George L. Curtis - 02 Feb 2026 Form 4 Insider Report for CLEAN HARBORS INC (CLH)

Role
EXEC. VICE PRESIDENT (CHESI)
Signature
/s/ George L. Curtis
Issuer symbol
CLH
Transactions as of
02 Feb 2026
Net transactions value
-$64,718
Form type
4
Filing time
03 Feb 2026, 15:30:30 UTC
Previous filing
11 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
CURTIS GEORGE L EXEC. VICE PRESIDENT (CHESI) C/O CLEAN HARBORS, INC., 42 LONGWATER DRIVE, NORWELL /s/ George L. Curtis 03 Feb 2026 0001216581

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CLH Common Stock Tax liability $64,718 -249 -0.52% $259.91 47,415 02 Feb 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.