Biomerica Inc (BMRA) Insider Ownership

Historic Insider Ownership Trends

As of April 22, 2026, Biomerica's top three insider holders are Zackary S. Irani (Chief Executive Officer, 1.02Mn shares), Zackary S. Irani (Chief Executive Officer, 211.32K shares), Jane Emerson (Director, 156.00K 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
Zackary S. Irani Chief Executive Officer 1,020,560 0 25 May, 2023
Zackary S. Irani Chief Executive Officer 211,320 0 31 Dec, 2025
Jane Emerson - 156,000 0 16 Dec, 2024
Allen Barbieri Executive Vice Chairman 101,327 0 30 Jan, 2023
Gary Lu Chief Financial Officer 59,375 0 31 Dec, 2025
Allen Barbieri Executive Vice Chairman 53,543 0 31 Dec, 2025
Eric Chin - 32,500 0 28 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
12 Dec, 2025 Eric Chin Common stock A 22,500 $0.00 32,500 D A
12 Dec, 2025 Zackary S. Irani Common stock A 52,500 $0.00 211,320 D A
12 Dec, 2025 Allen Barbieri Common stock A 30,000 $0.00 53,543 D A
12 Dec, 2025 Gary Lu Common stock A 40,000 $0.00 59,375 D A
13 Dec, 2024 Gary Lu Common stock A 155,000 $0.31 155,000 D A
13 Dec, 2024 Zackary S. Irani Common stock A 250,000 $0.31 1,270,560 D A
13 Dec, 2024 Jane Emerson Common stock A 85,000 $0.31 156,000 D A
13 Dec, 2024 Allen Barbieri Common stock A 110,000 $0.31 188,337 D A
13 Dec, 2023 Jane Emerson Non-qualified stock option A 75,000 - 75,000 D A
13 Dec, 2023 Gary Lu Non-qualified stock option A 155,000 - 155,000 D A
13 Dec, 2023 Allen Barbieri Non-qualified stock option A 100,000 - 100,000 D A
13 Dec, 2023 Zackary S. Irani Non-qualified stock option A 155,000 - 155,000 D A
20 Apr, 2023 Jane Emerson Non-qualified stock option A 32,000 - 32,000 D A
20 Apr, 2023 Zackary S. Irani Non-qualified stock option A 105,000 - 105,000 D A
20 Apr, 2023 Allen Barbieri Non-qualified stock option A 50,000 - 50,000 D A
24 May, 2023 Zackary S. Irani Common Stock A 500 $1.61 1,020,360 D P
25 May, 2023 Zackary S. Irani Common Stock A 200 $1.55 1,020,560 D P
12 May, 2023 Zackary S. Irani Common Stock A 1,700 $1.17 1,019,860 D P
10 May, 2023 Zackary S. Irani Common Stock A 500 $1.27 1,018,160 D P
09 May, 2023 Zackary S. Irani Common Stock A 300 $1.39 1,017,660 D P