Robert W. Harrison serves as Executive at CLEAN HARBORS INC, where they oversee executive responsibilities. Since joining the company, Robert W. Harrison has executed 9 insider transactions totaling $20.4K, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 15, 2025 involved selling 16 shares valued at $3.9K.
Robert W. Harrison currently holds 5,785 shares of CLEAN HARBORS INC (CLH), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Robert W. Harrison has been a net seller of CLH stock. They have purchased $0 and sold $20.4K worth of shares.
Robert W. Harrison's most recent insider trade was on Dec 15, 2025, when they sold 16 shares at $240.71 per share.
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| $228.54 |
| Discretionary |
| Mar 15, 2024 | CLH | $5.1K | Payment | 27 | $187.84 | Discretionary |
| Feb 1, 2024 | CLH | $0 | Award | 737 | $N/A | Discretionary |
| Feb 1, 2024 | CLH | $0 | Award | 553 | $N/A | Discretionary |
| Dec 1, 2023 | CLH | $20.4K | Sale | 122 | $166.86 | Discretionary |
| Feb 1, 2023 | CLH | $0 | Award | 1,138 | $N/A | Discretionary |
| Feb 1, 2023 | CLH | $0 | Award | 853 | $N/A | Discretionary |
| Dec 1, 2022 | CLH | $0 | Award | 1,500 | $N/A | Discretionary |