AmBase Corp SEC filings

Filings

Every filing, newest first. MAJOR and NOTABLE filings lead the app's feed; ROUTINE ones are kept here.

1. NOTABLE8-KAmBase CorpABCP5d

   AmBase Corp files 8-K on 10/13/2026

   • Entered into a Litigation Funding Agreement with Richard A. Bianco on 3/2/2026.
   • RAB paid $1.5M on 10/13/2026 for working capital and litigation expenses.
   • Company needs additional capital to continue as a going concern.
2. NOTABLE10-QAmBase CorpABCPAug 12

   Quarterly report

3. ROUTINE8-KAmBase CorpABCPJul 31

   Current report

4. ROUTINE8-KAmBase CorpABCPMay 29

   Current report

5. NOTABLE10-QAmBase CorpABCPMay 11

   Quarterly report

6. ROUTINEDEF 14AAmBase CorpABCPMar 31

   Proxy statement

7. NOTABLE10-KAmBase CorpABCPMar 30

   Annual report

8. ROUTINE8-KAmBase CorpABCPMar 4

   Current report

9. ROUTINE8-KAmBase CorpABCPFeb 25

   Current report

10. ROUTINE8-KAmBase CorpABCPJan 29

    Current report

11. ROUTINE8-KAmBase CorpABCPJan 21

    Current report

12. ROUTINE8-KAmBase CorpABCPDec 19, 2025

    Current report

13. ROUTINE8-KAmBase CorpABCPNov 26, 2025

    Current report

14. NOTABLE10-QAmBase CorpABCPNov 6, 2025

    Quarterly report

Older filings on EDGAR