American Shared Hospital Services (AMS) Insider Ownership

Historic Insider Ownership Trends

As of May 30, 2026, the three largest insider holders of AMS are Raymond C Stachowiak (Executive Chairman, 774.68K shares), Raymond C Stachowiak (Executive Chairman, 664.68K shares), Gary Delanois (Chief Operating Officer, 120.00K 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
Gary Delanois Chief Operating Officer 120,000 0 24 Oct, 2024
Raymond C Stachowiak Executive Chairman 774,678 0 15 Apr, 2026
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
Vicki L Wilson - 3,000 0 30 Dec, 2021
Kathleen Miles - 3,000 0 30 Dec, 2021
Raymond Scott Frech Chief Financial Officer 50,000 0 23 Dec, 2024

* 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 Mar, 2026 Raymond C Stachowiak Common Stock, No Par Value A 100,000 $0.00 774,678 D A
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
30 Apr, 2025 Craig Kenji Tagawa Common Stock, No Par Value A 5,613 $0.00 35,501 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
19 Dec, 2024 Raymond Scott Frech Common Stock, No Par Value A 50,000 $0.00 50,000 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
14 Oct, 2024 Gary Delanois Common Stock, No Par Value A 120,000 $0.00 120,000 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 Raymond C Stachowiak Common Stock, No Par Value A 120,000 $0.00 536,178 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 Peter M Gaccione Stock Option (Right to Buy) A 50,000 $0.00 50,000 D A
28 Mar, 2023 Peter M Gaccione Stock Option (Right to Buy) A 50,000 $0.00 50,000 D A
07 Mar, 2023 Craig Kenji Tagawa Common Stock A 10,827 $0.00 29,888 D A
07 Mar, 2023 Craig Kenji Tagawa Common Stock A 10,827 $0.00 29,888 D A
07 Mar, 2023 Craig Kenji Tagawa Common Stock A 10,827 $0.00 29,888 D A