Delisting riskPopularity #3,356
Tenon Medical (TNON)
SI-joint fusion implants delivered through complementary minimally invasive surgical approaches.
$3.45
After hours+0.01 (+0.37%)
At close$3.44(−7.91%)
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13F · 13D/G · Form 4
| Insiders | 10.72% | 53.2K shares | |
|---|---|---|---|
| 10 holders · as of Sep 10, 2026 | |||
| Strategic holders | 14.18% | 70.4K shares | |
| 2 holders · as of Sep 11, 2026 | |||
| Other | 75.10% | 372.8K shares | |
| remainder | |||
496.5K company shares as of Sep 21, 2026 · holders as of their latest filing
Two share counts disagree (667.0K in the company's Sep 22, 2026 report, 496.5K elsewhere); stakes use the report.
13F
No 13F holders on record.
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| SiVantage Inc. | 12.50% | 13D | Aug 8, 2025 | |
| Armistice Capital, LLC | 9.99% | 54.6K | 13G | Aug 14, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 10, 2026 | HRT Financial LP10 percent owner | Sale | 65,582 | $5.56 | 15,839 |
| Sep 10, 2026 | HRT Financial LP10 percent owner | Purchase · 3 lots | 67,925 | $3.63 | 15,839 |
| Sep 9, 2026 | HRT Financial LP10 percent owner | Sale · 2 lots | 60,343 | $2.88 | 18,182 |
| Sep 9, 2026 | HRT Financial LP10 percent owner | Purchase | 39,508 | $3.40 | 18,182 |
| Sep 8, 2026 | HRT Financial LP10 percent owner | Purchase | 707 | $3.34 | 2,653 |
| Sep 4, 2026 | HRT Financial LP10 percent owner | Sale | 1,506 | $3.70 | 1,946 |
| Sep 3, 2026 | HRT Financial LP10 percent owner | Purchase | 1,658 | $3.98 | 3,452 |
| Sep 2, 2026 | HRT Financial LP10 percent owner | Sale | 450 | $4.53 | 1,794 |
| Sep 1, 2026 | HRT Financial LP10 percent owner | Purchase | 1,790 | $4.57 | 2,244 |
| Aug 31, 2026 | HRT Financial LP10 percent owner | Sale | 1,276 | $4.66 | 454 |
House and Senate disclosures
Not reported.