🕵️ Tenon Medical, Inc. ($TNONW)
SEC insider & ownership activity, last 12 months · CIK 1560293 · every row links its SEC filing
Over the last 12 months insiders sold $606K against $500K of open-market buying. HRT Financial LP sold $606K (Aug–Sep). One red-flag 8-K in the window: Delisting notice (3.01), May 21, 2026.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $500K (9 lots) · 1 seller, $606K (9 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| HRT Financial LP | 9 | $500K | 9 | $606K | Sep 10, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| SiVantage Inc. | 12.5% | 13D | Aug 1, 2025 | filing ↗ | |
| Armistice Capital, LLC | 10.0% | 13G | Aug 14, 2026 | filing ↗ | |
| Steven Boyd | 10.0% | 13G | Aug 14, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Sep 11, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Sep 11, 2026 | filing ↗ |
| Other events (8.01) | Sep 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 11, 2026 | filing ↗ |
| Other events (8.01) | Sep 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 9, 2026 | filing ↗ |
| Material agreement (1.01) | Aug 27, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Aug 27, 2026 | filing ↗ |
| Other events (8.01) | Aug 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 27, 2026 | filing ↗ |
| Other events (8.01) | Aug 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 24, 2026 | filing ↗ |
| Earnings (2.02) | Aug 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 13, 2026 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Aug 6, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Aug 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jul 23, 2026 | filing ↗ |
| Other events (8.01) | Jul 17, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 17, 2026 | filing ↗ |
| Other events (8.01) | Jul 10, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 29, 2026 | filing ↗ |
| Other events (8.01) | Jun 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 29, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jun 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 10, 2026 | filing ↗ |
| Delisting notice (3.01) | May 21, 2026 | filing ↗ |
| Earnings (2.02) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |