Valentine Keith has filed 7 insider transactions across 1 company since July 2024.
Most recent transaction: a purchase of 43847 shares of Alphatec Holdings, Inc. ($ATEC) on May 08, 2026.
Activity breakdown: 4 open-market purchases and 0 sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 8, 2026 | Alphatec Holdings, Inc. | $ATEC | Valentine Keith | Not found | P | Common Stock | 43847 | $7.54 | 197,271.0000 | 151,401,000 | 28.58% | 0.03% |
| May 11, 2026 | Alphatec Holdings, Inc. | $ATEC | Valentine Keith | Not found | P | Common Stock | 35000 | $7.00 | 232,271.0000 | 151,401,000 | 17.74% | 0.02% |
| May 7, 2026 | Alphatec Holdings, Inc. | $ATEC | Valentine Keith | Not found | P | Common Stock | 56153 | $7.49 | 153,424.0000 | 151,401,000 | 57.73% | 0.04% |
| June 11, 2025 | Alphatec Holdings, Inc. | $ATEC | Valentine Keith | Not found | A | Common Stock | 15131 | $0.00 | 97,271.0000 | 142,946,000 | 18.42% | 0.01% |
| Aug. 2, 2024 | Alphatec Holdings, Inc. | $ATEC | Valentine Keith | Not found | P | Common Stock | 39000 | $6.55 | 82,140.0000 | 121,242,000 | 90.40% | 0.03% |
| July 29, 2024 | Alphatec Holdings, Inc. | $ATEC | Valentine Keith | Not found | A | Common Stock | 28063 | $0.00 | 43,140.0000 | 121,242,000 | 186.13% | 0.02% |
| July 29, 2024 | Alphatec Holdings, Inc. | $ATEC | Valentine Keith | Not found | A | Common Stock | 15077 | $0.00 | 15,077.0000 | 121,242,000 | 9999.99% | 0.01% |