American Shared Hospital Services SEC filings AMS
American Shared Hospital Services has 773 filings in SEC EDGAR's recent list, going back to May 15, 1995. Its latest annual report, Form ARS, was filed on Apr 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 13, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Aug 13, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2026 | Aug 13, 2026 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Jul 28, 2026 | Jul 22, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 13, 2026 | Jul 7, 2026 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 30, 2026 | Jun 24, 2026 |
| 8-K | Current report | Jun 4, 2026 | May 29, 2026 |
| 10-Q | Quarterly report | May 14, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 14, 2026 | May 14, 2026 |
| DEFA14A | Additional proxy material | May 7, 2026 | — |
| ARS | Annual report to shareholders | Apr 30, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 30, 2026 | — |
| DEF 14A | Proxy statement | Apr 30, 2026 | Jun 24, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 24, 2026 | Apr 20, 2026 |
| 10-K | Annual report | Mar 31, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 31, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Material agreement
|
Mar 19, 2026 | Mar 13, 2026 |
| 10-Q/A | Amended quarterly report | Jan 16, 2026 | Sep 30, 2025 |
| 8-K |
Current report
Restatement
|
Jan 2, 2026 | Dec 27, 2025 |
| 8-K |
Current report
Other events
|
Dec 16, 2025 | Dec 10, 2025 |
| 10-Q | Quarterly report | Nov 14, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2025 | Nov 13, 2025 |
| 10-Q | Quarterly report | Aug 13, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2025 | Aug 13, 2025 |
| 8-K/A |
Amended current report
Officer or director change
|
Jul 2, 2025 | Apr 3, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jul 2, 2025 | Jun 26, 2025 |
| 8-K |
Current report
Auditor change
|
Jun 9, 2025 | Jun 3, 2025 |
| 10-Q | Quarterly report | May 15, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 15, 2025 | May 15, 2025 |
| ARS | Annual report to shareholders | Apr 30, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 30, 2025 | — |
| DEF 14A | Proxy statement | Apr 30, 2025 | Jun 26, 2025 |
| 10-K | Annual report | Apr 4, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Apr 4, 2025 | Apr 3, 2025 |
| NT 10-K | Form nt 10-k | Mar 31, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Material agreement, New debt, Officer or director change, Other events
|
Dec 26, 2024 | Dec 17, 2024 |
| 10-Q | Quarterly report | Nov 14, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2024 | Nov 13, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Oct 18, 2024 | Oct 18, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2024 | Aug 14, 2024 |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Other events
|
Jul 23, 2024 | Jul 23, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jul 2, 2024 | Jun 25, 2024 |
| 10-Q | Quarterly report | May 15, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 14, 2024 | May 14, 2024 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Other events
|
May 13, 2024 | May 7, 2024 |
| ARS | Annual report to shareholders | Apr 29, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 29, 2024 | — |
| DEF 14A | Proxy statement | Apr 29, 2024 | Jun 25, 2024 |
| 8-K |
Current report
Officer or director change, Other events
|
Apr 18, 2024 | Apr 12, 2024 |
| 10-K | Annual report | Apr 1, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 28, 2024 | Mar 27, 2024 |
| 8-K |
Current report
Other events
|
Mar 27, 2024 | Mar 26, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 31, 2024 | Jan 25, 2024 |
| S-8 | Employee stock plan registration | Jan 9, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 21, 2023 | Nov 20, 2023 |
| 8-K |
Current report
Material agreement
|
Nov 16, 2023 | Nov 10, 2023 |
| 10-Q | Quarterly report | Nov 14, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2023 | Nov 13, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2023 | Aug 14, 2023 |
| 10-Q | Quarterly report | Aug 14, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2023 | Jun 20, 2023 |
| 10-Q | Quarterly report | May 12, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 12, 2023 | Mar 31, 2023 |
| ARS | Annual report to shareholders | May 1, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | May 1, 2023 | — |
| DEF 14A | Proxy statement | May 1, 2023 | Jun 20, 2023 |
| 8-K |
Current report
Officer or director change
|
Apr 18, 2023 | Apr 12, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 31, 2023 | Mar 28, 2023 |
| 10-K | Annual report | Mar 31, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 24, 2023 | Mar 24, 2023 |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 10, 2023 | Mar 7, 2023 |
| 10-Q | Quarterly report | Nov 10, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2022 | Nov 10, 2022 |
| 8-K |
Current report
Officer or director change, Other events
|
Sep 1, 2022 | Aug 26, 2022 |
| 10-Q/A | Amended quarterly report | Aug 15, 2022 | Jun 30, 2022 |
| 10-Q | Quarterly report | Aug 15, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2022 | Aug 11, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2022 | Jun 21, 2022 |
| 10-Q | Quarterly report | May 12, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 12, 2022 | May 12, 2022 |
| 8-K |
Current report
Officer or director change, Other events
|
May 6, 2022 | May 3, 2022 |
| DEF 14A | Proxy statement | Apr 28, 2022 | Jun 21, 2022 |
| PRE 14A | Preliminary proxy statement | Apr 15, 2022 | Jun 21, 2022 |
| 10-K | Annual report | Mar 30, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Mar 24, 2022 | Mar 22, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 15, 2022 | Feb 15, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 30, 2021 | Dec 24, 2021 |
| 10-Q | Quarterly report | Nov 10, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2021 | Nov 10, 2021 |
| 10-Q | Quarterly report | Aug 12, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2021 | Aug 12, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jul 1, 2021 | Jun 25, 2021 |
| 10-Q | Quarterly report | May 13, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 13, 2021 | May 13, 2021 |
| DEF 14A | Proxy statement | Apr 30, 2021 | Apr 6, 2021 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Apr 15, 2021 | Apr 14, 2021 |
| 10-K | Annual report | Apr 6, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 6, 2021 | Dec 31, 2020 |
| NT 10-K | Filing | Apr 1, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Feb 2, 2021 | Feb 2, 2021 |
| 10-Q | Quarterly report | Nov 13, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2020 | Nov 12, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Sep 16, 2020 | Sep 15, 2020 |
| 10-Q | Quarterly report | Aug 14, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2020 | Aug 13, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jun 30, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Other events
|
Jun 18, 2020 | Jun 18, 2020 |
| 10-Q/A | Amended quarterly report | Jun 11, 2020 | Mar 31, 2020 |
| DEFA14A | Additional proxy material | Jun 3, 2020 | — |
| 10-Q | Quarterly report | May 11, 2020 | Mar 31, 2020 |
| 8-K |
Current report
Results of operations
|
May 11, 2020 | May 8, 2020 |
| DEF 14A | Proxy statement | Apr 29, 2020 | Apr 29, 2020 |
| 8-K |
Current report
Officer or director change, Other events
|
Apr 22, 2020 | Apr 21, 2020 |
| 10-K | Annual report | Apr 3, 2020 | Dec 31, 2019 |
| 8-K |
Current report
Results of operations
|
Apr 2, 2020 | Apr 2, 2020 |
| 8-K |
Current report
Other events
|
Mar 30, 2020 | Mar 30, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 10, 2019 | Dec 9, 2019 |
| 10-Q | Quarterly report | Nov 7, 2019 | Sep 30, 2019 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2019 | Nov 7, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 24, 2019 | Sep 24, 2019 |
| 10-Q | Quarterly report | Aug 13, 2019 | Jun 30, 2019 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2019 | Aug 13, 2019 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 26, 2019 | Jun 21, 2019 |
| 10-Q | Quarterly report | May 13, 2019 | Mar 31, 2019 |
| 8-K |
Current report
Results of operations
|
May 9, 2019 | May 9, 2019 |
| DEF 14A | Proxy statement | Apr 30, 2019 | Jun 21, 2019 |
| 10-K | Annual report | Mar 29, 2019 | Dec 31, 2018 |
| 8-K |
Current report
Results of operations
|
Mar 28, 2019 | Mar 28, 2019 |
| 10-Q | Quarterly report | Nov 9, 2018 | Sep 30, 2018 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2018 | Nov 8, 2018 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 27, 2018 | Sep 27, 2018 |
| 10-Q | Quarterly report | Aug 9, 2018 | Jun 30, 2018 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2018 | Aug 9, 2018 |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2018 | Jun 14, 2018 |
| 10-Q | Quarterly report | May 10, 2018 | Mar 31, 2018 |
| 8-K |
Current report
Results of operations
|
May 10, 2018 | May 10, 2018 |
| DEF 14A | Proxy statement | Apr 30, 2018 | Jun 14, 2018 |
| 10-K | Annual report | Mar 28, 2018 | Dec 31, 2017 |
| 8-K |
Current report
Results of operations
|
Mar 26, 2018 | Mar 26, 2018 |
| CT ORDER | Filing | Nov 17, 2017 | — |
| 10-Q | Quarterly report | Nov 13, 2017 | Sep 30, 2017 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2017 | Nov 13, 2017 |
| 8-K | Current report | Sep 13, 2017 | Sep 7, 2017 |
| 8-K |
Current report
Officer or director change
|
Sep 13, 2017 | Sep 7, 2017 |
| 10-Q | Quarterly report | Aug 10, 2017 | Jun 30, 2017 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2017 | Aug 10, 2017 |
| 8-K |
Current report
Shareholder vote results
|
Jun 30, 2017 | Jun 27, 2017 |
| 10-Q | Quarterly report | May 15, 2017 | Mar 31, 2017 |
| 8-K |
Current report
Results of operations
|
May 15, 2017 | May 15, 2017 |
| DEF 14A | Proxy statement | May 1, 2017 | Jun 27, 2017 |
| 10-K | Annual report | Mar 27, 2017 | Dec 31, 2016 |
| 8-K |
Current report
Results of operations
|
Mar 23, 2017 | Mar 23, 2017 |
| 10-Q | Quarterly report | Nov 10, 2016 | Sep 30, 2016 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2016 | Nov 10, 2016 |
| CT ORDER | Filing | Aug 22, 2016 | — |
| 10-Q | Quarterly report | Aug 11, 2016 | Jun 30, 2016 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2016 | Aug 10, 2016 |
| 8-K |
Current report
Shareholder vote results
|
Jun 23, 2016 | Jun 21, 2016 |
| 10-Q | Quarterly report | May 12, 2016 | Mar 31, 2016 |
| 8-K |
Current report
Results of operations
|
May 10, 2016 | May 10, 2016 |
| DEF 14A | Proxy statement | Apr 29, 2016 | Jun 21, 2016 |
| 10-K | Annual report | Mar 30, 2016 | Dec 31, 2015 |
| 8-K |
Current report
Results of operations
|
Mar 29, 2016 | Mar 29, 2016 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Mar 10, 2016 | Mar 10, 2016 |
| 10-Q | Quarterly report | Nov 12, 2015 | Sep 30, 2015 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2015 | Nov 12, 2015 |
| 424B3 | Prospectus | Sep 21, 2015 | — |
| CT ORDER | Filing | Sep 17, 2015 | — |
| 10-Q | Quarterly report | Aug 19, 2015 | Jun 30, 2015 |
| 8-K |
Current report
Results of operations
|
Aug 19, 2015 | Aug 19, 2015 |
| NT 10-Q | Form nt 10-q | Aug 17, 2015 | Jun 30, 2015 |
| 8-K |
Current report
Shareholder vote results
|
Jun 17, 2015 | Jun 16, 2015 |
| 424B3 | Prospectus | Jun 12, 2015 | — |
| EFFECT | Filing | Jun 11, 2015 | — |
| S-3 | Shelf registration | Jun 1, 2015 | — |
| 10-Q | Quarterly report | May 14, 2015 | Mar 31, 2015 |
| 8-K |
Current report
Results of operations
|
May 14, 2015 | May 14, 2015 |
| CT ORDER | Filing | May 4, 2015 | — |
| DEF 14A | Proxy statement | Apr 30, 2015 | Jun 16, 2015 |
| 10-K | Annual report | Apr 1, 2015 | Dec 31, 2014 |
| 8-K |
Current report
Other events
|
Apr 1, 2015 | Apr 1, 2015 |
| NT 10-K | Form nt 10-k | Apr 1, 2015 | Dec 31, 2014 |
| 8-K |
Current report
Results of operations
|
Mar 30, 2015 | Mar 30, 2015 |
| 8-K |
Current report
Material agreement
|
Dec 11, 2014 | Dec 5, 2014 |
| 10-Q | Quarterly report | Nov 14, 2014 | Sep 30, 2014 |
| 8-K |
Current report
Results of operations
|
Nov 13, 2014 | Nov 13, 2014 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Change to shareholder rights
|
Oct 24, 2014 | Oct 22, 2014 |
| CT ORDER | Filing | Sep 5, 2014 | — |
| 10-Q/A | Amended quarterly report | Aug 15, 2014 | Jun 30, 2014 |
| 10-Q | Quarterly report | Aug 14, 2014 | Jun 30, 2014 |
| 8-K |
Current report
Results of operations
|
Aug 14, 2014 | Aug 14, 2014 |
| CT ORDER | Filing | Jul 21, 2014 | — |
| 10-K/A | Amended annual report | Jun 23, 2014 | Dec 31, 2013 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jun 13, 2014 | Jun 11, 2014 |
| 8-K |
Current report
Shareholder vote results
|
Jun 11, 2014 | Jun 11, 2014 |
| 10-Q | Quarterly report | May 15, 2014 | Mar 31, 2014 |
| 8-K |
Current report
Results of operations
|
May 15, 2014 | May 15, 2014 |
| DEF 14A | Proxy statement | Apr 30, 2014 | Jun 10, 2014 |
| 10-K | Annual report | Mar 31, 2014 | Dec 31, 2013 |
| 8-K |
Current report
Results of operations
|
Mar 27, 2014 | Mar 27, 2014 |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Services-Medical Laboratories (SIC 8071)
- Listed as
- AMS (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- CA
- Headquarters
- San Francisco, CA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 744825
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.