| 2011-03-02 | Sale | Alphatec Holdings, Inc. ATEC | director | 100,000 0.1115% | $2.65 | $265,000 | -8.96% | |
| 2009-03-24 | Alphatec Holdings, Inc. ATEC | director | 56,200 0.119% | $1.38 | $77,444 | +220.71% | ||
| 2009-03-23 | Alphatec Holdings, Inc. ATEC | director | 87,400 0.1611% | $1.20 | $104,880 | +220% |