CLEAN HARBORS (CLH) CFO Eric Dugas sells 2,788 shares at $281.31

Rhea-AI Filing Summary

CLEAN HARBORS INC executive Eric J. Dugas, the EVP and Chief Financial Officer, sold Common Stock in an open-market transaction. He sold 2,788 shares at a price of $281.31 per share on February 20, 2026. After this sale, he directly owned 15,933 shares of CLEAN HARBORS INC common stock.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Dugas Eric J.

(Last) (First) (Middle)

C/O CLEAN HARBORS, INC.

42 LONGWATER DRIVE

(Street)

NORWELL MA 02061

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CLEAN HARBORS INC [ CLH ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP CHIEF FINANCIAL OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/20/2026		S		2,788	D	$281.31	15,933	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Eric J. Dugas	02/20/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did CLEAN HARBORS INC (CLH) report for Eric J. Dugas?

CLEAN HARBORS INC reported that EVP and Chief Financial Officer Eric J. Dugas sold 2,788 shares of Common Stock in an open-market transaction. The sale was recorded at a price of $281.31 per share on February 20, 2026.

How many CLEAN HARBORS INC (CLH) shares did Eric J. Dugas sell and at what price?

Eric J. Dugas sold 2,788 shares of CLEAN HARBORS INC Common Stock at $281.31 per share. This was an open-market sale, meaning the shares were sold through regular market trading rather than a private or negotiated transaction.

How many CLEAN HARBORS INC (CLH) shares does Eric J. Dugas hold after the sale?

After the reported sale, Eric J. Dugas directly owns 15,933 shares of CLEAN HARBORS INC Common Stock. This post-transaction holding reflects his remaining direct equity position following the open-market sale of 2,788 shares on February 20, 2026.

What role does Eric J. Dugas hold at CLEAN HARBORS INC (CLH)?

Eric J. Dugas serves as Executive Vice President and Chief Financial Officer at CLEAN HARBORS INC. His Form 4 filing reflects a personal open-market sale of company Common Stock, providing transparency into transactions by a senior financial officer.

Was the CLEAN HARBORS INC (CLH) insider transaction a buy or a sell?

The transaction reported for CLEAN HARBORS INC was a sale of shares. Eric J. Dugas executed an open-market sale of 2,788 shares of Common Stock at $281.31 per share, as reflected by the transaction code “S” and sell designation.