aug 21, 2024 4:12 PM
3510-QQuarterly & Annual Report0001140361-24-036570Aug 9, 2024 1:08 PM
368-KCurrent Report0001140361-24-028954Jun 5, 2024 11:22 AM
3710-QQuarterly & Annual Report0001140361-24-025152May 9, 2024 3:21 PM
38SC 13DBeneficial Ownership Report0001140361-24-023798May 1, 2024 7:51 PM
39SC 13DBeneficial Ownership Report0001140361-24-023798May 1, 2024 7:51 PM
40SC 13DBeneficial Ownership Report0001140361-24-023798May 1, 2024 7:51 PM
414Insider Transaction0001140361-24-023797May 1, 2024 7:51 PM
424Insider Transaction0001140361-24-023797May 1, 2024 7:51 PM
434Insider Transaction0001140361-24-023797May 1, 2024 7:51 PM
444Insider Transaction0000020639-24-000001May 1, 2024 2:11 PM
454Insider Transaction0000020639-24-000001May 1, 2024 2:11 PM
464Insider Transaction0000020639-24-000001May 1, 2024 2:11 PM
478-KCurrent Report0001140361-24-023639May 1, 2024 11:25 AM
48DEFA14AOthers0001140361-24-017656Apr 3, 2024 5:08 PM
49DEF 14AOthers0001140361-24-017635Apr 3, 2024 4:48 PM
50SC 13DBeneficial Ownership Report0001140361-24-017043Apr 1, 2024 8:25 PM
...

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