Valentine Keith insider trades
Valentine Keith has filed 18 Form 4s with the SEC that we hold, for SPNE (Chief Executive Officer, Director), Alphatec Holdings, Inc. (ATEC) (Director), Orthofix Medical Inc. (OFIX) (President & CEO, Director) and SI-BONE, Inc. (SIBN) (Director), among 5 companies in all. Across all of them we count 4 purchases worth $1.3M and 0 sales worth $0 reported on Form 4. In the last 12 months: 3 purchases ($996.2K) and 0 sales ($0). The largest single trade was a purchase of 56,153 shares of Alphatec Holdings, Inc. worth $420.6K, dated 2026-05-07. The first filing on our record is dated 2021-07-02 and the latest 2026-07-13.
SPNE
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Alphatec Holdings, Inc. (ATEC)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-08-02 | P, purchase reported on Form 4 | 39,000 | $255.4K | 2024-08-05 |
| 2026-05-07 | P, purchase reported on Form 4 | 56,153 | $420.6K | 2026-05-11 |
| 2026-05-08 | P, purchase reported on Form 4 | 43,847 | $330.6K | 2026-05-11 |
| 2026-05-11 | P, purchase reported on Form 4 | 35,000 | $245.0K | 2026-05-11 |
Orthofix Medical Inc. (OFIX)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
SI-BONE, Inc. (SIBN)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Regentis Biomaterials LTD. (RGNT)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1289408) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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