Clean Harbors (CLH) director Lauren States sells 789 shares in open-market trade

Rhea-AI Filing Summary

CLEAN HARBORS INC director Lauren States reported an open-market sale of Common Stock. On May 26, 2026, she sold 789 shares at $286.19 per share. After this transaction, she directly holds 11,359 shares of Clean Harbors common stock.

Insider Trade Summary

Net Seller: 789 shares ($225,804)

Net Sell 1 txn

Insider States Lauren

Role null

Sold 789 shs ($226K)

Type	Security	Shares	Price	Value
Sale	Common Stock	789	$286.19	$226K

Holdings After Transaction: Common Stock — 11,359 shares (Direct, null)

Footnotes (1)

Key Figures

Shares sold: 789 shares Sale price: $286.19 per share Shares held after transaction: 11,359 shares

3 metrics

Shares sold 789 shares Open-market sale of Common Stock on May 26, 2026

Sale price $286.19 per share Price for the 789-share sale

Shares held after transaction 11,359 shares Direct holdings following the reported sale

Key Terms

open-market sale, Common Stock, Form 4, transaction code "S"

4 terms

open-market sale financial

"transaction_action: "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

transaction code "S" financial

"transaction_code_description: "Sale in open market or private transaction""

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Form 4 Insider Transactions: What Each Field Means →

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
Estimated average burden
hours per response:			0.5

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^*

States Lauren

(Last) (First) (Middle)

16 WILMONT AVENUE

(Street)

WHITE PLAINS NEW YORK 10605

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/26/2026

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

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

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

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	05/26/2026		S		789	D	$286.19	11,359	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/ Lauren States	05/27/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did CLEAN HARBORS INC (CLH) disclose for Lauren States?

CLEAN HARBORS INC disclosed that director Lauren States executed an open-market sale of 789 shares of Common Stock on May 26, 2026. The reported sale price was $286.19 per share and reflects a routine director transaction.

How many CLEAN HARBORS INC (CLH) shares did Lauren States sell and at what price?

Director Lauren States sold 789 shares of CLEAN HARBORS INC Common Stock at $286.19 per share. This reported transaction was categorized as an open-market sale, meaning the shares were sold on the public market or through a private transaction at that price.

How many CLEAN HARBORS INC (CLH) shares does Lauren States hold after the Form 4 transaction?

Following the reported sale, director Lauren States directly holds 11,359 shares of CLEAN HARBORS INC Common Stock. This post-transaction holding figure is disclosed in the Form 4 and shows her remaining direct equity stake after the 789-share sale.

What type of transaction was reported in the CLEAN HARBORS INC (CLH) Form 4?

The Form 4 shows an open-market sale of CLEAN HARBORS INC Common Stock by director Lauren States. The transaction code was “S”, described as a sale in the open market or a private transaction, with no derivative securities involved in this filing.

Did the CLEAN HARBORS INC (CLH) Form 4 include any derivative security exercises?

No derivative security exercises were reported in this Form 4 for CLEAN HARBORS INC. The filing lists only a non-derivative Common Stock sale of 789 shares by director Lauren States, and the derivativeSummary section of the data is empty for this transaction.