Tenon Medical, Inc.
TNON- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001560293
In the last 90 days, Tenon Medical, Inc. insiders filed 4 open-market purchases and 4 sales; 17 institutions reported holding it in 13F filings for Q2 2026, worth $315.4K in total; no superinvestor holds it.
Other share classesTNONW
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Tenon Medical, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 4 filings
- 1 insider, $500.2K in total
- Open-market sells
- 4 filings
- 1 insider, $548.3K in total
- Insiders trading
- 1
- Net value
- −$48.1K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Tenon Medical, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| HRT Financial LP | 10% Owner | 15,839 | Sep 11, 2026 | 5 |
| Williamson Kevin | Chief Financial Officer | 2,580 | Sep 10, 2026 | 6 |
| Weigle Robert K | Director | 18,284 | Aug 4, 2026 | 4 |
| Jacques Kristine M | Director | 20,876 | Aug 4, 2026 | 4 |
| Howard Ivan | Director | 19,194 | Aug 4, 2026 | 4 |
| Hochschuler Stephen | Director | 18,670 | Aug 4, 2026 | 3 |
| Ferrari Richard M | Director | 135,243 | Aug 4, 2026 | 3 |
| Ginn Richard | Chief Technology Officer | 167,357 | Aug 4, 2026 | 3 |
| Foster Steven M | CEO and President | 262,962 | Aug 4, 2026 | 4 |
| Geist Wyatt D. | Chief Innovation Officer | 487,166Indirect | May 5, 2026 | 2 |
| Grawey Nathaniel A. | Chief Commercial Officer | 243,584Indirect | May 5, 2026 | 2 |
| Van Dick Steven M | Chief Financial Officer | 100,416 | Jun 15, 2023 | 0 |
| Fischer Frank M | Director | 6,207 | May 24, 2023 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 (view filing)2:13 PM ET | Sep 8-10 | 3 daysLate | HRT Financial LP10% Owner | PPurchase | +108.1K | $3.54 | +$383.0K | New position15.8K after | 5 lots |
| Sep 11, 2026 (view filing)2:13 PM ET | Sep 9-10 | 2 days | HRT Financial LP10% Owner | SSale | −125.9K | $4.28 | −$538.6K | −88.8%15.8K after | 3 lots |
| Sep 8, 2026 (view filing)1:27 PM ET | Sep 3 | 5 days | HRT Financial LP10% Owner | PPurchase | +1.66K | $3.98 | +$6.60K | +92.4%3.45K after | |
| Sep 8, 2026 (view filing)1:27 PM ET | Sep 4 | 4 days | HRT Financial LP10% Owner | SSale | −1.51K | $3.70 | −$5.57K | −43.6%1.95K after | |
| Sep 3, 2026 (view filing)4:58 PM ET | Sep 1 | 2 days | HRT Financial LP10% Owner | PPurchase | +1.79K | $4.57 | +$8.18K | +394.3%2.24K after | |
| Sep 3, 2026 (view filing)4:58 PM ET | Sep 2 | 1 day | HRT Financial LP10% Owner | SSale | −450 | $4.53 | −$2.04K | −20.1%1.79K after | |
| Sep 1, 2026 (view filing)4:46 PM ET | Aug 28 | 4 days | HRT Financial LP10% Owner | PPurchase | +18.4K | $5.58 | +$102.5K | New position1.73K after | 2 lots |
| Sep 1, 2026 (view filing)4:46 PM ET | Aug 28-31 | 4 days | HRT Financial LP10% Owner | SSale | −8.30K | $6.91 | −$57.3K | −94.8%454 after | 3 lotsPrice outlier |
| Aug 31, 2026 (view filing)3:12 PM ET | Aug 27 | 4 days | HRT Financial LP10% Owner | SSale | −419 | $4.96 | −$2.08K | −4.2%9.60K after | |
| Nov 18, 2025 (view filing) | Nov 14 | 4 days | Foster Steven MCEO and President | PPurchase | +19.5K | – | – | +568.4%22.9K after | |
| Nov 18, 2025 (view filing) | Nov 14 | 4 days | Foster Steven MCEO and President | PPurchase | +19.5K | – | – | –19.5K after | Derivative |
| Nov 18, 2025 (view filing) | Nov 14 | 4 days | Geist Wyatt D.Chief Innovation Officer | PPurchase | +19.5K | – | – | +14.1%157.6K after | |
| Nov 18, 2025 (view filing) | Nov 14 | 4 days | Geist Wyatt D.Chief Innovation Officer | PPurchase | +19.5K | – | – | –19.5K after | Derivative |
| Nov 18, 2025 (view filing) | Nov 14 | 4 days | Grawey Nathaniel A.Chief Commercial Officer | PPurchase | +101.2K | – | – | +73.2%239.3K after | |
| Nov 18, 2025 (view filing) | Nov 14 | 4 days | Grawey Nathaniel A.Chief Commercial Officer | PPurchase | +101.2K | – | – | –101.2K after | Derivative |
| Jun 15, 2023 (view filing)2:36 PM ET | Jun 14 | 1 day | Van Dick Steven MChief Financial Officer | PPurchase | +50.0K | $0.273 | +$13.7K | +99.2%100.4K after | |
| May 24, 2023 (view filing) | May 23 | 1 day | Foster Steven MCEO and President | SSale | −27.8K | $1.26 | −$35.0K | −38.3%44.7K after | |
| May 24, 2023 (view filing) | May 23 | 1 day | Ginn RichardChief Technology Officer | SSale | −65.0K | $1.26 | −$81.9K | −43.2%85.3K after |