Brian P. Weber - Feb 1, 2025 Form 4/A - Amendment Insider Report for CLEAN HARBORS INC (CLH)

Role: EVP (CHESI)
Signature: /s/ Brian P. Weber
Stock symbol: CLH
Transactions as of: Feb 1, 2025
Transactions value $: -$246,514
Form type: 4/A - Amendment
Date filed: 3/18/2025, 04:09 PM
Date Of Original Report: Feb 4, 2025
Previous filing: Nov 27, 2024
Next filing: Apr 2, 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CLH	Common Stock	Award	$0	+1.09K	+1.83%	$0.00	60.4K	Feb 1, 2025	Direct	F1
transaction	CLH	Common Stock	Award	$0	+3.26K	+5.39%	$0.00	63.7K	Feb 1, 2025	Direct	F2
transaction	CLH	Common Stock	Tax liability	-$247K	-1.06K	-1.66%	$233.00	62.6K	Feb 1, 2025	Direct	F3, F4

Showing 1 to 3 of 3 entries

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted Stock Award vesting as to 25% on February 1, 2026; 25% on February 1, 2027; 25% on February 1, 2028; and 25% on February 1, 2029.
F2	Performance-Based Restricted Stock Award that will vest 50% on 3/15/2027 and 50% on 3/15/2028, depending on achievement of certain goals during the performance period 1/1/2026 through 12/31/2026.
F3	Payment of tax liability by withholding of securities incident to vesting securities in accordance with Rule 16b-3.
F4	Item 4, Securities Acquired (A) or Disposed (D), decreased to correct an administrative error.