CLEAN HARBORS INC — Director's Dealing 2025

Mar 18, 2025

SEC Form 4/A — Form 4/A

Issuer: CLEAN HARBORS INC (CLH)
CIK: 0000822818
Period of Report: 2025-02-01

Reporting Person: Battles Michael Louis (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-01	Common Stock	A	11059	—	Acquired	87389	Direct
2025-02-01	Common Stock	A	5325	—	Acquired	92714	Direct
2025-02-01	Common Stock	F	4407	$233	Disposed	88322	Direct

Footnotes

F1: Restricted Stock Award vesting as to 25% on February 1, 2026; 25% on February 1, 2027; 25% on February 1, 2028; and 25% on February 1, 2029.

F2: Amount of Securities Beneficially Owned updated to reflect Form 4 filed on February 11, 2025, reporting a transaction (payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b-3) that occurred on November 1, 2024.

F3: Performance-Based Restricted Stock Award that will vest 50% on 3/15/2027 and 50% on 3/15/2028, depending on achievement of certain goals during the performance period 1/1/2026 through 12/31/2026.

F4: Item 4, Securities Acquired (A) or Disposed (D), decreased to correct an administrative error.

F5: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b-3.

F6: Includes 15 shares acquired under the Clean Harbors Employee Stock Purchase plan 12/31/2024.