| 2021-05-10 | Sale | Clean Harbors, Inc. CLH | director | 6,910 0.0129% | $95.40 | $659,186 | +5.95% | |
| 2021-03-18 | Sale | Clean Harbors, Inc. CLH | director | 14,753 0.0273% | $89.08 | $1.31M | +9.39% | |
| 2020-06-08 | Sale | Clean Harbors, Inc. CLH | director | 5,000 0.0089% | $69.00 | $345,000 | +6.15% | |
| 2019-06-26 | Sale | Clean Harbors, Inc. CLH | director | 4,267 0.0076% | $68.58 | $292,631 | +8.54% | |
| 2019-03-01 | Sale | Clean Harbors, Inc. CLH | director | 20,000 0.0357% | $68.50 | $1.37M | +9.07% | |
| 2016-12-28 | Sale | Clean Harbors, Inc. CLH | director | 6,788 0.012% | $56.21 | $381,553 | -0.64% | |
| 2015-06-11 | Sale | Clean Harbors, Inc. CLH | director | 199,600 0.2607% | $43.01 | $8.58M | -16.02% | |
| 2014-12-02 | Sale | Clean Harbors, Inc. CLH | director | 40,000 0.0671% | $45.40 | $1.82M | +9.82% | |
| 2013-04-03 | Sale | Clean Harbors, Inc. CLH | director | 26,000 0.0425% | $57.14 | $1.49M | -2.93% | |
| 2013-04-02 | Sale | Clean Harbors, Inc. CLH | director | 4,000 0.0067% | $58.22 | $232,880 | -2.64% | |
| 2012-03-27 | Sale | Clean Harbors, Inc. CLH | director | 18,000 0.0341% | $69.62 | $1.25M | -18.23% | |
| 2012-03-26 | Sale | Clean Harbors, Inc. CLH | director | 22,000 0.0414% | $69.56 | $1.53M | -18.61% | |
| 2011-06-01 | Sale | Clean Harbors, Inc. CLH | director | 17,000 0.0659% | $101.17 | $1.72M | +18.75% |