TNONW — Tenon Medical, 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 2023-06-15.
Performance
Technicals
Others in Healthcare
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-03 | GINN RICHARD Chief Technology Officer | Shares withheld for tax | 44.8K | 0.20 | 8.9K |
| 2026-08-03 | FOSTER STEVEN M CEO and President | Shares withheld for tax | 41.8K | 0.20 | 8.3K |
| 2026-08-03 | Williamson Kevin Chief Financial Officer | Shares withheld for tax | 13.0K | 0.20 | 2.6K |
| 2026-07-31 | Ferrari Richard Director | Option exercise | 64.5K | 0.00 | 0 |
| 2026-07-31 | HOWARD IVAN Director | Option exercise | 10.7K | 0.00 | 0 |
| 2026-07-31 | Hochschuler Stephen Director | Option exercise | 10.7K | 0.00 | 0 |
| 2026-07-31 | Williamson Kevin Chief Financial Officer | Option exercise | 59.0K | 0.00 | 0 |
| 2026-07-31 | Jacques Kristine M Director | Option exercise | 10.1K | 0.00 | 0 |
| 2026-07-31 | GINN RICHARD Chief Technology Officer | Option exercise | 126.6K | 0.00 | 0 |
| 2026-07-31 | FOSTER STEVEN M CEO and President | Option exercise | 140.9K | 0.00 | 0 |
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 |
|---|---|---|
| Focus Partners Wealth | 39.6K | 61.9K |
| Clear Street Group Inc. | 7.6K | 952.9K |
| Spectrum Asset Management, Inc. (NB/CA) | 5.4K | 679.4K |
| HEIGHTS CAPITAL MANAGEMENT, INC | 1.1K | 140.2K |
| AQR CAPITAL MANAGEMENT LLC | 1.0K | 131.0K |
| CITADEL ADVISORS LLC | 582 | 72.7K |
| ARMISTICE CAPITAL, LLC | 178 | 22.2K |
| GTS SECURITIES LLC | 169 | 21.1K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 94 | 11.7K |
| UBS Group AG | 1 | 100 |
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 →
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