TNONTenon Medical, Inc.
- Market cap
- $5.92M
- as of 2026-10-23
- Latest close
- $2.20
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Medical Devices
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2025-10-15
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Hrt Financial LP | Sep 10 | Sep 11 | P | 31,227 | $2.92 | Purchase +$91,183 | 15,839 | No | Form 4 |
| Hrt Financial LP | Sep 10 | Sep 11 | P | 28,267 | $4.02 | Purchase +$113,633 | 15,839 | No | Form 4 |
| Hrt Financial LP | Sep 10 | Sep 11 | P | 8,431 | $4.92 | Purchase +$41,481 | 15,839 | No | Form 4 |
| Hrt Financial LP | Sep 10 | Sep 11 | S | 65,582 | $5.56 | Sale −$364,636 | 15,839 | No | Form 4 |
| Hrt Financial LP | Sep 9 | Sep 11 | S | 50,395 | $2.61 | Sale −$131,531 | 18,182 | No | Form 4 |
| Hrt Financial LP | Sep 9 | Sep 11 | P | 39,508 | $3.40 | Purchase +$134,327 | 18,182 | No | Form 4 |
| Hrt Financial LP | Sep 9 | Sep 11 | S | 9,948 | $4.27 | Sale −$42,478 | 18,182 | No | Form 4 |
| Hrt Financial LP | Sep 8 | Sep 11 | P | 707 | $3.34 | Purchase +$2,361 | 2,653 | No | Form 4 |
| Williamson KevinChief Financial Officer | Sep 9 | Sep 10 | F | 11 | $3.45 | $38 | 2,580 | No | Form 4 |
| Williamson KevinChief Financial Officer | Sep 8 | Sep 10 | M | 30 | $0.00 | $0 | 2,591 | No | Form 4 |
| Williamson KevinChief Financial Officer | Sep 8 | Sep 10 | M · derivative | 30 | $0.00 | $0 | 60 | No | Form 4 |
| Hrt Financial LP | Sep 4 | Sep 8 | S | 1,506 | $3.70 | Sale −$5,572 | 1,946 | No | Form 4 |
| Hrt Financial LP | Sep 3 | Sep 8 | P | 1,658 | $3.98 | Purchase +$6,599 | 3,452 | No | Form 4 |
| Hrt Financial LP | Sep 2 | Sep 3 | S | 450 | $4.53 | Sale −$2,039 | 1,794 | No | Form 4 |
| Hrt Financial LP | Sep 1 | Sep 3 | P | 1,790 | $4.57 | Purchase +$8,180 | 2,244 | No | Form 4 |
| Hrt Financial LP | Aug 31 | Sep 1 | S | 1,276 | $4.66 | Sale −$5,946 | 454 | No | Form 4 |
| Hrt Financial LP | Aug 28 | Sep 1 | P | 12,376 | $5.21 | Purchase +$64,479 | 1,730 | No | Form 4 |
| Hrt Financial LP | Aug 28 | Sep 1 | P | 5,981 | $6.35 | Purchase +$37,979 | 1,730 | No | Form 4 |
| Hrt Financial LP | Aug 28 | Sep 1 | S | 4,932 | $7.07 | Sale −$34,869 | 1,730 | No | Form 4 |
| Hrt Financial LP | Aug 28 | Sep 1 | S | 2,091 | $7.90 | Sale −$16,519 | 1,730 | No | Form 4 |
| Hrt Financial LP | Aug 27 | Aug 31 | S | 419 | $4.96 | Sale −$2,078 | 9,604 | No | Form 4 |
| Foster Steven MCEO and President | Aug 3 | Aug 4 | F | 41,788 | $0.20 | $8,358 | 262,962 | No | Form 4 |
| Ginn RichardChief Technology Officer | Aug 3 | Aug 4 | F | 44,809 | $0.20 | $8,962 | 167,357 | No | Form 4 |
| Williamson KevinChief Financial Officer | Aug 3 | Aug 4 | F | 12,978 | $0.20 | $2,596 | 89,602 | No | Form 4 |
| Foster Steven MCEO and President | Jul 31 | Aug 4 | M | 140,936 | $0.00 | $0 | 304,750 | No | Form 4 |
| Foster Steven MCEO and President | Jul 31 | Aug 4 | M · derivative | 140,936 | $0.00 | $0 | not reported | No | Form 4 |
| Ginn RichardChief Technology Officer | Jul 31 | Aug 4 | M | 126,577 | $0.00 | $0 | 212,166 | No | Form 4 |
| Ginn RichardChief Technology Officer | Jul 31 | Aug 4 | M · derivative | 126,577 | $0.00 | $0 | not reported | No | Form 4 |
| Williamson KevinChief Financial Officer | Jul 31 | Aug 4 | M | 58,987 | $0.00 | $0 | 102,580 | No | Form 4 |
| Williamson KevinChief Financial Officer | Jul 31 | Aug 4 | M · derivative | 58,987 | $0.00 | $0 | not reported | No | Form 4 |
| Ferrari Richard | Jul 31 | Aug 4 | M | 64,479 | $0.00 | $0 | 135,243 | No | Form 4 |
| Ferrari Richard | Jul 31 | Aug 4 | M · derivative | 64,479 | $0.00 | $0 | not reported | No | Form 4 |
| Hochschuler Stephen | Jul 31 | Aug 4 | M | 10,732 | $0.00 | $0 | 18,670 | No | Form 4 |
| Hochschuler Stephen | Jul 31 | Aug 4 | M · derivative | 10,732 | $0.00 | $0 | not reported | No | Form 4 |
| Howard Ivan | Jul 31 | Aug 4 | M | 10,732 | $0.00 | $0 | 19,194 | No | Form 4 |
| Howard Ivan | Jul 31 | Aug 4 | M · derivative | 10,732 | $0.00 | $0 | not reported | No | Form 4 |
| Jacques Kristine M | Jul 31 | Aug 4 | M | 10,147 | $0.00 | $0 | 20,876 | No | Form 4 |
| Jacques Kristine M | Jul 31 | Aug 4 | M · derivative | 10,147 | $0.00 | $0 | not reported | No | Form 4 |
| Weigle Robert K | Jul 31 | Aug 4 | M | 10,732 | $0.00 | $0 | 18,284 | No | Form 4 |
| Weigle Robert K | Jul 31 | Aug 4 | M · derivative | 10,732 | $0.00 | $0 | not reported | No | Form 4 |
| Grawey Nathaniel A.Chief Commercial Officer | May 1 | May 5 | A | 68,201 | $0.00 | $0 | 243,584 | No | Form 4 |
| Geist Wyatt D.Chief Innovation Officer | May 1 | May 5 | A | 136,401 | $0.00 | $0 | 487,166 | No | Form 4 |
| Williamson KevinChief Financial Officer | Mar 3 | Mar 5 | M | 1,041 | $0.00 | $0 | 43,593 | No | Form 4 |
| Williamson KevinChief Financial Officer | Mar 3 | Mar 5 | M · derivative | 1,041 | $0.00 | $0 | 3,126 | No | Form 4 |
| Howard Ivan | Jan 5 | Jan 5 | F | 3,327 | $0.93 | $3,094 | 8,462 | No | Form 4 |
| Williamson KevinChief Financial Officer | Jan 5 | Jan 5 | F | 18,518 | $0.93 | $17,222 | 42,552 | No | Form 4 |
| Ginn RichardChief Technology Officer | Jan 5 | Jan 5 | F | 47,426 | $0.93 | $44,106 | 85,589 | No | Form 4 |
| Weigle Robert K | Jan 5 | Jan 5 | F | 3,413 | $0.93 | $3,174 | 7,552 | No | Form 4 |
| Hochschuler Stephen | Jan 5 | Jan 5 | F | 3,327 | $0.93 | $3,094 | 7,938 | No | Form 4 |
| Howard Ivan | Jan 1 | Jan 5 | M | 10,732 | $0.00 | $0 | 11,789 | No | Form 4 |
| Howard Ivan | Jan 1 | Jan 5 | M · derivative | 10,732 | $0.00 | $0 | 10,732 | No | Form 4 |
| Williamson KevinChief Financial Officer | Jan 1 | Jan 5 | M | 58,987 | $0.00 | $0 | 61,070 | No | Form 4 |
| Williamson KevinChief Financial Officer | Jan 1 | Jan 5 | M · derivative | 58,987 | $0.00 | $0 | 58,987 | No | Form 4 |
| Jacques Kristine M | Jan 1 | Jan 5 | M | 10,146 | $0.00 | $0 | 10,146 | No | Form 4 |
| Jacques Kristine M | Jan 1 | Jan 5 | M | 583 | $0.00 | $0 | 10,729 | No | Form 4 |
| Jacques Kristine M | Jan 1 | Jan 5 | M · derivative | 10,146 | $0.00 | $0 | 10,147 | No | Form 4 |
| Jacques Kristine M | Jan 1 | Jan 5 | M · derivative | 583 | $0.00 | $0 | 492 | No | Form 4 |
| Ferrari Richard | Jan 1 | Jan 5 | M | 64,478 | $0.00 | $0 | 70,764 | No | Form 4 |
| Ferrari Richard | Jan 1 | Jan 5 | M · derivative | 64,479 | $0.00 | $0 | 64,479 | No | Form 4 |
| Ginn RichardChief Technology Officer | Jan 1 | Jan 5 | M | 126,577 | $0.00 | $0 | 133,015 | No | Form 4 |
| Ginn RichardChief Technology Officer | Jan 1 | Jan 5 | M · derivative | 126,577 | $0.00 | $0 | 126,577 | No | Form 4 |
| Weigle Robert K | Jan 1 | Jan 5 | M | 10,732 | $0.00 | $0 | 10,965 | No | Form 4 |
| Weigle Robert K | Jan 1 | Jan 5 | M · derivative | 10,732 | $0.00 | $0 | 10,732 | No | Form 4 |
| Hochschuler Stephen | Jan 1 | Jan 5 | M | 10,732 | $0.00 | $0 | 11,265 | No | Form 4 |
| Hochschuler Stephen | Jan 1 | Jan 5 | M · derivative | 10,732 | $0.00 | $0 | 10,732 | No | Form 4 |
| Foster Steven MCEO and President | Jan 1 | Jan 5 | M | 140,936 | $0.00 | $0 | 163,814 | No | Form 4 |
| Foster Steven MCEO and President | Jan 1 | Jan 5 | M · derivative | 140,936 | $0.00 | $0 | 140,936 | No | Form 4 |
| Howard Ivan | May 22, 2025 | Dec 29, 2025 | M | 78 | $0.00 | $0 | 1,057 | No | Form 4 |
| Howard Ivan | May 22, 2025 | Dec 29, 2025 | M · derivative | 78 | $0.00 | $0 | not reported | No | Form 4 |
| Weigle Robert K | May 22, 2025 | Dec 29, 2025 | M | 78 | $0.00 | $0 | 233 | No | Form 4 |
| Weigle Robert K | May 22, 2025 | Dec 29, 2025 | M · derivative | 78 | $0.00 | $0 | not reported | No | Form 4 |
| Howard Ivan | May 22, 2024 | Dec 29, 2025 | M | 78 | $0.00 | $0 | 979 | No | Form 4 |
| Howard Ivan | May 22, 2024 | Dec 29, 2025 | M · derivative | 78 | $0.00 | $0 | 78 | No | Form 4 |
| Weigle Robert K | May 22, 2024 | Dec 29, 2025 | M | 78 | $0.00 | $0 | 155 | No | Form 4 |
| Weigle Robert K | May 22, 2024 | Dec 29, 2025 | M · derivative | 78 | $0.00 | $0 | 78 | No | Form 4 |
| Jacques Kristine M | May 8, 2024 | Dec 22, 2025 | A · derivative | 1,750 | $0.00 | $0 | 1,750 | No | Form 4 |
| Williamson KevinChief Financial Officer | Sep 3, 2025 | Dec 19, 2025 | M | 2,083 | $0.00 | $0 | 2,083 | No | Form 4 |
| Williamson KevinChief Financial Officer | Sep 3, 2025 | Dec 19, 2025 | M · derivative | 2,083 | $0.00 | $0 | 4,167 | No | Form 4 |
| Williamson KevinChief Financial Officer | Nov 5, 2024 | Dec 19, 2025 | A · derivative | 6,250 | $0.00 | $0 | 6,250 | No | Form 4 |
| Grawey Nathaniel A.Chief Commercial Officer | Nov 14, 2025 | Nov 18, 2025 | P | 101,167 | not reported | Purchase not reported | 239,281 | No | Form 4 |
| Grawey Nathaniel A.Chief Commercial Officer | Nov 14, 2025 | Nov 18, 2025 | P · derivative | 101,167 | $1.16 | Purchase +$117,354 | 101,167 | No | Form 4 |
| Geist Wyatt D.Chief Innovation Officer | Nov 14, 2025 | Nov 18, 2025 | P | 19,455 | not reported | Purchase not reported | 157,569 | No | Form 4 |
| Geist Wyatt D.Chief Innovation Officer | Nov 14, 2025 | Nov 18, 2025 | P · derivative | 19,455 | $1.16 | Purchase +$22,568 | 19,455 | No | Form 4 |
| Foster Steven MCEO and President | Nov 14, 2025 | Nov 18, 2025 | P | 19,455 | not reported | Purchase not reported | 22,878 | No | Form 4 |
| Foster Steven MCEO and President | Nov 14, 2025 | Nov 18, 2025 | P · derivative | 19,455 | $1.16 | Purchase +$22,568 | 19,455 | No | Form 4 |
| Howard Ivan | Oct 13, 2025 | Oct 15, 2025 | A · derivative | 21,464 | $0.00 | $0 | 21,464 | No | Form 4 |
| Williamson KevinChief Financial Officer | Oct 13, 2025 | Oct 15, 2025 | A · derivative | 117,974 | $0.00 | $0 | 117,974 | No | Form 4 |
| Jacques Kristine M | Oct 13, 2025 | Oct 15, 2025 | A · derivative | 20,293 | $0.00 | $0 | 20,293 | No | Form 4 |
| Ferrari Richard | Oct 13, 2025 | Oct 15, 2025 | A · derivative | 128,957 | $0.00 | $0 | 128,957 | No | Form 4 |
| Ginn RichardChief Technology Officer | Oct 13, 2025 | Oct 15, 2025 | A · derivative | 253,153 | $0.00 | $0 | 253,153 | No | Form 4 |
| Weigle Robert K | Oct 13, 2025 | Oct 15, 2025 | A · derivative | 21,464 | $0.00 | $0 | 21,464 | No | Form 4 |
| Hochschuler Stephen | Oct 13, 2025 | Oct 15, 2025 | A · derivative | 21,464 | $0.00 | $0 | 21,464 | No | Form 4 |
| Foster Steven MCEO and President | Oct 13, 2025 | Oct 15, 2025 | A · derivative | 281,872 | $0.00 | $0 | 281,872 | No | Form 4 |