TOMI Environmental Solutions, Inc. (TOMZ) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, TOMI Environmental Solutions's top three insider holders are Dr. Halden Stuart Shane (Ceo, 2.54Mn shares), Boh Soon Lim (Director, 198.52K shares), Walter C Johnsen (Director, 130.38K 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
Dr. Halden Stuart Shane Ceo 2,538,166 0 23 Aug, 2023
Boh Soon Lim 198,524 0 12 Jan, 2026
Walter C Johnsen 130,375 0 13 May, 2025
Kelly Anderson 130,375 0 13 May, 2025
David Cecil Vanston Chief Financial Officer 100,000 0 08 Oct, 2025
Harold Paul 81,300 0 12 Jan, 2026
Francesco Fragasso 20,000 0 12 Jan, 2026

* 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
09 Jan, 2026 Boh Soon Lim Common Stock A 10,000 $0.79 198,524 D A
09 Jan, 2026 Harold Paul Common Stock A 20,000 $0.79 81,300 D A
09 Jan, 2026 Francesco Fragasso Common Stock A 20,000 $0.79 20,000 D A
06 Oct, 2025 David Cecil Vanston Common Stock A 100,000 $0.00 100,000 D A
12 May, 2025 Walter C Johnsen Common Stock A 20,000 $0.85 130,375 D A
12 May, 2025 Boh Soon Lim Common Stock A 20,000 $0.85 188,524 D A
12 May, 2025 Kelly Anderson Common Stock A 20,000 $0.85 130,375 D A
15 May, 2024 Dr. Halden Stuart Shane Common Stock Purchase Options (right to buy) A 100,000 $0.00 1,510,000 D A
15 May, 2024 Boh Soon Lim Common Stock A 20,000 $0.75 168,524 D A
15 May, 2024 Kelly Anderson Common Stock A 20,000 $0.75 110,375 D A
15 May, 2024 Walter C Johnsen Common Stock A 20,000 $0.75 110,375 D A
15 May, 2024 Elissa Jessica Shane Common Stock Purchase Options (right to buy) A 50,000 $0.00 238,750 D A
03 Jan, 2024 Elissa Jessica Shane Common Stock Purchase Options (right to buy) D 31,250 $0.00 188,750 D C
22 Aug, 2023 Dr. Halden Stuart Shane Common Stock A 2,503 $1.20 2,538,166 D P
18 Aug, 2023 Dr. Halden Stuart Shane Common Stock A 3,000 $1.07 2,535,663 D P
26 Jan, 2023 Walter C Johnsen Common Stock A 20,000 $0.85 90,375 D A
26 Jan, 2023 Nick Jennings Common Stock Purchase Options (right to buy) A 25,000 $0.00 77,500 D A
26 Jan, 2023 Dr. Halden Stuart Shane Common Stock Purchase Options (right to buy) A 100,000 $0.00 1,410,000 D A
26 Jan, 2023 Boh Soon Lim Common Stock A 20,000 $0.85 148,524 D A
26 Jan, 2023 Elissa Jessica Shane Common Stock Purchase Options (right to buy) A 50,000 $0.00 220,000 D A