| 2022-05-27 | Sale | Hudson Technologies, Inc. HDSN | 44,215 0.0991% | $9.73 | $430,137 | -6.32% | ||
| 2022-03-11 | Sale | Hudson Technologies, Inc. HDSN | 100,000 0.2195% | $5.75 | $575,000 | +58.55% | ||
| 2021-11-19 | Sale | Hudson Technologies, Inc. HDSN | director | 15,800 0.0351% | $4.69 | $74,047 | +55.67% | |
| 2021-11-18 | Sale | Hudson Technologies, Inc. HDSN | director | 184,200 0.4174% | $4.71 | $867,582 | +58% | |
| 2021-05-26 | Sale | Hudson Technologies, Inc. HDSN | director | 47,853 0.101% | $2.48 | $118,675 | +39.26% | |
| 2021-05-25 | Sale | Hudson Technologies, Inc. HDSN | director | 152,147 0.3498% | $2.37 | $360,588 | +58.65% | |
| 2021-03-12 | Sale | Hudson Technologies, Inc. HDSN | director | 100,000 0.2264% | $1.57 | $157,011 | +112.5% | |
| 2018-03-15 | Hudson Technologies, Inc. HDSN | VP Legal & Regulatory | 2,000 0.0047% | $5.51 | $11,020 | -68.43% | ||
| 2016-08-10 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg | 28,258 0.0826% | $4.97 | $140,527 | +45.92% | |
| 2016-08-09 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg. | 271,742 0.8105% | $4.90 | $1.33M | +50.93% | |
| 2015-05-06 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg. | 130,200 0.4123% | $4.49 | $584,989 | -26.38% | |
| 2015-03-13 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg. | 29,854 0.0937% | $4.26 | $127,178 | -23.33% | |
| 2015-03-12 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg. | 120,914 0.3757% | $4.29 | $518,721 | -24.59% | |
| 2015-03-10 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg | 3,600 0.0112% | $4.52 | $16,272 | -28.29% | |
| 2014-03-12 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg | 0 – | $0 | $0 | +6.5% | |
| 2013-03-07 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg. | 88,458 0.3651% | $4.26 | $376,743 | -25.94% | |
| 2013-03-06 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg. | 74,822 0.3091% | $4.27 | $319,714 | -26% | |
| 2013-03-05 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg. | 81,262 0.3363% | $4.28 | $347,801 | -25.76% | |
| 2013-03-04 | Sale | Hudson Technologies, Inc. HDSN | Vice President Legal & Reg. | 67,000 0.2779% | $4.49 | $300,830 | -28.99% | |
| 2012-06-08 | Sale | Hudson Technologies, Inc. HDSN | VP Legal & Regulatory | 5,000 0.0211% | $3.70 | $18,500 | +1.63% |