Casella director plans 1,100-share stock sale

A director of Casella Waste Systems, Inc. has filed a Rule 144 notice to sell 1,100 CWST common shares previously received as compensation.

Rhea-AI Filing Summary

Casella Waste Systems, Inc. (CWST) has a notice of proposed sale under Rule 144 filed for shares held for the account of director Michael Burke. A broker plans to sell 1,100 shares of common stock, with an indicated approximate aggregate market value of $105,556, through a registered securities exchange.

The shares to be sold were acquired as Restricted Stock Units granted as compensation in 2012 and 2026. The notice also reports that 1,100 shares of common stock were sold for $102,289.33 during the prior three months.

Key Figures

Shares proposed to be sold: 1,100 shares Approximate aggregate market value of proposed sale: $105,556 Shares sold in past three months: 1,100 shares +3 more

6 metrics

Shares proposed to be sold 1,100 shares Common stock covered by the Rule 144 notice

Approximate aggregate market value of proposed sale $105,556 Value indicated for the 1,100 CWST shares in the Rule 144 section

Shares sold in past three months 1,100 shares Common stock sale reported for August 26, 2026

Proceeds from prior sale $102,289.33 Total consideration for the August 26, 2026 sale of 1,100 shares

RSU-derived shares from 2012 grant 691 shares Shares acquired October 13, 2012 as compensation via Restricted Stock Units

RSU-derived shares from 2026 grant 409 shares Shares acquired June 5, 2026 as compensation via Restricted Stock Units

Key Terms

Rule 144, Restricted Stock Units, aggregate with sales, Common

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Units financial

"Acquired as compensation -- Restricted Stock Units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

aggregate with sales regulatory

"sales are required by paragraph (e) of Rule 144 to be aggregated with sales"

Common financial

"Common | Goldman Sachs & Co. LLC 200 West Street New York NY 10282"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 filing disclose for Casella Waste Systems, Inc. (CWST)?

It discloses that 1,100 shares of CWST common stock held for the account of director Michael Burke are proposed to be sold under Rule 144, with an approximate aggregate market value of $105,556, through a broker on a securities exchange.

Who is the selling security holder in the CWST Form 144 filing?

The shares are being sold for the account of Michael Burke, identified as a director of Casella Waste Systems, Inc., with Goldman Sachs & Co. LLC acting as the broker for the proposed Rule 144 sale.

How many CWST shares are proposed to be sold and at what value?

The notice covers a proposed sale of 1,100 shares of Casella Waste Systems, Inc. common stock, with an indicated approximate aggregate market value of $105,556 in the Rule 144 securities information section.

What is the origin of the CWST shares to be sold under this Form 144?

The 1,100 CWST shares derive from equity awards acquired as Restricted Stock Units granted as compensation, including 691 shares from 2012 grants and 409 shares from 2026 grants, all shown as acquired from the issuer as compensation.

What CWST share sales have occurred in the past three months for this holder?

The filing reports that during the past three months, on August 26, 2026, 1,100 shares of Casella Waste Systems, Inc. common stock were sold for total consideration of $102,289.33.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/03/2026 - 06:00 PM EDT Accepted by SEC EDGAR 09/03/2026 - 05:53 PM EDT Learn about SEC filing dates

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	0001224062
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Casella Waste Systems, Inc.
SEC File Number	000-23211
Address of Issuer	25 Greens Hill Lane Rutland VERMONT 05701
Phone	1-802-775-0325
Name of Person for Whose Account the Securities are To Be Sold	Michael Burke
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	Director

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	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	1100	105556	62651846	09/03/2026	NASD

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	10/13/2012	Acquired as compensation -- Restricted Stock Units	Issuer			691	10/13/2012	Compensation
Common	06/05/2026	Acquired as compensation -- Restricted Stock Units	Issuer			409	06/05/2026	Compensation

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Michael Burke 25 Greens Hill Lane Rutland VT 05701	Common	08/26/2026	1100	102289.33

144: Remarks and Signature

Remarks
Date of Notice	09/03/2026
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	Goldman Sachs & Co. LLC on behalf of Michael Burke
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)