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
10-Q Quarterly report Oct 28, 2026 Sep 30, 2026
8-K Current report
Material agreement
 Oct 13, 2026 Oct 13, 2026
10-Q Quarterly report Aug 12, 2026 Jun 30, 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
10-Q Quarterly report May 11, 2026 Mar 31, 2026
DEF 14A Proxy statement Mar 31, 2026 May 27, 2026
10-K Annual report Mar 30, 2026 Dec 31, 2025
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
10-Q Quarterly report Nov 6, 2025 Sep 30, 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
10-Q Quarterly report Aug 13, 2025 Jun 30, 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
10-Q Quarterly report May 13, 2025 Mar 31, 2025
DEFA14A Additional proxy material Apr 23, 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
DEF 14A Proxy statement Mar 25, 2025 Jun 6, 2025
10-K Annual report Mar 24, 2025 Dec 31, 2024
8-K Current report
Material agreement
 Mar 13, 2025 Mar 10, 2025
8-K Current report
Material agreement
 Dec 5, 2024 Dec 4, 2024
10-Q Quarterly report Nov 13, 2024 Sep 30, 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
10-Q Quarterly report Aug 9, 2024 Jun 30, 2024
8-K Current report
Shareholder vote results
 Jun 5, 2024 Jun 4, 2024
10-Q Quarterly report May 9, 2024 Mar 31, 2024
8-K Current report
Officer or director change
 May 1, 2024 Apr 29, 2024
DEFA14A Additional proxy material Apr 3, 2024 —
DEF 14A Proxy statement Apr 3, 2024 Jun 4, 2024
8-K Current report
Unregistered share sale
 Apr 1, 2024 Apr 1, 2024
PRE 14A Preliminary proxy statement Mar 22, 2024 Jun 4, 2024
10-K Annual report Mar 18, 2024 Dec 31, 2023
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
10-Q Quarterly report Nov 9, 2023 Sep 30, 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
10-Q Quarterly report Aug 1, 2023 Jun 30, 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
10-Q Quarterly report May 2, 2023 Mar 31, 2023
8-K Current report
Material agreement
 Apr 10, 2023 Apr 6, 2023
DEF 14A Proxy statement Mar 30, 2023 Mar 31, 2023
10-K Annual report Mar 28, 2023 Dec 31, 2022
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
10-Q Quarterly report Nov 3, 2022 Sep 30, 2022
10-Q Quarterly report Aug 5, 2022 Jun 30, 2022
8-K Current report
Shareholder vote results
 Jun 3, 2022 Jun 2, 2022
10-Q Quarterly report May 5, 2022 Mar 31, 2022
DEF 14A Proxy statement Mar 29, 2022 Jun 2, 2022
10-K Annual report Mar 25, 2022 Dec 31, 2021
10-Q Quarterly report Nov 9, 2021 Sep 30, 2021
10-Q Quarterly report Aug 10, 2021 Jun 30, 2021
8-K Current report
Shareholder vote results
 Jun 4, 2021 Jun 4, 2021
10-Q Quarterly report May 11, 2021 Mar 31, 2021
DEF 14A Proxy statement Mar 26, 2021 Dec 31, 2020
10-K Annual report Mar 24, 2021 Dec 31, 2020
10-Q Quarterly report Nov 10, 2020 Sep 30, 2020
10-Q Quarterly report Aug 10, 2020 Jun 30, 2020
8-K Current report
Shareholder vote results
 Jun 4, 2020 Jun 4, 2020
DEFA14A Additional proxy material May 19, 2020 —
10-Q Quarterly report May 7, 2020 Mar 31, 2020
DEF 14A Proxy statement Mar 25, 2020 Dec 31, 2019
10-K Annual report Mar 25, 2020 Dec 31, 2019
8-K Current report
Other events
 Jan 15, 2020 Jan 15, 2020
10-Q Quarterly report Nov 12, 2019 Sep 30, 2019
10-Q Quarterly report Aug 12, 2019 Jun 30, 2019
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
10-Q Quarterly report May 13, 2019 Mar 31, 2019
DEF 14A Proxy statement Mar 27, 2019 Mar 26, 2019
10-K Annual report Mar 27, 2019 Dec 31, 2018
8-K Current report
Other events
 Mar 4, 2019 Mar 4, 2019
8-K Current report
Other events
 Jan 18, 2019 Jan 18, 2019
10-Q Quarterly report Nov 9, 2018 Sep 30, 2018
8-K Current report
Other events
 Sep 14, 2018 Sep 14, 2018
10-Q Quarterly report Aug 13, 2018 Jun 30, 2018
8-K Current report
Shareholder vote results
 Jun 8, 2018 Jun 8, 2018
10-Q Quarterly report May 14, 2018 Mar 31, 2018
10-K/A Amended annual report Apr 30, 2018 Apr 30, 2018
DEF 14A Proxy statement Apr 4, 2018 Apr 4, 2018
10-K Annual report Mar 30, 2018 Dec 31, 2017
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
10-Q Quarterly report Nov 14, 2017 Sep 30, 2017
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
10-Q Quarterly report Aug 11, 2017 Jun 30, 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
10-Q Quarterly report May 11, 2017 Mar 31, 2017
DEF 14A Proxy statement Mar 31, 2017 Mar 31, 2017
10-K Annual report Mar 30, 2017 Dec 31, 2016
10-Q Quarterly report Nov 8, 2016 Sep 30, 2016
10-Q Quarterly report Aug 11, 2016 Jun 30, 2016
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
10-Q Quarterly report May 12, 2016 Mar 31, 2016
8-K Current report
Other events
 May 2, 2016 May 2, 2016
DEF 14A Proxy statement Apr 11, 2016 Apr 11, 2016
PRE 14A Preliminary proxy statement Mar 31, 2016 Mar 31, 2016
10-K Annual report Mar 29, 2016 Dec 31, 2015
10-Q Quarterly report Nov 10, 2015 Sep 30, 2015
10-Q Quarterly report Aug 12, 2015 Jun 30, 2015
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
10-Q Quarterly report May 13, 2015 Mar 31, 2015
DEF 14A Proxy statement Mar 31, 2015 Mar 31, 2015
10-K Annual report Mar 30, 2015 Dec 31, 2014
8-K Current report
Other events
 Dec 29, 2014 Dec 29, 2014
10-Q Quarterly report Nov 12, 2014 Sep 30, 2014
10-Q Quarterly report Aug 11, 2014 Jun 30, 2014
8-K Current report
Shareholder vote results
 Jun 9, 2014 Jun 9, 2014
10-Q Quarterly report May 13, 2014 Mar 31, 2014
DEF 14A Proxy statement Mar 31, 2014 Dec 31, 2013
10-K Annual report Mar 26, 2014 Dec 31, 2013
UPLOAD Letter from the SEC Jan 30, 2014 —
10-Q/A Amended quarterly report Jan 17, 2014 Jun 30, 2013
CORRESP Letter to the SEC Jan 17, 2014 —
UPLOAD Letter from the SEC Dec 16, 2013 —
10-Q Quarterly report Nov 12, 2013 Sep 30, 2013
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
10-Q Quarterly report Aug 13, 2013 Jun 30, 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
10-Q Quarterly report May 14, 2013 Mar 31, 2013
8-K Current report
Officer or director change
 May 10, 2013 May 10, 2013
DEF 14A Proxy statement Apr 1, 2013 Apr 1, 2013
10-K Annual report Mar 28, 2013 Dec 31, 2012
8-K Current report
Officer or director change
 Mar 18, 2013 Mar 18, 2013
UPLOAD Letter from the SEC Jan 18, 2013 —
10-K/A Amended annual report Jan 4, 2013 Dec 31, 2011
CORRESP Letter to the SEC Jan 4, 2013 —
UPLOAD Letter from the SEC Dec 20, 2012 —
10-Q Quarterly report Nov 14, 2012 Sep 30, 2012
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
10-Q Quarterly report Aug 9, 2012 Jun 30, 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
10-Q Quarterly report May 10, 2012 Mar 31, 2012
DEF 14A Proxy statement Mar 29, 2012 Dec 31, 2011
10-K Annual report Mar 28, 2012 Dec 31, 2011
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
10-Q/A Amended quarterly report Nov 10, 2011 Sep 30, 2011
10-Q/A Amended quarterly report Nov 10, 2011 Sep 30, 2011
10-Q Quarterly report Nov 9, 2011 Sep 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
10-Q Quarterly report Aug 11, 2011 Jun 30, 2011
8-K Current report
Shareholder vote results
 Jun 7, 2011 Jun 3, 2011
10-Q Quarterly report May 9, 2011 Mar 31, 2011
DEF 14A Proxy statement Apr 4, 2011 Dec 31, 2010
10-K Annual report Mar 30, 2011 Dec 31, 2010
10-Q Quarterly report Nov 9, 2010 Sep 30, 2010
10-Q Quarterly report Aug 10, 2010 Jun 30, 2010
8-K Current report
Shareholder vote results
 Jun 7, 2010 Jun 7, 2010
10-Q Quarterly report May 13, 2010 Mar 31, 2010
8-K Current report
Auditor change
 Apr 22, 2010 Apr 22, 2010
DEF 14A Proxy statement Apr 7, 2010 Dec 31, 2009
10-K Annual report Mar 29, 2010 Dec 31, 2009
UPLOAD Letter from the SEC Jan 22, 2010 —
CORRESP Letter to the SEC Dec 18, 2009 —
UPLOAD Letter from the SEC Dec 4, 2009 —
10-Q Quarterly report Nov 10, 2009 Sep 30, 2009
10-Q Quarterly report Aug 4, 2009 Jun 30, 2009

Showing 200 filings, the most recent 200. 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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Source: SEC EDGAR filings. This is company-reported data, not investment advice.