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 |
|---|---|---|---|
| 8-K |
Current report
Material agreement
|
Oct 13, 2026 | Oct 13, 2026 |
| 8-K |
Current report
Material agreement
|
Jul 31, 2026 | Jul 30, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2026 | May 27, 2026 |
| 8-K |
Current report
Material agreement
|
Mar 4, 2026 | Mar 2, 2026 |
| 8-K |
Current report
Material agreement
|
Feb 25, 2026 | Feb 24, 2026 |
| 8-K |
Current report
Material agreement
|
Jan 29, 2026 | Jan 28, 2025 |
| 8-K |
Current report
Officer or director change
|
Jan 21, 2026 | Jan 1, 2026 |
| 8-K |
Current report
Material agreement
|
Dec 19, 2025 | Dec 18, 2025 |
| 8-K |
Current report
Material agreement
|
Nov 26, 2025 | Nov 25, 2025 |
| 8-K |
Current report
Material agreement
|
Sep 29, 2025 | Sep 26, 2025 |
| 8-K |
Current report
Material agreement
|
Sep 11, 2025 | Sep 10, 2025 |
| 8-K |
Current report
Material agreement
|
Jul 25, 2025 | Jul 22, 2025 |
| 8-K |
Current report
Material agreement
|
Jun 23, 2025 | Jun 23, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 9, 2025 | Jun 6, 2025 |
| 8-K |
Current report
Material agreement
|
Jun 2, 2025 | May 27, 2025 |
| 8-K |
Current report
Auditor change
|
Apr 22, 2025 | Apr 22, 2025 |
| 8-K |
Current report
Material agreement
|
Mar 27, 2025 | Mar 26, 2025 |
| 8-K |
Current report
Material agreement
|
Mar 13, 2025 | Mar 10, 2025 |
| 8-K |
Current report
Material agreement
|
Dec 5, 2024 | Dec 4, 2024 |
| 8-K |
Current report
Material agreement
|
Sep 24, 2024 | Sep 23, 2024 |
| 8-K |
Current report
Material agreement
|
Aug 21, 2024 | Aug 19, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2024 | Jun 4, 2024 |
| 8-K |
Current report
Officer or director change
|
May 1, 2024 | Apr 29, 2024 |
| 8-K |
Current report
Unregistered share sale
|
Apr 1, 2024 | Apr 1, 2024 |
| 8-K |
Current report
Material agreement
|
Mar 11, 2024 | Mar 8, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Feb 28, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Material agreement
|
Feb 27, 2024 | Feb 26, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Feb 23, 2024 | Feb 23, 2024 |
| 8-K |
Current report
Material agreement
|
Feb 8, 2024 | Feb 5, 2024 |
| 8-K |
Current report
Material agreement
|
Jan 26, 2024 | Jan 26, 2024 |
| 8-K |
Current report
Material agreement
|
Dec 28, 2023 | Dec 27, 2023 |
| 8-K |
Current report
Material agreement
|
Nov 28, 2023 | Nov 27, 2023 |
| 8-K |
Current report
Material agreement
|
Oct 10, 2023 | Oct 6, 2023 |
| 8-K |
Current report
Material agreement
|
Aug 15, 2023 | Aug 15, 2023 |
| 8-K |
Current report
Material agreement
|
Jul 20, 2023 | Jul 19, 2023 |
| 8-K |
Current report
Material agreement
|
Jun 26, 2023 | Jun 22, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 2, 2023 | Jun 1, 2023 |
| 8-K |
Current report
Material agreement
|
May 11, 2023 | May 10, 2023 |
| 8-K |
Current report
Material agreement
|
Apr 10, 2023 | Apr 6, 2023 |
| 8-K |
Current report
Material agreement
|
Feb 9, 2023 | Feb 9, 2023 |
| 8-K |
Current report
Material agreement, Officer or director change, Other events
|
Jan 20, 2023 | Jan 20, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 3, 2022 | Jun 2, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2021 | Jun 4, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2020 | Jun 4, 2020 |
| 8-K |
Current report
Other events
|
Jan 15, 2020 | Jan 15, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2019 | Jun 7, 2019 |
| 8-K |
Current report
Material agreement
|
May 21, 2019 | May 21, 2019 |
| 8-K |
Current report
Other events
|
Mar 4, 2019 | Mar 4, 2019 |
| 8-K |
Current report
Other events
|
Jan 18, 2019 | Jan 18, 2019 |
| 8-K |
Current report
Other events
|
Sep 14, 2018 | Sep 14, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Jun 8, 2018 | Jun 8, 2018 |
| 8-K |
Current report
Other events
|
Mar 8, 2018 | Mar 6, 2018 |
| 8-K |
Current report
Acquisition or sale of assets, Other events
|
Jan 31, 2018 | Jan 31, 2018 |
| 8-K |
Current report
Material agreement
|
Jan 22, 2018 | Jan 22, 2018 |
| 8-K |
Current report
Other events
|
Sep 26, 2017 | Sep 26, 2017 |
| 8-K |
Current report
Other events
|
Aug 30, 2017 | Aug 30, 2017 |
| 8-K |
Current report
Other events
|
Aug 15, 2017 | Aug 15, 2017 |
| 8-K |
Current report
Other events
|
Aug 2, 2017 | Aug 2, 2017 |
| 8-K |
Current report
Other events
|
Jul 19, 2017 | Jul 19, 2017 |
| 8-K |
Current report
Other events
|
Jun 29, 2017 | Jun 29, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Jun 1, 2017 | Jun 1, 2017 |
| 8-K |
Current report
Officer or director change
|
Jun 30, 2016 | Jun 30, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2016 | Jun 7, 2016 |
| 8-K |
Current report
Other events
|
May 2, 2016 | May 2, 2016 |
| 8-K |
Current report
Other events
|
Jun 30, 2015 | Jun 30, 2015 |
| 8-K |
Current report
Other events
|
Jun 30, 2015 | Jun 30, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Jun 4, 2015 | Jun 4, 2015 |
| 8-K |
Current report
Other events
|
Dec 29, 2014 | Dec 29, 2014 |
| 8-K |
Current report
Shareholder vote results
|
Jun 9, 2014 | Jun 9, 2014 |
| 8-K/A |
Amended current report
Acquisition or sale of assets
|
Aug 29, 2013 | Aug 29, 2013 |
| 8-K |
Current report
Other events
|
Aug 20, 2013 | Aug 20, 2013 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jul 5, 2013 | Jul 5, 2013 |
| 8-K |
Current report
Material agreement, Officer or director change
|
Jun 21, 2013 | Jun 21, 2013 |
| 8-K |
Current report
Other events
|
Jun 14, 2013 | Jun 14, 2013 |
| 8-K |
Current report
Shareholder vote results
|
Jun 10, 2013 | Jun 10, 2013 |
| 8-K |
Current report
Officer or director change
|
May 10, 2013 | May 10, 2013 |
| 8-K |
Current report
Officer or director change
|
Mar 18, 2013 | Mar 18, 2013 |
| 8-K |
Current report
Other events
|
Oct 22, 2012 | Oct 22, 2012 |
| 8-K |
Current report
Other events
|
Oct 22, 2012 | Oct 22, 2012 |
| 8-K |
Current report
Other events
|
Oct 12, 2012 | Oct 11, 2012 |
| 8-K |
Current report
Officer or director change, Other events
|
Aug 31, 2012 | Aug 31, 2012 |
| 8-K |
Current report
Other events
|
Aug 13, 2012 | Aug 13, 2012 |
| 8-K |
Current report
Other events
|
Jul 25, 2012 | Jul 24, 2012 |
| 8-K |
Current report
Other events
|
Jun 14, 2012 | Jun 14, 2012 |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2012 | Jun 11, 2012 |
| 8-K |
Current report
Other events
|
May 14, 2012 | May 14, 2012 |
| 8-K |
Current report
Other events
|
Mar 8, 2012 | Mar 8, 2012 |
| 8-K |
Current report
Officer or director change, Other events
|
Jan 3, 2012 | Dec 30, 2011 |
| 8-K |
Current report
Other events
|
Oct 31, 2011 | Oct 31, 2011 |
| 8-K |
Current report
Other events
|
Sep 7, 2011 | Sep 7, 2011 |
| 8-K |
Current report
Other events
|
Sep 1, 2011 | Sep 1, 2011 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2011 | Jun 3, 2011 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2010 | Jun 7, 2010 |
| 8-K |
Current report
Auditor change
|
Apr 22, 2010 | Apr 22, 2010 |
| 8-K |
Current report
Officer or director change
|
Jan 26, 2009 | Jan 26, 2009 |
| 8-K |
Current report
Officer or director change
|
Nov 6, 2008 | Nov 5, 2008 |
| 8-K |
Current report
Auditor change
|
Sep 14, 2007 | Sep 11, 2007 |
| 8-K |
Current report
Other events
|
Apr 17, 2007 | Apr 17, 2007 |
| 8-K |
Current report
Other events
|
Dec 19, 2006 | Dec 19, 2006 |
| 8-K |
Current report
Officer or director change
|
Jan 27, 2006 | Jan 27, 2006 |
| 8-K |
Current report
Officer or director change
|
Jan 4, 2006 | Jan 3, 2006 |
| 8-K |
Current report
Officer or director change
|
Oct 18, 2005 | Oct 18, 2005 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jul 21, 2005 | Jul 14, 2005 |
| 8-K |
Current report
Material agreement
|
Jun 3, 2005 | Jun 3, 2005 |
| 8-K | Current report | Aug 28, 2003 | Aug 26, 2003 |
| 8-K/A | Amended current report | Feb 13, 2003 | Dec 3, 2002 |
| 8-K | Current report | Dec 17, 2002 | Dec 31, 2002 |
| 8-K | Current report | Aug 27, 2001 | Aug 27, 2001 |
| 8-K | Current report | May 31, 2001 | Jun 30, 2001 |
| 8-K | Current report | May 24, 2001 | May 24, 2001 |
| 8-K | Current report | Jun 9, 2000 | Jun 9, 2000 |
Showing 111 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
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- Piedmont Realty Trust, Inc. PDM
- Mays J W Inc MAYS
- Awaysis Capital, Inc. AWCA
- Gyrodyne, LLC GYRO
- Zoned Properties, Inc. ZDPY
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.