AmBase Corp SEC filings ABCP
AmBase Corp has 457 filings in SEC EDGAR's recent list, going back to Feb 12, 1996. Its latest annual report, Form 10-K, was filed on Mar 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 28, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 13, 2026 (material agreement). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEF 14A | Proxy statement | Mar 31, 2026 | May 27, 2026 |
| DEFA14A | Additional proxy material | Apr 23, 2025 | — |
| DEF 14A | Proxy statement | Mar 25, 2025 | Jun 6, 2025 |
| DEFA14A | Additional proxy material | Apr 3, 2024 | — |
| DEF 14A | Proxy statement | Apr 3, 2024 | Jun 4, 2024 |
| PRE 14A | Preliminary proxy statement | Mar 22, 2024 | Jun 4, 2024 |
| DEF 14A | Proxy statement | Mar 30, 2023 | Mar 31, 2023 |
| DEF 14A | Proxy statement | Mar 29, 2022 | Jun 2, 2022 |
| DEF 14A | Proxy statement | Mar 26, 2021 | Dec 31, 2020 |
| DEFA14A | Additional proxy material | May 19, 2020 | — |
| DEF 14A | Proxy statement | Mar 25, 2020 | Dec 31, 2019 |
| DEF 14A | Proxy statement | Mar 27, 2019 | Mar 26, 2019 |
| DEF 14A | Proxy statement | Apr 4, 2018 | Apr 4, 2018 |
| DEF 14A | Proxy statement | Mar 31, 2017 | Mar 31, 2017 |
| DEF 14A | Proxy statement | Apr 11, 2016 | Apr 11, 2016 |
| PRE 14A | Preliminary proxy statement | Mar 31, 2016 | Mar 31, 2016 |
| DEF 14A | Proxy statement | Mar 31, 2015 | Mar 31, 2015 |
| DEF 14A | Proxy statement | Mar 31, 2014 | Dec 31, 2013 |
| DEF 14A | Proxy statement | Apr 1, 2013 | Apr 1, 2013 |
| DEF 14A | Proxy statement | Mar 29, 2012 | Dec 31, 2011 |
| DEF 14A | Proxy statement | Apr 4, 2011 | Dec 31, 2010 |
| DEF 14A | Proxy statement | Apr 7, 2010 | Dec 31, 2009 |
| DEF 14A | Proxy statement | Mar 30, 2009 | Dec 31, 2008 |
| DEF 14A | Proxy statement | Mar 28, 2008 | Dec 31, 2007 |
| DEF 14A | Proxy statement | Mar 29, 2007 | Dec 31, 2006 |
| DEF 14A | Proxy statement | Mar 31, 2006 | Dec 31, 2005 |
| DEF 14A | Proxy statement | Apr 1, 2005 | Dec 31, 2004 |
| DEF 14A | Proxy statement | Mar 29, 2004 | Dec 31, 2003 |
| DEF 14A | Proxy statement | Mar 27, 2003 | Dec 31, 2002 |
| DEF 14A | Proxy statement | Mar 28, 2002 | Dec 31, 2001 |
| DEF 14A | Proxy statement | Mar 29, 2001 | Dec 31, 2000 |
| DEF 14A | Proxy statement | Mar 24, 2000 | Dec 31, 1999 |
| DEF 14A | Proxy statement | Mar 22, 1999 | Dec 31, 1998 |
| DEF 14A | Proxy statement | Apr 1, 1998 | Dec 31, 1997 |
| DEF 14A | Proxy statement | Feb 27, 1997 | Dec 31, 1996 |
| DEF 14A | Proxy statement | Mar 22, 1996 | Dec 31, 1995 |
Showing 36 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Opeators of Nonresidential Buildings (SIC 6512)
- Listed as
- ABCP (OTC)
- Fiscal year ends
- December 31
- Headquarters
- Coral Springs, FL
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 20639
Other Opeators of Nonresidential Buildings companies
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.