American Shared Hospital Services (AMS) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, American Shared Hospital Services's top three insider holders are Raymond C Stachowiak (Executive Chairman, 664.68K shares), Gary Delanois (Chief Operating Officer, 120.00K shares), David Larson (Director, 89.82K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Raymond C Stachowiak Executive Chairman 664,678 0 30 Jun, 2025
Gary Delanois Chief Operating Officer 120,000 0 24 Oct, 2024
David Larson 89,816 0 29 Jun, 2021
Saim Mert Ozyurek 64,052 0 29 Jun, 2021
Raymond Scott Frech Chief Financial Officer 50,000 0 23 Dec, 2024
Daniel G Jr Kelly 49,664 0 29 Jun, 2021
Sandra Aj Lawrence 38,373 0 29 Jun, 2021
Craig Kenji Tagawa President 35,501 0 02 May, 2025
Ernest Robert Bates Sr.Vp Sales And Business Devel 26,544 0 05 Apr, 2022
Kathleen Miles 3,000 0 30 Dec, 2021
Vicki L Wilson 3,000 0 30 Dec, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
26 Jun, 2025 Raymond C Stachowiak Common Stock, No Par Value A 110,000 $0.00 664,678 D A
30 Apr, 2025 Craig Kenji Tagawa Common Stock, No Par Value A 5,613 $0.00 35,501 D A
19 Dec, 2024 Raymond Scott Frech Common Stock, No Par Value A 50,000 $0.00 50,000 D A
14 Oct, 2024 Gary Delanois Common Stock, No Par Value A 120,000 $0.00 120,000 D A
22 Mar, 2024 Raymond C Stachowiak Common Stock, No Par Value A 120,000 $0.00 554,678 D A
17 Apr, 2023 Robert L Hiatt Stock Options (Right to Buy) A 20,000 $0.00 20,000 D A
28 Mar, 2023 Peter M Gaccione Stock Option (Right to Buy) A 50,000 $0.00 50,000 D A
28 Mar, 2023 Raymond C Stachowiak Common Stock, No Par Value A 120,000 $0.00 536,178 D A
07 Mar, 2023 Craig Kenji Tagawa Common Stock A 10,827 $0.00 29,888 D A
07 Sep, 2022 Peter M Gaccione Stock Options (Right to Buy) A 50,000 $0.00 50,000 D A
31 May, 2022 Raymond C Stachowiak Common Stock, No Par Value A 2,000 $2.70 416,178 D M
31 May, 2022 Raymond C Stachowiak Stock Options (right to buy) D 2,000 $0.00 0 D M
01 Apr, 2022 Ernest Robert Bates Common Stock, No Par Value A 801 $0.00 26,544 D A
01 Apr, 2022 Craig Kenji Tagawa Common Stock A 5,529 $0.00 19,061 D A
03 Jan, 2022 Raymond C Stachowiak Common Stock, No Par Value A 120,000 $0.00 414,178 D A
28 Dec, 2021 Vicki L Wilson Common Stock, no par value A 3,000 $0.00 3,000 D A
28 Dec, 2021 Kathleen Miles Common Stock, no par value A 3,000 $0.00 3,000 D A
01 Jul, 2021 Raymond C Stachowiak Common Stock, No Par Value A 60,000 $2.94 294,178 D A
04 Jun, 2021 David Larson Common Stock A 2,000 $3.03 88,437 D M
25 Jun, 2021 Sandra Aj Lawrence Common Stock, No Par Value A 1,000 $0.00 38,373 D A