Eric J. Dugas - 01 Feb 2026 Form 4 Insider Report for CLEAN HARBORS INC (CLH)

Role
EVP CHIEF FINANCIAL OFFICER
Signature
/s/ Eric J. Dugas
Issuer symbol
CLH
Transactions as of
01 Feb 2026
Net transactions value
-$147,369
Form type
4
Filing time
03 Feb 2026, 15:32:29 UTC
Previous filing
03 Jul 2025
Next filing
20 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Dugas Eric J. EVP CHIEF FINANCIAL OFFICER C/O CLEAN HARBORS, INC., 42 LONGWATER DRIVE, NORWELL /s/ Eric J. Dugas 03 Feb 2026 0001663307

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CLH Common Stock Tax liability $147,369 -567 -2.9% $259.91 18,721 02 Feb 2026 Direct F1
transaction CLH Common Stock Award $0 +3,066 +16% $0.000000 21,787 01 Feb 2026 Direct F2
transaction CLH Common Stock Award $0 +1,022 +4.7% $0.000000 22,809 01 Feb 2026 Direct F3
* 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.
F2 Performance-Based Restricted Stock Award that will vest 50% on 3/15/2028 and 50% on 3/15/2029, depending on achievement of certain goals during the performance period 1/1/2027 through 12/31/2027
F3 Restricted Stock Award vesting as to 25% on February 1, 2027; 25% on February 1, 2028; 25% on February 1, 2029; and 25% on February 1, 2030.