| 2010-03-10 | Sale | Alphatec Holdings, Inc. ATEC | VP, Sales | 14,000 0.03% | $7.00 | $98,000 | -55.89% | |
| 2008-11-19 | Alphatec Holdings, Inc. ATEC | VP, Sales | 15,000 0.0367% | $2.20 | $33,000 | +41.75% | ||
| 2008-11-06 | Alphatec Holdings, Inc. ATEC | VP, Sales | 14,000 0.027% | $3.07 | $42,966 | -21.08% |