Valentine Keith (CIK 1289408) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-12). Recent activity: Buy ATEC (32,012 shares), Buy ATEC (56,153 shares), Buy ATEC (43,847 shares), Buy ATEC (35,000 shares), Buy ATEC (15,131 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-12 | Alphatec Holdings, Inc. (ATEC) | Director | Buy | 32,012 | $0 |
| 2026-05-11 | Alphatec Holdings, Inc. (ATEC) | Director | Buy | 56,153 | $420,586 |
| 2026-05-11 | Alphatec Holdings, Inc. (ATEC) | Director | Buy | 43,847 | $330,606 |
| 2026-05-11 | Alphatec Holdings, Inc. (ATEC) | Director | Buy | 35,000 | $245,000 |
| 2025-06-13 | Alphatec Holdings, Inc. (ATEC) | Director | Buy | 15,131 | $0 |
Source: SEC Form 4 filings · as of 2026-06-12