CLEAN HARBORS INC — Director's Dealing 2026

Mar 17, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CLEAN HARBORS INC (CLH)
CIK: 0000822818
Period of Report: 2026-03-13

Reporting Person: Battles Michael Louis (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-13	Common Stock	F	1148	$288.93	Disposed	97538	Direct
2026-03-13	Common Stock	D	2166	—	Disposed	95387	Direct

Footnotes

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

F2: Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program.

F3: Includes 15 shares acquired under the Clean Harbors Employee Stock Purchase Plan.