Who
Keith Valentine
Director
Company insider
Files Form 4 as: Director, Regentis Biomaterials; Director, Alphatec Holdings; Director, Si-Bone; President & CEO, Orthofix Medical; Chief Executive Officer, SeaSpine Holdings; COO, Nuvasive.
In numbers
- Trades disclosed
- 308
- Buys
- 11
- Sells
- 71
- Bought
- $3.7M
- Sold
- $15.8M
- Companies
- 6
- Companies where not an officer
- 3
- First trade
- 20 Oct 2004
- Last trade
- 9 Jul 2026
- Last filed
- 13 Jul 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 9 Jul 2026filed 13 Jul 2026 | RGNT Regentis Biomaterialsoption or derivative · Medical Devices | SEC FORM 4 Code A | —24,826 at $0.00 | filing |
| 9 Jul 2026filed 13 Jul 2026 | RGNT Regentis Biomaterialsoption or derivative · Medical Devices | SEC FORM 4 Code A | —24,826 at $0.00 | filing |
| 10 Jun 2026filed 12 Jun 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —32,012 at $0.00 | filing |
| 10 Jun 2026filed 12 Jun 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —32,012 at $0.00 | filing |
| 11 May 2026filed 11 May 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Bought | $245K35,000 at $7.00 | filing |
| 11 May 2026filed 11 May 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Bought | $245K35,000 at $7.00 | filing |
| 8 May 2026filed 11 May 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Bought | $331K43,847 at $7.54 | filing |
| 8 May 2026filed 11 May 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Bought | $331K43,847 at $7.54 | filing |
| 7 May 2026filed 11 May 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Bought | $421K56,153 at $7.49 | filing |
| 7 May 2026filed 11 May 2026 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Bought | $421K56,153 at $7.49 | filing |
| 11 Jun 2025filed 13 Jun 2025 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —15,131 at $0.00 | filing |
| 2 Aug 2024filed 5 Aug 2024 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Bought | $255K39,000 at $6.55 | filing |
| 29 Jul 2024filed 31 Jul 2024 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —15,077 at $0.00 | filing |
| 29 Jul 2024filed 31 Jul 2024 | ATEC Alphatec HoldingsMedical Devices | SEC FORM 4 Code A | —28,063 at $0.00 | filing |
| 9 Jun 2023filed 13 Jun 2023 | SIBN Si-BoneMedical Devices | SEC FORM 4 Code A | —4,866 at $0.00 | filing |
| 28 Feb 2023filed 2 Mar 2023 | OFIX Orthofix MedicalMedical Devices | SEC FORM 4 Code F | $336K16,290 at $20.60 | filing |
| 30 Jan 2023filed 1 Feb 2023 | OFIX Orthofix MedicalMedical Devices | SEC FORM 4 Code F | $124K5,824 at $21.22 | filing |
| 5 Jan 2023filed 9 Jan 2023 | OFIX Orthofix Medicaloption or derivative · Medical Devices | SEC FORM 4 Code A | —338,264 at $0.00 | filing |
| 5 Jan 2023filed 9 Jan 2023 | OFIX Orthofix MedicalMedical Devices | SEC FORM 4 Code A | —140,515 at $0.00 | filing |
| 5 Jan 2023filed 9 Jan 2023 | SeaSpine Holdingsoption or derivative | SEC FORM 4 Code D | —52,392 | filing |
News
Sanuwave Health (NASDAQ:SNWV) & Alphatec (NASDAQ:ATEC) Head-To-Head ContrastATEC · dailypolitical.com · 11 Oct 2026
0 headlines in the last 90 days name Keith Valentine; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.