BMRA Insider Trading

Insider Ownership Percentage: 18.00%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $0.00

Biomerica Insider Trading History Chart

This chart shows the insider buying and selling history at Biomerica by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Biomerica Share Price & Price History

Current Price: $2.36
Price Change: Price Decrease of -0.01 (-0.42%)
As of 12/17/2025 04:53 PM ET

This chart shows the closing price history over time for BMRA up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Biomerica Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
5/24/2023Zackary S IraniCEOBuy62$12.88$798.56127,545View SEC Filing Icon  
5/12/2023Zackary S IraniCEOBuy212$9.36$1,984.32127,482View SEC Filing Icon  
5/9/2023Zackary S IraniCEOBuy37$11.12$411.44127,207View SEC Filing Icon  
4/28/2023Zackary S IraniCEOBuy225$10.72$2,412.00127,170View SEC Filing Icon  
4/26/2023Zackary S IraniCEOBuy875$10.08$8,820.00126,620View SEC Filing Icon  
1/27/2023Allen BarbieriVice ChairmanBuy192$23.52$4,515.8412,665View SEC Filing Icon  
1/26/2023Catherine CosteInsiderBuy273$23.68$6,464.645,473View SEC Filing Icon  
1/24/2023Zackary S IraniCEOBuy250$22.48$5,620.00125,520View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Biomerica (NASDAQ:BMRA)

22.28% of Biomerica stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at BMRA by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Biomerica Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/8/2025Geode Capital Management LLC21,663$68K0.0%-86.2%0.850%Search for SEC Filing on Google Icon
5/16/2025Granahan Investment Management LLC87,968$50K0.0%-86.6%3.455%Search for SEC Filing on Google Icon
5/13/2025Bulltick Wealth Management LLC137,149$78K0.0%N/A5.387%Search for SEC Filing on Google Icon
2/17/2025Granahan Investment Management LLC658,767$0.20M0.0%+24.9%3.592%Search for SEC Filing on Google Icon
8/8/2024Perritt Capital Management Inc70,000$31K0.0%N/A0.416%Search for SEC Filing on Google Icon
5/8/2024Russell Investments Group Ltd.225,435$0.19M0.0%+11.8%1.340%Search for SEC Filing on Google Icon
5/7/2024Fore Capital LLC59,680$50K0.0%+72.1%0.355%Search for SEC Filing on Google Icon
2/7/2024Heritage Investors Management Corp34,598$43K0.0%-50.8%0.206%Search for SEC Filing on Google Icon
2/5/2024Russell Investments Group Ltd.201,563$0.25M0.0%+15.0%1.198%Search for SEC Filing on Google Icon
11/14/2023Potomac Capital Management Inc.171,519$0.15M0.2%-57.4%1.020%Search for SEC Filing on Google Icon
8/14/2023Perritt Capital Management Inc.47,500$65K0.0%-29.6%0.283%Search for SEC Filing on Google Icon
8/14/2023Potomac Capital Management Inc.402,916$0.55M0.6%-6.8%2.397%Search for SEC Filing on Google Icon
8/14/2023Granahan Investment Management LLC1,144,824$1.56M0.0%-1.1%6.810%Search for SEC Filing on Google Icon
8/8/2023Wasatch Advisors LP953,264$1.30M0.0%-2.2%5.671%Search for SEC Filing on Google Icon
5/15/2023Granahan Investment Management LLC1,157,536$2.17M0.1%+3.1%6.885%Search for SEC Filing on Google Icon
5/15/2023MYDA Advisors LLC73,775$0.14M0.1%N/A0.439%Search for SEC Filing on Google Icon
5/12/2023Perritt Capital Management Inc.67,500$0.13M0.1%+170.0%0.401%Search for SEC Filing on Google Icon
5/9/2023Fore Capital LLC49,680$93K0.1%+67.4%0.296%Search for SEC Filing on Google Icon
5/9/2023Russell Investments Group Ltd.174,273$0.33M0.0%+173.3%1.037%Search for SEC Filing on Google Icon
2/8/2023Russell Investments Group Ltd.63,768$0.21M0.0%+101.1%0.473%Search for SEC Filing on Google Icon
2/7/2023Hollencrest Capital Management50,000$0.17M0.0%N/A0.371%Search for SEC Filing on Google Icon
11/15/2022Maple Capital Management Inc.15,000$48K0.0%N/A0.112%Search for SEC Filing on Google Icon
11/15/2022Perritt Capital Management Inc.25,000$98K0.1%-16.7%0.186%Search for SEC Filing on Google Icon
11/4/2022Russell Investments Group Ltd.31,707$0.12M0.0%N/A0.236%Search for SEC Filing on Google Icon
8/11/2022Group One Trading L.P.11,932$34K0.0%-76.0%0.093%Search for SEC Filing on Google Icon
5/16/2022Granahan Investment Management LLC1,169,841$5.23M0.1%+6.1%9.102%Search for SEC Filing on Google Icon
5/5/2022HCR Wealth Advisors10,000$45K0.0%-50.0%0.078%Search for SEC Filing on Google Icon
4/11/2022Ridgewood Investments LLC60,000$0.27M0.2%N/A0.467%Search for SEC Filing on Google Icon
2/8/2022Raymond James Financial Services Advisors Inc.13,662$53K0.0%N/A0.106%Search for SEC Filing on Google Icon
2/4/2022HCR Wealth Advisors20,000$78K0.0%+100.0%0.156%Search for SEC Filing on Google Icon
11/15/2021Granahan Investment Management Inc. MA1,031,358$4.64M0.1%+0.3%8.244%Search for SEC Filing on Google Icon
11/9/2021BlackRock Inc.171,813$0.77M0.0%+8.9%1.373%Search for SEC Filing on Google Icon
11/2/2021HCR Wealth Advisors10,000$45K0.0%N/A0.080%Search for SEC Filing on Google Icon
10/29/2021GWM Advisors LLC31,400$0.14M0.0%-8.2%0.251%Search for SEC Filing on Google Icon
Data available starting January 2016

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Biomerica logo
Biomerica, Inc., a biomedical technology company, develops, patents, manufactures, and markets diagnostic and therapeutic products for the detection and/or treatment of medical conditions and diseases worldwide. The company's diagnostic test kits are used to analyze blood, urine, nasal or fecal specimens from patients in the diagnosis of various diseases, food intolerances, and other medical complications; or to measure bacteria, hormones, antibodies, antigens, or other substances which may exist in the human body, stools, or blood in extremely small concentrations. It primarily sells its products for gastrointestinal diseases, food intolerances, and various esoteric tests at the physicians' offices and over-the-counter drugstores, and hospital/clinical laboratories. The company is also developing InFoods IBS, that uses a simple blood sample to identify patient-specific foods which may alleviate irritable bowel syndrome symptoms; and H. Pylori diagnostic test that indicates if a patient is infected with the H. Pylori bacteria. In addition, it develops products to indicate if a person has been infected by COVID-19. Biomerica, Inc. was incorporated in 1971 and is headquartered in Irvine, California.
Read More on Biomerica

Today's Range

Now: $2.36
Low: $2.30
High: $2.39

50 Day Range

MA: $2.58
Low: $2.18
High: $3.20

52 Week Range

Now: $2.36
Low: $2.08
High: $10.16

Volume

3,294 shs

Average Volume

20,544 shs

Market Capitalization

$6.96 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.06

Who are the major institutional investors of Biomerica?

Biomerica's top institutional investors include:
  1. Susquehanna International Group LLP — 0.00%
  2. Group One Trading LLC — 0.00%
Learn More about top institutional investors of Biomerica stock.

Which institutional investors are selling Biomerica stock?

In the previous quarter, BMRA stock was sold by these institutional investors:
  1. Susquehanna International Group LLP
  2. Group One Trading LLC