Insider sale notice: CLH (NYSE: CLH) lists restricted stock lots for sale

Rhea-AI Filing Summary

CLH reported a proposed sale under Form 144 of restricted common stock to be handled through Morgan Stanley Smith Barney LLC. The filing lists multiple restricted-share lots with example amounts, including 1,022 shares dated 03/15/2026 and 1,430 shares dated 02/01/2026.

The broker is shown as Morgan Stanley Smith Barney LLC and the filing references NYSE with an entry dated 03/17/2026. The excerpt lists additional restricted-share lots (1,129; 79; 1,023) with their grant dates. This notice reports proposed insider sales; timing and total aggregate amount are not stated in the provided excerpt.

Insights

Securities Compliance Analyst

Routine insider sale notice listing restricted-share lots via a broker.

The filing is a Form 144 notice indicating proposed dispositions of restricted common stock through Morgan Stanley Smith Barney LLC. The excerpt enumerates multiple restricted-share lots with grant dates and per-lot counts such as 1,022 and 1,430.

Because the excerpt does not state an aggregate registered amount or explicit sale timing, the practical market impact depends on subsequent transactions and aggregated quantities disclosed in later filings.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	4683	1373921.96	52910946	03/17/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/15/2026	Restricted Stock	Issuer			1022	03/15/2026	Not Applicable
Common	02/01/2026	Restricted Stock	Issuer			1430	02/01/2026	Not Applicable
Common	02/19/2025	Restricted Stock	Issuer			1129	02/19/2025	Not Applicable
Common	07/01/2025	Restricted Stock	Issuer			79	07/01/2025	Not Applicable
Common	03/15/2025	Restricted Stock	Issuer			1023	03/15/2025	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does CLH's Form 144 disclose?

The Form 144 lists proposed sales of restricted common stock through Morgan Stanley Smith Barney LLC. The excerpt shows per-lot counts including 1,022 and 1,430 shares with grant dates in 2025–2026.

Who is the broker handling the proposed sale for CLH?

The filing names Morgan Stanley Smith Barney LLC as the broker. The excerpt includes an address and references NYSE handling and a date of 03/17/2026 in the listing.

Does the Form 144 state the total number of shares being sold?

The provided excerpt enumerates multiple restricted-share lots but does not state a clear aggregate or registered total. It lists example lot sizes such as 1,022 and 1,430 shares.

Are the listed shares restricted or unrestricted?

The entries in the excerpt are labeled as Restricted Stock with specific grant dates (for example, 03/15/2026 and 02/01/2026), indicating they are restricted lots being disclosed for proposed sale.

Does the Form 144 indicate when sales will occur?

The excerpt shows grant dates and a broker/date reference but does not provide explicit sale execution dates or aggregate timing. Subsequent filings would disclose completed transactions.