American Shared Hospital Services also files under AMC, AMSS; those filings are included.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 22, 2026 | Stachowiak Raymond C | Executive Chairman, Director, 10% Owner | Grant(A) | 220K | — | $0 |
| Jun 22, 2026 | Stachowiak Raymond C | Executive Chairman, Director, 10% Owner | Buy(P) | 586K | $2.28 | $1.3M |
| Mar 26, 2026 | Stachowiak Raymond C | Executive Chairman, Director, 10% Owner | Grant(A) | 100K | — | $0 |
| Jun 26, 2025 | Stachowiak Raymond C | Executive Chairman, Director, 10% Owner | Grant(A) | 110K | — | $0 |
| Apr 30, 2025 | Tagawa Craig Kenji | President | Grant(A) | 6K | — | $0 |
| Dec 19, 2024 | Frech Raymond Scott | Chief Financial Officer | Grant(A) | 50K | — | $0 |
| Oct 14, 2024 | Delanois Gary | Chief Operating Officer | Grant(A) | 120K | — | $0 |
| Mar 22, 2024 | Stachowiak Raymond C | Executive Chairman, Director, 10% Owner | Grant(A) | 120K | — | $0 |
| Apr 17, 2023 | Hiatt Robert L | Chief Financial Officer | Grant(A) | 20K | — | $0 |
| Mar 28, 2023 | Gaccione Peter M | Chief Executive Officer | Grant(A) | 50K | — | $0 |
| Mar 28, 2023 | Stachowiak Raymond C | Executive Chairman, Director, 10% Owner | Grant(A) | 120K | — | $0 |
| Mar 7, 2023 | Tagawa Craig Kenji | President, CFO | Grant(A) | 11K | — | $0 |
| Sep 7, 2022 | Gaccione Peter M | Chief Operating Officer | Grant(A) | 50K | — | $0 |
| May 31, 2022 | Stachowiak Raymond C | CEO, Director, 10% Owner | Option exercise(M) | 2K | $2.70 | $5K |
| May 31, 2022 | Stachowiak Raymond C | CEO, Director, 10% Owner | Option exercise(M) | 2K | — | $0 |
| Apr 1, 2022 | Bates Ernest Robert | Sr.VP Sales and Business Devel | Grant(A) | 801 | — | $0 |
| Apr 1, 2022 | Tagawa Craig Kenji | President/COO/CFO | Grant(A) | 6K | — | $0 |
| Jan 3, 2022 | Stachowiak Raymond C | CEO, Director, 10% Owner | Grant(A) | 120K | — | $0 |
| Dec 28, 2021 | Wilson Vicki L | Director | Grant(A) | 3K | — | $0 |
| Dec 28, 2021 | Miles Kathleen | Director | Grant(A) | 3K | — | $0 |
| Jul 1, 2021 | Stachowiak Raymond C | CEO, Director, 10% Owner | Grant(A) | 60K | $2.94 | $176K |
| Jun 25, 2021 | Lawrence Sandra AJ | Director | Grant(A) | 1K | — | $0 |
| Jun 25, 2021 | Ozyurek Saim Mert | Director | Grant(A) | 1K | — | $0 |
| Jun 25, 2021 | Kelly Daniel G Jr | Director | Grant(A) | 1K | — | $0 |
| Jun 25, 2021 | Larson David | Director | Grant(A) | 1K | — | $0 |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 2K | $3.03 | $6K |
| Jun 4, 2021 | Larson David | Director | Tax withholding(F) | 1K | $3.03 | $4K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 2K | $3.03 | $6K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 2K | $2.25 | $5K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 8K | $2.82 | $21K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 2K | $2.70 | $5K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 2K | $2.68 | $5K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 2K | $2.43 | $5K |
| Jun 4, 2021 | Larson David | Director | Tax withholding(F) | 2K | $3.03 | $5K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 2K | $3.03 | $6K |
| Jun 4, 2021 | Larson David | Director | Tax withholding(F) | 2K | $3.03 | $6K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 2K | $3.03 | $6K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 2K | $3.03 | $6K |
| Jun 4, 2021 | Larson David | Director | Tax withholding(F) | 2K | $3.03 | $5K |
| Jun 4, 2021 | Larson David | Director | Tax withholding(F) | 2K | $3.03 | $5K |
| Jun 4, 2021 | Larson David | Director | Tax withholding(F) | 7K | $3.03 | $20K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 2K | $3.03 | $6K |
| Jun 4, 2021 | Larson David | Director | Option exercise(M) | 8K | $3.03 | $23K |
| Jun 3, 2021 | Ozyurek Saim Mert | Director | Option exercise(M) | 2K | — | $0 |
| Jun 3, 2021 | Ozyurek Saim Mert | Director | Tax withholding(F) | 2K | $3.08 | $5K |
| Jun 3, 2021 | Ozyurek Saim Mert | Director | Option exercise(M) | 2K | $2.43 | $5K |
| Jun 3, 2021 | Stachowiak Raymond C | CEO, Director, 10% Owner | Option exercise(M) | 2K | — | $0 |
| Jun 3, 2021 | Stachowiak Raymond C | CEO, Director, 10% Owner | Option exercise(M) | 2K | $2.43 | $5K |
| Feb 1, 2021 | Stachowiak Raymond C | CEO, Director, 10% Owner | Grant(A) | 60K | $2.55 | $153K |
| Jan 4, 2021 | Kelly Daniel G Jr | Director | Grant(A) | 12K | $2.17 | $25K |
| Jan 4, 2021 | Larson David | Director | Grant(A) | 12K | $2.17 | $25K |
| Jan 4, 2021 | Lawrence Sandra AJ | Director | Grant(A) | 12K | $2.17 | $25K |
| Dec 4, 2020 | Stachowiak Raymond C | CEO, Director, 10% Owner | Grant(A) | 10K | — | $0 |
| Nov 4, 2020 | Stachowiak Raymond C | CEO, Director, 10% Owner | Grant(A) | 10K | — | $0 |
| Oct 4, 2020 | Stachowiak Raymond C | Interim President and CEO, Director, 10% Owner | Grant(A) | 10K | — | $0 |
| Sep 4, 2020 | Stachowiak Raymond C | Interim President & CEO, Director, 10% Owner | Grant(A) | 10K | — | $0 |
| Aug 4, 2020 | Stachowiak Raymond C | Interim President & CEO, Director, 10% Owner | Grant(A) | 10K | — | $0 |
| Jul 2, 2020 | Bates Ernest Robert | Vice President | Grant(A) | 10K | — | $0 |
| Jun 26, 2020 | Larson David | Director | Grant(A) | 500 | $1.88 | $940 |
| Jun 26, 2020 | Lawrence Sandra AJ | Director | Grant(A) | 2K | $1.88 | $4K |
| Jun 26, 2020 | Lawrence Sandra AJ | Director | Grant(A) | 500 | — | $0 |
| Jun 26, 2020 | Kelly Daniel G Jr | Director | Grant(A) | 500 | — | $0 |
| Jun 26, 2020 | Ozyurek Saim Mert | Director | Grant(A) | 2K | $1.88 | $4K |
| Jun 26, 2020 | Larson David | Director | Grant(A) | 2K | $1.88 | $4K |
| Jun 26, 2020 | Ozyurek Saim Mert | Director | Grant(A) | 500 | — | $0 |
| Jun 26, 2020 | Kelly Daniel G Jr | Director | Grant(A) | 2K | $1.88 | $4K |
| May 4, 2020 | Stachowiak Raymond C | Interim President & CEO, Director, 10% Owner | Grant(A) | 50K | — | $0 |
| May 4, 2020 | Stachowiak Raymond C | CEO, Director, 10% Owner | Disposed to issuer(D) | 6K | — | $0 |
| Jan 2, 2020 | Lawrence Sandra AJ | Director | Grant(A) | 8K | — | $0 |
| Jan 2, 2020 | Kelly Daniel G Jr | Director | Grant(A) | 8K | — | $0 |
| Jan 2, 2020 | Larson David | Director | Grant(A) | 8K | — | $0 |
| Jan 2, 2020 | Stachowiak Raymond C | Director, 10% Owner | Grant(A) | 8K | — | $0 |
| Jun 21, 2019 | Kelly Daniel G Jr | Director | Grant(A) | 2K | — | $0 |
| Jun 21, 2019 | Kelly Daniel G Jr | Director | Grant(A) | 500 | — | $0 |
| Jun 21, 2019 | Ozyurek Saim Mert | Director | Grant(A) | 2K | — | $0 |
| Jun 21, 2019 | Larson David | Director | Grant(A) | 2K | — | $0 |
| Jun 21, 2019 | Larson David | Director | Grant(A) | 500 | — | $0 |
| Jun 21, 2019 | Ozyurek Saim Mert | Director | Grant(A) | 500 | — | $0 |
| Jun 21, 2019 | Stachowiak Raymond C | Director, 10% Owner | Grant(A) | 2K | — | $0 |
| Jun 21, 2019 | Stachowiak Raymond C | Director, 10% Owner | Grant(A) | 500 | — | $0 |
| Jun 21, 2019 | Lawrence Sandra AJ | Director | Grant(A) | 2K | — | $0 |
| Jun 21, 2019 | Lawrence Sandra AJ | Director | Grant(A) | 500 | — | $0 |
| Jun 18, 2019 | Trotman Stanley S JR | Director | Option exercise(M) | 2K | $2.16 | $4K |
| Jun 18, 2019 | Trotman Stanley S JR | Director | Option exercise(M) | 2K | $2.68 | $5K |
| Jun 18, 2019 | Trotman Stanley S JR | Director | Option exercise(M) | 2K | — | $0 |
| Jun 18, 2019 | Trotman Stanley S JR | Director | Option exercise(M) | 2K | — | $0 |
| Jun 18, 2019 | Trotman Stanley S JR | Director | Option exercise(M) | 2K | — | $0 |
| Jun 18, 2019 | Trotman Stanley S JR | Director | Option exercise(M) | 2K | — | $0 |
| Jun 18, 2019 | Trotman Stanley S JR | Director | Option exercise(M) | 2K | $2.43 | $5K |
| Jun 18, 2019 | Trotman Stanley S JR | Director | Option exercise(M) | 2K | $2.25 | $5K |
| May 15, 2019 | Stachowiak Raymond C | Director, 10% Owner | Buy(P) | 161K | $2.73 | $438K |
| May 15, 2019 | Trotman Stanley S JR | Director | Sell(S) | 161K | $2.73 | $438K |
| Jan 2, 2019 | Stachowiak Raymond C | Director, 10% Owner | Grant(A) | 8K | — | $0 |
| Jan 2, 2019 | Lawrence Sandra AJ | Director | Grant(A) | 8K | — | $0 |
| Jan 2, 2019 | Kelly Daniel G Jr | Director | Grant(A) | 8K | — | $0 |
| Jan 2, 2019 | Larson David | Director | Grant(A) | 8K | — | $0 |
| Jun 18, 2018 | Tagawa Craig Kenji | COO/CFO | Sell(S) | 1K | $2.77 | $4K |
| Jun 18, 2018 | Tagawa Craig Kenji | COO/CFO | Sell(S) | 6K | $2.75 | $15K |
| Jun 14, 2018 | Trotman Stanley S JR | Director | Grant(A) | 2K | — | $0 |
| Jun 14, 2018 | Trotman Stanley S JR | Director | Grant(A) | 500 | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Issuer: American Shared Hospital Services, SEC CIK 0000744825. The symbol on a Form 4 is typed by the filer, so this page follows the issuer with the newest filing under AMS and shows every filing by that issuer (also filed as AMC, AMSS).
Coverage: Form 4 filings indexed 2006-01-02 → 2026-09-12. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for AMS