Sharon M. Gabriel - 01 Feb 2026 Form 4 Insider Report for CLEAN HARBORS INC (CLH)

Role
EVP/CIO (CHESI)
Signature
/s/ Sharon M. Gabriel
Issuer symbol
CLH
Transactions as of
01 Feb 2026
Net transactions value
-$132,034
Form type
4
Filing time
03 Feb 2026, 15:33:42 UTC
Previous filing
05 Jan 2026
Next filing
20 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gabriel Sharon M. EVP/CIO (CHESI) 42 LONGWATER DRIVE, NORWELL /s/ Sharon M. Gabriel 03 Feb 2026 0001756568

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CLH Common Stock Tax liability $132,034 -508 -1.9% $259.91 26,733 02 Feb 2026 Direct F1
transaction CLH Common Stock Award $0 +2,073 +7.8% $0.000000 28,806 01 Feb 2026 Direct F2
transaction CLH Common Stock Award $0 +566 +2% $0.000000 29,372 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.