Harrison Robert W. - Insider Non-Derivative Transactions at CLEAN HARBORS INC (CLH) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 15, 2025, Harrison Robert W.'s relationship to CLEAN HARBORS INC (CLH) is Officer (EVP, EHS), and currently has 5,785 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other CLH insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Harrison Robert W. - Insider Non-Derivative Transactions of CLH Common Stock

Harrison Robert W. - Insider Non-Derivative Transactions at CLH

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 16, 2025	F -- (Common Stock)	16	240.71	5785
Dec 2, 2025	F -- (Common Stock)	122	228.54	5801
Mar 18, 2025	F -- (Common Stock)	35	192.9	5923
Feb 2, 2025	Acquisition -- (Common Stock)	443	0	4925
Feb 2, 2025	Acquisition -- (Common Stock)	1033	0	5958
Dec 16, 2024	F -- (Common Stock)	28	244.28	4482
Dec 2, 2024	F -- (Common Stock)	122	260.09	4510
Mar 16, 2024	F -- (Common Stock)	27	187.84	4632
Feb 2, 2024	Acquisition -- (Common Stock)	553	0	3922
Feb 2, 2024	Acquisition -- (Common Stock)	737	0	4659
Dec 2, 2023	Sell -- (Common Stock)	122	166.86	3369
Feb 2, 2023	Acquisition -- (Common Stock)	853	0	2353
Feb 2, 2023	Acquisition -- (Common Stock)	1138	0	3491