AmBase ABCP SEC Filings

OTC ABCP
$0.24 +0.04 (+20.00%)
At close: Nov 9, 2026 · 4:00 PM EST
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
110-QQuarterly & Annual Report0001140361-26-041028Oct 28, 2026 7:41 PM
28-KCurrent Report0001140361-26-039418Oct 13, 2026 11:13 PM
310-QQuarterly & Annual Report0001140361-26-032439Aug 12, 2026 4:59 PM
48-KCurrent Report0001140361-26-030442Jul 31, 2026 5:36 PM
58-KCurrent Report0001140361-26-023251May 29, 2026 3:41 PM
610-QQuarterly & Annual Report0001140361-26-020520May 11, 2026 7:19 PM
7DEF 14AOthers0001140361-26-012252Mar 31, 2026 4:57 PM
810-KQuarterly & Annual Report0001140361-26-012027Mar 30, 2026 9:38 PM
98-KCurrent Report0001140361-26-007783Mar 4, 2026 4:24 PM
108-KCurrent Report0001140361-26-006772Feb 25, 2026 8:20 PM
118-KCurrent Report0001140361-26-002808Jan 29, 2026 9:17 PM
128-KCurrent Report0001140361-26-001845Jan 21, 2026 9:12 PM
138-KCurrent Report0001140361-25-046179Dec 19, 2025 7:58 PM
148-KCurrent Report0001140361-25-043442Nov 26, 2025 4:25 PM
1510-QQuarterly & Annual Report0001140361-25-040725Nov 6, 2025 5:47 PM
168-KCurrent Report0001140361-25-036484Sep 29, 2025 7:15 PM
178-KCurrent Report0001140361-25-034689Sep 11, 2025 7:41 PM
1810-QQuarterly & Annual Report0001140361-25-030759Aug 13, 2025 6:29 PM
198-KCurrent Report0001140361-25-027288Jul 25, 2025 3:50 PM
208-KCurrent Report0001140361-25-023344Jun 23, 2025 8:05 PM
218-KCurrent Report0001140361-25-021930Jun 9, 2025 7:06 PM
228-KCurrent Report0001140361-25-021117Jun 2, 2025 8:17 PM
2310-QQuarterly & Annual Report0001140361-25-018623May 13, 2025 7:46 PM
24DEFA14AOthers0001140361-25-015166Apr 23, 2025 7:24 PM
258-KCurrent Report0001140361-25-014937Apr 22, 2025 9:04 PM
268-KCurrent Report0001140361-25-010698Mar 27, 2025 8:14 PM
27DEF 14AOthers0001140361-25-010232Mar 25, 2025 7:59 PM
2810-KQuarterly & Annual Report0001140361-25-010025Mar 24, 2025 8:08 PM
298-KCurrent Report0001140361-25-008585Mar 13, 2025 4:46 PM
308-KCurrent Report0001140361-24-048490Dec 5, 2024 9:36 PM
3110-QQuarterly & Annual Report0001140361-24-046383Nov 13, 2024 6:59 PM
328-KCurrent Report0001140361-24-041709Sep 24, 2024 4:36 PM
338-KCurrent Report0001140361-24-038071Aug 21, 2024 8:12 PM
3410-QQuarterly & Annual Report0001140361-24-036570Aug 9, 2024 5:08 PM
358-KCurrent Report0001140361-24-028954Jun 5, 2024 3:22 PM
3610-QQuarterly & Annual Report0001140361-24-025152May 9, 2024 7:21 PM
37SC 13DBeneficial Ownership Report0001140361-24-023798May 1, 2024 11:51 PM
384Insider Transaction0001140361-24-023797May 1, 2024 11:51 PM
394Insider Transaction0000020639-24-000001May 1, 2024 6:11 PM
408-KCurrent Report0001140361-24-023639May 1, 2024 3:25 PM
41DEFA14AOthers0001140361-24-017656Apr 3, 2024 9:08 PM
42DEF 14AOthers0001140361-24-017635Apr 3, 2024 8:48 PM
43SC 13DBeneficial Ownership Report0001140361-24-017043Apr 1, 2024 12:25 AM
448-KCurrent Report0001140361-24-016976Apr 1, 2024 9:14 PM
45SC 13DBeneficial Ownership Report0001493152-24-011373Mar 26, 2024 12:29 AM
46PRE 14AOthers0001140361-24-014754Mar 22, 2024 4:54 PM
4710-KQuarterly & Annual Report0001140361-24-013921Mar 18, 2024 8:29 PM
48SC 13DBeneficial Ownership Report0001493152-24-009863Mar 13, 2024 12:48 AM
498-KCurrent Report0001140361-24-012523Mar 11, 2024 2:31 PM
50SC 13DBeneficial Ownership Report0001140361-24-012291Mar 8, 2024 8:08 PM
...

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