| 2017-08-25 | Alphatec Holdings, Inc. ATEC | Chief Executive Officer | 5,000 0.0368% | $1.99 | $9,950 | +67.53% | ||
| 2017-08-15 | Alphatec Holdings, Inc. ATEC | Chief Executive Officer | 5,916 0.0427% | $1.69 | $9,998 | +92.56% | ||
| 2016-12-16 | Alphatec Holdings, Inc. ATEC | Chief Executive Officer | 5,000 0.0624% | $4.26 | $21,320 | -42.54% |