John R. Welch - 17 Dec 2025 Form 4 Insider Report for CLEAN HARBORS INC (CLH)

Role
Director
Signature
/s/ John R. Welch
Issuer symbol
CLH
Transactions as of
17 Dec 2025
Net transactions value
$0
Form type
4
Filing time
29 Dec 2025, 15:54:18 UTC
Previous filing
29 May 2025
Next filing
20 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Welch John R. Director 975 MEMORIAL DRIVE, APT 611, CAMBRIDGE /s/ John R. Welch 29 Dec 2025 0001611303

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CLH Common Stock Gift $0 -415 -3.6% $0.000000 10,987 17 Dec 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Charitable Gift.