Tenon Medical, Inc. (TNON)
Data as of , from SEC Form 4 filings.
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About Tenon Medical, Inc. (TNON)
Tenon Medical Inc is a medical device company that has minimally invasive approach to the sacroiliac joint (the SI Joint) using a single, robust, titanium implant for the treatment of the common types of SI Joint disorders that cause lower back pain. The Company is focused on three commercial opportunities; Primary SI Joint procedures, Revision procedures of failed SI Joint implants, and SI Joint fusion adjunct to a spine fusion construct. The company derives the majority of its revenue from sales of The Catamaran System to a limited number of clinicians.
- LOS GATOS, CA
- 26
- 2022
- XNAS
TNON Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 9 | 129,945 | $500K |
| Open-market sale | 9 | 136,599 | $606K |
| Option exercise | 18 | 866,704 | |
TNON insider transactions (Form 4)
8140 Form 4 filings on record, the earliest from Oct 13, 2025, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 707 | $3.34 footnote F1 | $2K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 50,395 | $2.61 footnote F1 | $132K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 39,508 | $3.40 footnote F1 | $134K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 9,948 | $4.27 footnote F1 | $42K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 31,227 | $2.92 footnote F1 | $91K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 28,267 | $4.02 footnote F1 | $114K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 8,431 | $4.92 footnote F1 | $41K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 65,582 | $5.56 footnote F1 | $365K | |
| ||||||
 Kevin Williamson - Officer | Option exercise | Common Stock | 30 | $0.00 | - | |
| Kevin Williamson - Officer | Tax withholding / forfeiture | Common Stock | 11 | $3.45 | $38 | |
| Kevin Williamson - Officer | Option exercise | Restricted Stock Units | 30 | $0.00 | - | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 1,658 | $3.98 footnote F1 | $7K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 1,506 | $3.70 footnote F1 | $6K | |
| ||||||
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 1,790 | $4.57 footnote F1 | $8K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 450 | $4.53 footnote F1 | $2K | |
| ||||||
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 12,376 | $5.21 footnote F1 | $64K | |
| HRT FINANCIAL LP - 10% Owner | Open-market purchase | Common Stock | 5,981 | $6.35 footnote F1 | $38K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 4,932 | $7.07 footnote F1 | $35K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 2,091 | $7.90 footnote F1 | $17K | |
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 1,276 | $4.66 footnote F1 | $6K | |
| ||||||
| HRT FINANCIAL LP - 10% Owner | Open-market sale | Common Stock | 419 | $4.96 footnote F1 | $2K | |
| ||||||
| Robert K. Weigle - Director | Option exercise | Common Stock | 10,732 | $0.00 | - | |
| Robert K. Weigle - Director | Option exercise | Restricted Stock Units | 10,732 | $0.00 | - | |
| Kristine M. Jacques - Director | Option exercise | Common Stock | 10,147 | $0.00 | - | |
| Kristine M. Jacques - Director | Option exercise | Restricted Stock Units | 10,147 | $0.00 | - | |
| Ivan Howard - Director | Option exercise | Common Stock | 10,732 | $0.00 | - | |
| Ivan Howard - Director | Option exercise | Restricted Stock Units | 10,732 | $0.00 | - | |
| Stephen Hochschuler - Director | Option exercise | Common Stock | 10,732 | $0.00 | - | |
| Stephen Hochschuler - Director | Option exercise | Restricted Stock Units | 10,732 | $0.00 | - | |
| Richard Ferrari - Director | Option exercise | Common Stock | 64,479 | $0.00 | - | |
| Richard Ferrari - Director | Option exercise | Restricted Stock Units | 64,479 | $0.00 | - | |
| Kevin Williamson - Officer | Option exercise | Common Stock | 58,987 | $0.00 | - | |
| Kevin Williamson - Officer | Tax withholding / forfeiture | Common Stock | 12,978 | $6.93 | $3K | |
| Kevin Williamson - Officer | Option exercise | Restricted Stock Units | 58,987 | $0.00 | - | |
| Richard Ginn - Officer | Option exercise | Common Stock | 126,577 | $0.00 | - | |
| Richard Ginn - Officer | Tax withholding / forfeiture | Common Stock | 44,809 | $6.93 | $9K | |
| Richard Ginn - Officer | Option exercise | Restricted Stock Units | 126,577 | $0.00 | - | |
 Steven M. Foster - Officer | Option exercise | Common Stock | 140,936 | $0.00 | - | |
| Steven M. Foster - Officer | Tax withholding / forfeiture | Common Stock | 41,788 | $6.93 | $8K | |
| Steven M. Foster - Officer | Option exercise | Restricted Stock Units | 140,936 | $0.00 | - | |
| Wyatt D. Geist - Officer | Grant or award | Common stock | 136,401 | $0.00 | - | |
| Nathaniel A. Grawey - Officer | Grant or award | Common stock | 68,201 | $0.00 | - | |
| Kevin Williamson - Officer | Option exercise | Common Stock | 1,041 | $0.00 | - | |
| Kevin Williamson - Officer | Option exercise | Restricted Stock Units | 1,041 | $0.00 | - | |
| Steven M. Foster - Officer | Option exercise | Common Stock | 140,936 | $0.00 | - | |
| Steven M. Foster - Officer | Option exercise | Restricted Stock Units | 140,936 | $0.00 | - | |
| Stephen Hochschuler - Director | Option exercise | Common Stock | 10,732 | $0.00 | - | |
| Stephen Hochschuler - Director | Tax withholding / forfeiture | Common Stock | 3,327 | $32.59 | $3K | |
| Stephen Hochschuler - Director | Option exercise | Restricted Stock Units | 10,732 | $0.00 | - | |
| Robert K. Weigle - Director | Option exercise | Common Stock | 10,732 | $0.00 | - | |
| Robert K. Weigle - Director | Tax withholding / forfeiture | Common Stock | 3,413 | $32.55 | $3K | |
| Robert K. Weigle - Director | Option exercise | Restricted Stock Units | 10,732 | $0.00 | - | |
| Richard Ginn - Officer | Option exercise | Common Stock | 126,577 | $0.00 | - | |
| Richard Ginn - Officer | Tax withholding / forfeiture | Common Stock | 47,426 | $32.55 | $44K | |
| Richard Ginn - Officer | Option exercise | Restricted Stock Units | 126,577 | $0.00 | - | |
| Richard Ferrari - Director | Option exercise | Common Stock | 64,478 | $0.00 | - | |
| Richard Ferrari - Director | Option exercise | Restricted Stock Units | 64,479 | $0.00 | - | |
| Kristine M. Jacques - Director | Option exercise | Common Stock | 10,146 | $0.00 | - | |
| Kristine M. Jacques - Director | Option exercise | Common Stock | 583 | $0.00 | - | |
| Kristine M. Jacques - Director | Option exercise | Restricted Stock Units | 10,146 | $0.00 | - | |
| Kristine M. Jacques - Director | Option exercise | Restricted Stock Units | 583 | $0.00 | - | |
| Kevin Williamson - Officer | Option exercise | Common Stock | 58,987 | $0.00 | - | |
| Kevin Williamson - Officer | Tax withholding / forfeiture | Common Stock | 18,518 | $32.59 | $17K | |
| Kevin Williamson - Officer | Option exercise | Restricted Stock Units | 58,987 | $0.00 | - | |
| Ivan Howard - Director | Option exercise | Common Stock | 10,732 | $0.00 | - | |
| Ivan Howard - Director | Tax withholding / forfeiture | Common Stock | 3,327 | $32.55 | $3K | |
| Ivan Howard - Director | Option exercise | Restricted Stock Units | 10,732 | $0.00 | - | |
| Ivan Howard - Director | Option exercise | Common stock | 78 | $0.00 | - | |
| Ivan Howard - Director | Option exercise | Common stock | 78 | $0.00 | - | |
| Ivan Howard - Director | Option exercise | Restricted Stock Units | 78 | $0.00 | - | |
| Ivan Howard - Director | Option exercise | Restricted Stock Units | 78 | $0.00 | - | |
| Robert K. Weigle - Director | Option exercise | Common stock | 78 | $0.00 | - | |
| Robert K. Weigle - Director | Option exercise | Common stock | 78 | $0.00 | - | |
| Robert K. Weigle - Director | Option exercise | Restricted Stock Units | 78 | $0.00 | - | |
| Robert K. Weigle - Director | Option exercise | Restricted Stock Units | 78 | $0.00 | - | |
| Kristine M. Jacques - Director | Grant or award | Restricted Stock Units | 1,750 | $0.00 | - | |
| Kevin Williamson - Officer | Option exercise | Common Stock | 2,083 | $0.00 | - | |
| Kevin Williamson - Officer | Grant or award | Restricted Stock Units | 6,250 | $0.00 | - | |
| Kevin Williamson - Officer | Option exercise | Restricted Stock Units | 2,083 | $0.00 | - | |
| Steven M. Foster - Officer | Open-market purchase | Common stock | 19,455 | - footnote F1 | - | |
| Steven M. Foster - Officer | Open-market purchase | Common Stock Purchase Warrant | 19,455 | - footnote F1 | - | |
| ||||||
Item 1.01, 3.02, 8.01, 9.01
Item 8.01, 9.01
Item 1.01, 3.02, 8.01, 9.01
Item 1.01, 3.02, 8.01, 9.01
TNON insider trading FAQ
What is the latest insider trade for TNON?
Tenon Medical, Inc. (TNON) had 14 insider filings in the last 90 days, with the most recent on 2026-09-11. The full record for TNON runs to 40 Form 4 filings, the earliest from 2025-10-13. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying TNON stock?
9 insider purchases of TNON were filed in the last 90 days, totaling $500K.
How many insiders are selling TNON stock?
9 insider sales of TNON were filed in the last 90 days, totaling $606K.
Where can I see TNON SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects TNON Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - HRT FINANCIAL LP view on EDGAR
- - Kevin Williamson view on EDGAR
- - HRT FINANCIAL LP view on EDGAR
- - HRT FINANCIAL LP view on EDGAR
- - HRT FINANCIAL LP view on EDGAR
- - HRT FINANCIAL LP view on EDGAR
- - Robert K. Weigle view on EDGAR
- - Kristine M. Jacques view on EDGAR
- - Ivan Howard view on EDGAR
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Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Insider activity in Health Care
- Where TNON's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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