Nasdaq · CIK 0001560293
TNON Tenon Medical, Inc.
Insider trading from SEC Form 4. Last filing 32 d ago. Close $3.41 on Oct 9, 2026, +40% from the 52-week low and -92% from the high.
In brief
Tenon Medical, Inc. (TNON) has 40 SEC Form 4 filings on file from 11 insiders, the latest filed on Sep 11, 2026. In the last 90 days insiders made 4 open-market buys worth $500k and 5 open-market sells worth $606k, net -$105k.
9 open-market trades have been scored at TNON. The newest: Hrt Financial LP (10% owner) bought $383k of stock on Sep 8, 2026, filed Sep 11, 2026, scored 38 (weak). The largest of the 9 shown: Hrt Financial LP (10% owner) sold $539k on Sep 9, 2026, scored 51 (moderate).
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at Tenon Medical, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 38Weak | Hrt Financial LP owner buy | $383k 108,140 shares | +5557% | - | |
| 51Moderate | Hrt Financial LP owner sell | $539k 125,925 shares | -184% | 0% from low-95% from high | |
| 22Weak | Hrt Financial LP owner buy | $6,599 1,658 shares | +92% | - | |
| 22Weak | Hrt Financial LP owner sell | $5,572 1,506 shares | -44% | 0% from low-92% from high | |
| 22Weak | Hrt Financial LP owner buy | $8,180 1,790 shares | +394% | - | |
| 17Weak | Hrt Financial LP owner sell | $2,039 450 shares | -20% | 0% from low-90% from high | |
| 25Weak | Hrt Financial LP owner buy | $102k 18,357 shares | - | - | |
| 39Weak | Hrt Financial LP owner sell | $57k 8,299 shares | -125% | +9% from low-89% from high | |
| 12Weak | Hrt Financial LP owner sell | $2,078 419 shares | -4% | +9% from low-89% from high |
Transactions
The newest 50 of 93 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 8, 2026 | Hrt Financial LP owner | POpen-market purchase Common Stock | +707 | $3.34 | $2,361 | 2,653 | 32 d ago |
| Sep 9, 2026 | Hrt Financial LP owner | SOpen-market sale Common Stock | -50,395 | $2.61 | $132k | 18,182 | 32 d ago |
| Sep 9, 2026 | Hrt Financial LP owner | POpen-market purchase Common Stock | +39,508 | $3.40 | $134k | 18,182 | 32 d ago |
| Sep 9, 2026 | Hrt Financial LP owner | SOpen-market sale Common Stock | -9,948 | $4.27 | $42k | 18,182 | 32 d ago |
| Sep 10, 2026 | Hrt Financial LP owner | POpen-market purchase Common Stock | +31,227 | $2.92 | $91k | 15,839 | 32 d ago |
| Sep 10, 2026 | Hrt Financial LP owner | POpen-market purchase Common Stock | +28,267 | $4.02 | $114k | 15,839 | 32 d ago |
| Sep 10, 2026 | Hrt Financial LP owner | POpen-market purchase Common Stock | +8,431 | $4.92 | $41k | 15,839 | 32 d ago |
| Sep 10, 2026 | Hrt Financial LP owner | SOpen-market sale Common Stock | -65,582 | $5.56 | $365k | 15,839 | 32 d ago |
| Sep 8, 2026 | Kevin Williamson Chief Financial Officer | MOption exercise Common Stock | +30 | $0.00 | $0 | 2,591 | 33 d ago |
| Sep 9, 2026 | Kevin Williamson Chief Financial Officer | FTax withholding Common Stock | -11 | $3.45 | $38 | 2,580 | 33 d ago |
| Sep 8, 2026 | Kevin Williamson Chief Financial Officer | MOption exercise Restricted Stock Unitsderivative | -30 | $0.00 | $0 | 60 | 33 d ago |
| Sep 3, 2026 | Hrt Financial LP owner | POpen-market purchase Common Stock | +1,658 | $3.98 | $6,599 | 3,452 | 35 d ago |
| Sep 4, 2026 | Hrt Financial LP owner | SOpen-market sale Common Stock | -1,506 | $3.70 | $5,572 | 1,946 | 35 d ago |
| Sep 1, 2026 | Hrt Financial LP owner | POpen-market purchase Common Stock | +1,790 | $4.57 | $8,180 | 2,244 | 40 d ago |
| Sep 2, 2026 | Hrt Financial LP owner | SOpen-market sale Common Stock | -450 | $4.53 | $2,039 | 1,794 | 40 d ago |
| Aug 28, 2026 | Hrt Financial LP owner | POpen-market purchase Common Stock | +12,376 | $5.21 | $64k | 1,730 | 42 d ago |
| Aug 28, 2026 | Hrt Financial LP owner | POpen-market purchase Common Stock | +5,981 | $6.35 | $38k | 1,730 | 42 d ago |
| Aug 28, 2026 | Hrt Financial LP owner | SOpen-market sale Common Stock | -4,932 | $7.07 | $35k | 1,730 | 42 d ago |
| Aug 28, 2026 | Hrt Financial LP owner | SOpen-market sale Common Stock | -2,091 | $7.90 | $17k | 1,730 | 42 d ago |
| Aug 31, 2026 | Hrt Financial LP owner | SOpen-market sale Common Stock | -1,276 | $4.66 | $5,946 | 454 | 42 d ago |
| Aug 27, 2026 | Hrt Financial LP owner | SOpen-market sale Common Stock | -419 | $4.96 | $2,078 | 9,604 | 43 d ago |
| Jul 31, 2026 | Stephen Hochschuler director | MOption exercise Common Stock | +10,732 | $0.00 | $0 | 18,670 | Aug 4, 2026 |
| Jul 31, 2026 | Kristine M Jacques director | MOption exercise Common Stock | +10,147 | $0.00 | $0 | 20,876 | Aug 4, 2026 |
| Jul 31, 2026 | Kevin Williamson Chief Financial Officer | MOption exercise Common Stock | +58,987 | $0.00 | $0 | 102,580 | Aug 4, 2026 |
| Jul 31, 2026 | Robert K Weigle director | MOption exercise Common Stock | +10,732 | $0.00 | $0 | 18,284 | Aug 4, 2026 |
| Jul 31, 2026 | Steven M Foster CEO and President | MOption exercise Common Stock | +140,936 | $0.00 | $0 | 304,750 | Aug 4, 2026 |
| Jul 31, 2026 | Richard Ferrari director | MOption exercise Common Stock | +64,479 | $0.00 | $0 | 135,243 | Aug 4, 2026 |
| Jul 31, 2026 | Richard Ginn Chief Technology Officer | MOption exercise Common Stock | +126,577 | $0.00 | $0 | 212,166 | Aug 4, 2026 |
| Jul 31, 2026 | Ivan Howard director | MOption exercise Common Stock | +10,732 | $0.00 | $0 | 19,194 | Aug 4, 2026 |
| Jul 31, 2026 | Ivan Howard director | MOption exercise Restricted Stock Unitsderivative | -10,732 | $0.00 | $0 | 0 | Aug 4, 2026 |
| Jul 31, 2026 | Stephen Hochschuler director | MOption exercise Restricted Stock Unitsderivative | -10,732 | $0.00 | $0 | 0 | Aug 4, 2026 |
| Jul 31, 2026 | Kristine M Jacques director | MOption exercise Restricted Stock Unitsderivative | -10,147 | $0.00 | $0 | 0 | Aug 4, 2026 |
| Jul 31, 2026 | Robert K Weigle director | MOption exercise Restricted Stock Unitsderivative | -10,732 | $0.00 | $0 | 0 | Aug 4, 2026 |
| Aug 3, 2026 | Steven M Foster CEO and President | FTax withholding Common Stock | -41,788 | $0.20 | $8,274 | 262,962 | Aug 4, 2026 |
| Aug 3, 2026 | Kevin Williamson Chief Financial Officer | FTax withholding Common Stock | -12,978 | $0.20 | $2,570 | 89,602 | Aug 4, 2026 |
| Aug 3, 2026 | Richard Ginn Chief Technology Officer | FTax withholding Common Stock | -44,809 | $0.20 | $8,872 | 167,357 | Aug 4, 2026 |
| Jul 31, 2026 | Richard Ferrari director | MOption exercise Restricted Stock Unitsderivative | -64,479 | $0.00 | $0 | 0 | Aug 4, 2026 |
| Jul 31, 2026 | Kevin Williamson Chief Financial Officer | MOption exercise Restricted Stock Unitsderivative | -58,987 | $0.00 | $0 | 0 | Aug 4, 2026 |
| Jul 31, 2026 | Steven M Foster CEO and President | MOption exercise Restricted Stock Unitsderivative | -140,936 | $0.00 | $0 | 0 | Aug 4, 2026 |
| Jul 31, 2026 | Richard Ginn Chief Technology Officer | MOption exercise Restricted Stock Unitsderivative | -126,577 | $0.00 | $0 | 0 | Aug 4, 2026 |
| May 1, 2026 | Wyatt D. Geist Chief Innovation Officer | AGrant or award Common stockindirect: By SiVantage, Inc. | +136,401 | $0.00 | $0 | 487,166 | May 5, 2026 |
| May 1, 2026 | Nathaniel A. Grawey Chief Commercial Officer | AGrant or award Common stockindirect: By SiVantage, Inc. | +68,201 | $0.00 | $0 | 243,584 | May 5, 2026 |
| Mar 3, 2026 | Kevin Williamson Chief Financial Officer | MOption exercise Common Stock | +1,041 | $0.00 | $0 | 43,593 | Mar 5, 2026 |
| Mar 3, 2026 | Kevin Williamson Chief Financial Officer | MOption exercise Restricted Stock Unitsderivative | -1,041 | $0.00 | $0 | 3,126 | Mar 5, 2026 |
| Jan 1, 2026 | Kristine M Jacques director | MOption exercise Common Stock | +10,146 | $0.00 | $0 | 10,146 | Jan 5, 2026 |
| Jan 1, 2026 | Stephen Hochschuler director | MOption exercise Common Stock | +10,732 | $0.00 | $0 | 11,265 | Jan 5, 2026 |
| Jan 1, 2026 | Ivan Howard director | MOption exercise Common Stock | +10,732 | $0.00 | $0 | 11,789 | Jan 5, 2026 |
| Jan 1, 2026 | Richard Ginn Chief Technology Officer | MOption exercise Common Stock | +126,577 | $0.00 | $0 | 133,015 | Jan 5, 2026 |
| Jan 1, 2026 | Richard Ferrari director | MOption exercise Common Stock | +64,478 | $0.00 | $0 | 70,764 | Jan 5, 2026 |
| Jan 1, 2026 | Steven M Foster CEO and President | MOption exercise Common Stock | +140,936 | $0.00 | $0 | 163,814 | Jan 5, 2026 |
Insiders
Everyone who has filed a Form 4 here.
- Steven M FosterCEO and President
- Richard Ferraridirector
- Richard GinnChief Technology Officer
- Wyatt D. GeistChief Innovation Officer
- Nathaniel A. GraweyChief Commercial Officer
- Ivan Howarddirector
- Hrt Financial LPowner
- Stephen Hochschulerdirector
- Kristine M Jacquesdirector
- Robert K Weigledirector
- Kevin WilliamsonChief Financial Officer
Questions about TNON
Answered from the filings on this page, as of the latest one.
Are insiders buying TNON?
As of Sep 11, 2026, SEC Form 4 filings show 4 open-market buys worth $500k by 1 insider and 5 open-market sells worth $606k by 1 insider at Tenon Medical, Inc. in the last 90 days, net -$105k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade TNON on the open market?
Hrt Financial LP (10% owner) bought $383k of TNON on Sep 8, 2026 and filed the Form 4 on Sep 11, 2026. InsiderTell scored 38 (weak).
How many insiders file Form 4 at Tenon Medical, Inc.?
11 people have filed a Form 4 at Tenon Medical, Inc., among them Steven M Foster (CEO and President), Richard Ferrari (director), Richard Ginn (Chief Technology Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.