Delisting riskEarnings in 2d
BMRA · NASDAQ · Medical - Devices

Biomerica

Makes rapid diagnostic tests and GI-focused laboratory assays for clinical and consumer use.

$2.14
After-hours close0.00 (0.00%)
At close$2.14(+1.90%)

Breakdown13F · Form 4

Institutions 3.62%111.7K sharesInsiders 16.38%506.1K sharesOther 80.00%2.47M shares

Shares outstanding 3.09M · Float

Float — provider float is below the insider stake.

The provider's float is smaller than the insider stake it should exclude, so it is not shown.

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
B. Riley Principal Capital, LLC460.1K10.03%13DAug 28, 2026
Zackary S. Irani · director, officer: Chief Executive Officer242.6K7.85%Form 4Aug 27, 2026
Allen Barbieri · director, officer: Executive Vice Chairman73.5K2.38%Form 4Aug 27, 2026
Gary Lu · officer: Chief Financial Officer59.4K1.92%Form 4Dec 31, 2025
Geode Capital Management, LLC56.0K1.81%13FMay 15, 2026

Institutions13F, as of Mar 31, 2026

11 holders · 111.7K shares · 4 new positions · 5 increased · 2 reduced · 6 closed

HolderShares% outstandingChg q/qFiled
Geode Capital Management, LLC56.0K1.81%+37.4KMay 15, 2026
BlackRock, Inc.18.6K0.60%0May 13, 2026
Vanguard Capital Management LLC14.5K0.47%+14.5KnewMay 15, 2026
LPL Financial LLC10.8K0.35%+10.8KnewMay 6, 2026
Vanguard Fiduciary Trust Co6.6K0.21%+6.6KnewMay 8, 2026
Newedge Advisors, LLC3.6K0.12%0Jun 3, 2026
Hollencrest Capital Management8250.03%−625May 7, 2026
UBS Group AG5190.02%−5.3KMay 5, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
B. Riley Principal Capital, LLCincl. Bryant R. Riley, BRC Group Holdings, Inc.10.03%460.1K13DAug 28, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Zackary S. Iranidirector, officer: Chief Executive Officer242.6K7.85%Aug 27, 2026
Allen Barbieridirector, officer: Executive Vice Chairman73.5K2.38%Aug 27, 2026
Gary Luofficer: Chief Financial Officer59.4K1.92%Dec 31, 2025
M. Huff Garydirector51.3K1.66%Aug 27, 2026
David Moatazedidirector40.6K1.31%Aug 27, 2026
Eric Chindirector38.8K1.25%Aug 27, 2026

2 ten-percent owners hold 142.0K shares by Form 4, outside the officers-and-directors figure above · 7 people have not refiled in the last 18 months (112.6K shares), so they are not in the figure above

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Aug 26, 2026
Allen Barbieridirector, officer: Executive Vice Chairman
Purchase20,000$1.6073,542
Aug 26, 2026
Eric Chindirector
Purchase6,250$1.6038,750
Aug 26, 2026
David Moatazedidirector
Purchase10,000$1.6040,625
Aug 20, 2026
M. Huff Garydirector
Purchase31,250$1.6051,250
Aug 26, 2026
Zackary S. Iranidirector, officer: Chief Executive Officer
Purchase31,250$1.60242,570

CongressHouse and Senate disclosures

Not reported.