| 2024-06-11 | Sale | Clean Harbors, Inc. CLH | EXEC CHAIR, CTO. | 50,000 0.0926% | $215.51 | $10.78M | +4.78% | |
| 2024-02-27 | Sale | Clean Harbors, Inc. CLH | EXEC CHAIR, CTO. | 35,000 0.0648% | $182.22 | $6.38M | +10.11% | |
| 2024-02-26 | Sale | Clean Harbors, Inc. CLH | EXEC CHAIR, CTO. | 35,000 0.0649% | $184.06 | $6.44M | +9.33% | |
| 2023-12-20 | Sale | Clean Harbors, Inc. CLH | EXEC CHAIR, CTO. | 17,453 0.0326% | $178.37 | $3.11M | +8.92% | |
| 2023-11-17 | Sale | Clean Harbors, Inc. CLH | EXEC CHAIR, CTO. | 46,611 0.0863% | $164.60 | $7.67M | +14.2% | |
| 2023-11-16 | Sale | Clean Harbors, Inc. CLH | EXEC CHAIR, CTO. | 28,389 0.0526% | $164.50 | $4.67M | +14.1% | |
| 2023-07-03 | Sale | Clean Harbors, Inc. CLH | EXEC CHAIR, CTO. | 1,231 0.0023% | $164.43 | $202,413 | +5.54% | |
| 2023-05-16 | Sale | Clean Harbors, Inc. CLH | EXEC CHAIR, CTO. | 53,800 0.0984% | $139.02 | $7.48M | +20.07% | |
| 2023-05-15 | Sale | Clean Harbors, Inc. CLH | EXEC CHAIR, CTO. | 16,200 0.03% | $139.60 | $2.26M | +20.95% | |
| 2023-03-15 | Sale | Clean Harbors, Inc. CLH | CHRMN.OF BD, PRES. & CEO | 1,161 0.0021% | $133.07 | $154,494 | +24.26% | |
| 2022-11-28 | Sale | Clean Harbors, Inc. CLH | CHRMN.OF BD, PRES. & CEO | 40,000 0.0745% | $120.45 | $4.82M | +21.91% | |
| 2022-03-17 | Sale | Clean Harbors, Inc. CLH | Chrmn.of Bd, Pres. & CEO | 20,176 0.0366% | $109.04 | $2.2M | +3.89% | |
| 2021-09-01 | Sale | Clean Harbors, Inc. CLH | Chrmn.of Bd, Pres. & CEO | 1,152 0.0021% | $102.42 | $117,990 | -3.68% | |
| 2021-08-31 | Sale | Clean Harbors, Inc. CLH | Chrmn.of Bd, Pres. & CEO | 16,800 0.0309% | $102.58 | $1.72M | -2.72% | |
| 2021-08-30 | Sale | Clean Harbors, Inc. CLH | Chrmn.of Bd, Pres. & CEO | 12,048 0.0222% | $102.68 | $1.24M | -2.61% | |
| 2021-08-25 | Sale | Clean Harbors, Inc. CLH | Chrmn.of Bd, Pres. & CEO | 25,000 0.046% | $101.76 | $2.54M | -1.74% | |
| 2020-11-13 | Sale | Clean Harbors, Inc. CLH | Chrmn.of Bd, Pres. & CEO | 19,739 0.0353% | $70.86 | $1.4M | +26.98% | |
| 2020-08-13 | Sale | Clean Harbors, Inc. CLH | Chrmn.of Bd, Pres. & CEO | 15,096 0.0272% | $63.90 | $964,610 | +31.94% | |
| 2020-08-12 | Sale | Clean Harbors, Inc. CLH | Chrmn.of Bd, Pres. & CEO | 16,200 0.0293% | $64.72 | $1.05M | +30.39% | |
| 2020-08-11 | Sale | Clean Harbors, Inc. CLH | Chrmn.of Bd, Pres. & CEO | 41,300 0.0748% | $65.23 | $2.69M | +29.34% |