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Updated Jul 16, 2026 · Last SEC filing 2026-05-05
Tenon Medical, Inc. (TNON) has filed 2 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-05. 6 Form 8-K material event filings were reported by TNON in the last 90 days. InsiderAlpha tracks every TNON SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Surgical & Medical Instruments & Apparatus (SIC 3841) |
|---|---|
| SEC CIK | 0001560293 |
| Form 4 filings (90d) | 2 |
|---|---|
| Form 8-K filings (90d) | 6 |
| Latest Form 4 filing | 2026-05-05 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Geist Wyatt D. | Chief Innovation Officer | A — Grant or award | 136.4K | $0.00 | — | SEC | |
| Grawey Nathaniel A. | Chief Commercial Officer | A — Grant or award | 68.2K | $0.00 | — | SEC | |
| Williamson Kevin | Chief Financial Officer | M — Option exercise | 1.0K | $0.00 | — | SEC | |
| Williamson Kevin | Chief Financial Officer | F — Tax withholding / forfeiture | 18.5K | $0.93 | $17K | SEC | |
| GINN RICHARD | Chief Technology Officer | F — Tax withholding / forfeiture | 47.4K | $0.93 | $44K | SEC | |
| WEIGLE ROBERT K | Director | F — Tax withholding / forfeiture | 3.4K | $0.93 | $3K | SEC | |
| Hochschuler Stephen | Director | F — Tax withholding / forfeiture | 3.3K | $0.93 | $3K | SEC | |
| HOWARD IVAN | Director | F — Tax withholding / forfeiture | 3.3K | $0.93 | $3K | SEC | |
| WEIGLE ROBERT K | Director | M — Option exercise | 10.7K | $0.00 | — | SEC | |
| FOSTER STEVEN M | CEO and President | M — Option exercise | 140.9K | $0.00 | — | SEC | |
| Hochschuler Stephen | Director | M — Option exercise | 10.7K | $0.00 | — | SEC | |
| Ferrari Richard | Director | M — Option exercise | 64.5K | $0.00 | — | SEC | |
| GINN RICHARD | Chief Technology Officer | M — Option exercise | 126.6K | $0.00 | — | SEC | |
| Williamson Kevin | Chief Financial Officer | M — Option exercise | 59.0K | $0.00 | — | SEC | |
| HOWARD IVAN | Director | M — Option exercise | 10.7K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Tenon Medical, Inc. (TNON). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Geist Wyatt D. | 1 | — |
| Grawey Nathaniel A. | 1 | — |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in TNON insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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