| 2023-03-27 | Sale | Clean Harbors, Inc. CLH | 2,000 0.0038% | $134.42 | $268,840 | +25.5% | ||
| 2023-03-15 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 290 0.0005% | $133.07 | $38,590 | +24.26% | |
| 2021-03-15 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 4,557 0.0082% | $88.32 | $402,474 | +6.79% | |
| 2019-12-27 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 2,500 0.0045% | $86.67 | $216,675 | -30.34% | |
| 2018-09-06 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 8,422 0.015% | $69.65 | $586,592 | -2.02% | |
| 2018-06-05 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 5,672 0.0101% | $53.43 | $303,055 | +20.77% | |
| 2017-06-02 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 8,142 0.0142% | $59.25 | $482,414 | -9.96% | |
| 2016-12-15 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 4,308 0.0074% | $56.59 | $243,790 | -2.98% | |
| 2016-03-29 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 4,000 0.0069% | $48.50 | $194,000 | +4.4% | |
| 2012-08-27 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 20,800 0.0218% | $30.77 | $640,016 | +0.19% | |
| 2012-08-22 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 11,098 0.0116% | $31.26 | $346,923 | -1.5% | |
| 2012-08-21 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 5,102 0.0054% | $31.56 | $161,019 | -2.08% | |
| 2011-09-20 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 3,000 0.0058% | $56.65 | $169,950 | +7.94% | |
| 2010-12-06 | Sale | Clean Harbors, Inc. CLH | EVP (CHESI) | 4,000 0.0117% | $59.37 | $237,460 | +29.02% | |
| 2008-12-19 | Sale | Clean Harbors, Inc. CLH | SVP & Ch. Info. Off. CHESI | 2,000 0.0047% | $33.78 | $67,570 | -10.31% |