| 2007-09-25 | Sale | Hudson Technologies, Inc. HDSN | 2.22M 10.4326% | $1.12 | $2.49M | +24.58% | ||
| 2007-06-28 | Sale | Hudson Technologies, Inc. HDSN | 10 percent owner | 29.82M 66.8136% | $0.65 | $19.39M | +5.36% | |
| 2003-12-08 | Hudson Technologies, Inc. HDSN | 10 percent owner | 1.59M 33.8732% | $1.10 | $1.75M | +2% | ||
| 2003-11-24 | Hudson Technologies, Inc. HDSN | 10 percent owner | 1.08M 28.3641% | $1.10 | $1.19M | +26.54% |