Keith Valentine
First SEC filing: Jan. 9, 2023 · Latest: June 12, 2026
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 10, 2026 | ATEC | A | 32,012 | · | · | 264,283 Direct | +13.78% | Acquired | (price as of 2026-10-05) |
| May 11, 2026 | ATEC | P | 35,000 | $7.00 | $245,000 | 232,271 Direct | +17.74% | Acquired | 53.1% (price as of 2026-10-05) |
| May 8, 2026 | ATEC | P | 43,847 | $7.54 | $330,606 | 197,271 Direct | +28.58% | Acquired | 42.2% (price as of 2026-10-05) |
| May 7, 2026 | ATEC | P | 56,153 | $7.49 | $420,586 | 153,424 Direct | +57.73% | Acquired | 43.1% (price as of 2026-10-05) |
| June 11, 2025 | ATEC | A | 15,131 | · | · | 97,271 Direct | +18.42% | Acquired | (price as of 2026-10-05) |
| Aug. 2, 2024 | ATEC | P | 39,000 | $6.55 | $255,450 | 82,140 Direct | +90.40% | Acquired | 63.7% (price as of 2026-10-05) |
| July 29, 2024 | ATEC | A | 15,077 | · | · | 15,077 Direct | · | Acquired | (price as of 2026-10-05) |
| July 29, 2024 | ATEC | A | 28,063 | · | · | 43,140 Direct | +186.13% | Acquired | (price as of 2026-10-05) |
| June 9, 2023 | SIBN | A | 4,866 | · | · | 57,209 Direct | +9.30% | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2023 | OFIX | F | 16,290 | $20.60 | $335,574 | 377,741 Direct | -4.13% | Disposed | -53.9% (price as of 2026-10-05) |
| Jan. 30, 2023 | OFIX | F | 5,824 | $21.22 | $123,585 | 394,031 Direct | -1.46% | Disposed | -55.2% (price as of 2026-10-05) |
| Jan. 5, 2023 | OFIX | A | 140,515 | · | · | 399,855 Direct | +54.18% | Acquired | (price as of 2026-10-05) |
| Jan. 5, 2023 | OFIX | A | 338,264 | · | · | 338,264 Direct | · | Acquired | (price as of 2026-10-05) |
| June 16, 2022 | SIBN | A | 8,324 | · | · | 52,343 Direct | +18.91% | Acquired | (price as of 2026-10-05) |
| June 10, 2021 | SIBN | A | 3,848 | · | · | 44,019 Direct | +9.58% | Acquired | (price as of 2026-10-05) |
| June 16, 2020 | SIBN | A | 8,797 | · | · | 40,171 Direct | +28.04% | Acquired | (price as of 2026-10-05) |
| June 13, 2019 | SIBN | A | 15,741 | · | · | 15,741 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 19, 2018 | SIBN | C | 9,966 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Oct. 19, 2018 | SIBN | C | 9,966 | · | · | 31,374 Direct | +46.55% | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 5, 2023 | OFIX | Employee Stock Option (Right to Buy) | Common Stock | $20.90 | Jan. 5, 2033 | 338,264 | Acquired |
| June 13, 2019 | SIBN | Stock Options (Right to buy) | Common Stock | $17.72 | June 12, 2029 | 15,741 | Acquired |
| Oct. 19, 2018 | SIBN | Series 7 Preferred Stock | Common Stock | · | · | 9,966 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 11 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 9, 2023 | OFIX | Common Stock | 259,340 | Direct |
| Jan. 9, 2023 | OFIX | Employee Stock Option (Right to Buy) | · | Direct |
| Jan. 9, 2023 | OFIX | Employee Stock Option (Right to Buy) | · | Direct |
| Jan. 9, 2023 | OFIX | Employee Stock Option (Right to Buy) | · | Direct |
| Jan. 9, 2023 | OFIX | Employee Stock Option (Right to Buy) | · | Direct |
| Jan. 9, 2023 | OFIX | Employee Stock Option (Right to Buy) | · | Direct |
| Jan. 9, 2023 | OFIX | Employee Stock Option (Right to Buy) | · | Direct |
| Jan. 9, 2023 | OFIX | Employee Stock Option (Right to Buy) | · | Direct |
| Oct. 16, 2018 | SIBN | Common Stock | 21,408 | Direct |
| Oct. 16, 2018 | SIBN | Series 7 Preferred Stock | 9,966 | Direct |
| Oct. 16, 2018 | SIBN | Stock Option (right to buy) | 22,222 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $598,731 | · | · | · | · | · | $12,263 | $6,484,267 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.