BIOMERICA INC
AI score not needed: the AI review runs from a match score of 55.
Research score, not a recommendation.
Market data
Live quote and chart from Yahoo Finance, loaded through this server. Insider purchases are marked on the chart.
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Why this score
Research score: a weighted blend of the five factors, times the routine and offering discounts, minus the selling penalty.
Why are they buying?
AI score not needed: the AI review runs only on clusters with a match score of 55 or more. The filings in the table below are the primary evidence.
Stock Price & Insider Purchase History
Daily close price with open-market insider purchases plotted over time
Loading price history…
| Date | Insider | Role | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| 2023-01-24 → 2023-01-25 | Irani Zackary S. 15 purchases with a 63-day result · median -22.1% | CEO | 3,800 | $2.83 avg | $10.8K | |
| 2023-01-24 | Irani Zackary S. | 2,000 | $2.81 | $5.6K | SEC filing for Irani Zackary S. (opens in a new tab) | |
| 2023-01-25 | Irani Zackary S. | 1,800 | $2.85 | $5.1K | SEC filing for Irani Zackary S. (opens in a new tab) | |
| 2023-01-26 | Coste Catherine history of Coste Catherine's purchases | Director | 2,190 | $2.96 | $6.5K | SEC filing for Coste Catherine (opens in a new tab) |
| 2023-01-27 | BARBIERI ALLEN history of BARBIERI ALLEN's purchases | Chair | 1,538 | $2.94 | $4.5K | SEC filing for BARBIERI ALLEN (opens in a new tab) |
| Total | $21.8K | |||||
Other buying runs at BMRA
A run ends after a pause in the buying, so one company can have several. Returns are the stock's return minus its benchmark's (IWM for small companies, SPY otherwise), from the first open after the run became a cluster. Past results, not a forecast.
After this run became a cluster: 21 days -22.3%63 days -44.4%126 days -45.3%
| Window | Insiders | Total | Score | 21 days | 63 days | 126 days | Status |
|---|---|---|---|---|---|---|---|
| 2026-08-20 → 2026-08-26 | 5 | $158.0K | 58 | +14.6% | – | – | active |
| 2016-08-01 → 2016-10-03 | 7 | $135.9K | 48 | -15.1% | -42.1% | -36.9% | closed |