BYRN — Byrna Technologies Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2021-05-05.
Performance
Technicals
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Measured signals that fired on BYRN
| date | signal | measured base rate |
|---|---|---|
| 2026-07-23 | Cluster buy: three or more insiders insider | +0.63% over 21 days · t = 1.84 · n = 3,050 not distinguishable from its control group |
| 2026-07-13 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-03-18 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-06 | ELMORE LEONARD J Director | Open-market purchase | 10.0K | 4.64 | 46.4K |
| 2026-07-29 | Rooney Emily Director | Option exercise | 4.9K | — | — |
| 2026-07-29 | Roth Adam L. Director | Option exercise | 4.4K | — | — |
| 2026-07-29 | Kennedy TJ Director | Option exercise | 4.4K | — | — |
| 2026-07-29 | Hughes Herbert Director | Option exercise | 4.9K | — | — |
| 2026-07-29 | ELMORE LEONARD J Director | Option exercise | 4.9K | — | — |
| 2026-07-29 | Reed Chris Lavern Director | Option exercise | 4.9K | — | — |
| 2026-07-28 | Hughes Herbert Director | Open-market purchase | 1.5K | 3.86 | 5.8K |
| 2026-07-27 | Hughes Herbert Director | Open-market purchase | 2.5K | 3.77 | 9.4K |
| 2026-07-24 | Reed Chris Lavern Director | Open-market purchase | 8.2K | 3.63 | 29.6K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| FMR LLC | 31.2M | 3.4M |
| BlackRock, Inc. | 12.6M | 1.4M |
| MILLENNIUM MANAGEMENT LLC | 9.9M | 1.1M |
| Wealthspire Advisors, LLC | 7.2M | 782.7K |
| VANGUARD CAPITAL MANAGEMENT LLC | 7.0M | 766.5K |
| GEODE CAPITAL MANAGEMENT, LLC | 4.2M | 454.1K |
| EMERALD ADVISERS, LLC | 4.0M | 432.6K |
| PINNACLE ASSOCIATES LTD | 3.7M | 401.8K |
| RENAISSANCE TECHNOLOGIES LLC | 3.5M | 382.3K |
| STATE STREET CORP | 3.4M | 374.8K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Byrna Technologies Inc. (BYRN) filed form 8-K · 2026-08-14 · SEC EDGAR
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