Casella director awarded 1,793 RSUs

BURKE MICHAEL K reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

BURKE MICHAEL K reported acquisition or exercise transactions in this Form 4 filing.

Casella Waste Systems director Michael K. Burke received an equity award of 1,793 restricted stock units (RSUs) tied to the company’s Class A Common Stock, valued at $83.65 per share. The RSUs were granted under the Amended and Restated 2016 Incentive Plan and will vest in full on June 4, 2027, if conditions are met. Following this grant, Burke holds 15,841 shares directly, reflecting routine, stock-based compensation rather than an open-market purchase.

Insider Trade Summary

Grant/Award: 1,793 shares

Grant/Award 1 txn

Insider BURKE MICHAEL K

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	1,793	$83.65	$150K

Holdings After Transaction: Class A Common Stock — 15,841 shares (Direct)

Footnotes (1)

1. F1. Represents the award of restricted stock units (RSUs) under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan. Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock. The RSUs will vest in full on June 4, 2027.

Key Figures

RSUs granted: 1,793 units Grant value per share: $83.65 per share Shares after transaction: 15,841 shares +1 more

4 metrics

RSUs granted 1,793 units Equity award to director Michael K. Burke

Grant value per share $83.65 per share Reported value of RSU award

Shares after transaction 15,841 shares Direct holdings following RSU grant

RSU vesting date June 4, 2027 Full vesting of RSU award

Key Terms

restricted stock units (RSUs), Amended and Restated 2016 Incentive Plan, Class A Common Stock

3 terms

restricted stock units (RSUs) financial

"Represents the award of restricted stock units (RSUs) under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan."

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

Amended and Restated 2016 Incentive Plan financial

"Represents the award of restricted stock units (RSUs) under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan."

Class A Common Stock financial

"Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock."

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

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

What insider transaction did Casella Waste Systems (CWST) report for Michael K. Burke?

Casella Waste Systems reported that director Michael K. Burke received a grant of 1,793 restricted stock units. These RSUs are a form of stock-based compensation and each represents the right to receive one share of Class A Common Stock upon vesting.

At what price were Michael K. Burke’s RSUs valued in the CWST Form 4 filing?

The 1,793 RSUs granted to Michael K. Burke were valued at $83.65 per share. This price is used for reporting the grant’s value and does not represent an open-market purchase or sale of Casella Waste Systems stock.

When will Michael K. Burke’s Casella (CWST) RSU grant vest?

The RSU award to Michael K. Burke will vest in full on June 4, 2027. Vesting means he will then be entitled to receive one share of Casella’s Class A Common Stock for each RSU, subject to the plan’s terms and any service conditions.

How many Casella Waste Systems shares does Michael K. Burke hold after this RSU grant?

After the reported RSU grant, Michael K. Burke holds 15,841 shares of Casella Waste Systems Class A Common Stock directly. This figure reflects his position following the award and gives context to the size of the compensation-related grant.

Is Michael K. Burke’s CWST Form 4 transaction a stock purchase or compensation grant?

The filing shows a compensation grant, not an open-market stock purchase. Michael K. Burke received 1,793 restricted stock units under Casella’s 2016 Incentive Plan as part of his director compensation, rather than buying shares in the market.

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

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Accepted by SEC EDGAR 06/05/2026 - 04:03 PM Learn about SEC filing dates

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^*

BURKE MICHAEL K

(Last) (First) (Middle)

C/O CASELLA WASTE SYSTEMS, INC.

25 GREENS HILL LANE

(Street)

RUTLAND VERMONT 05701

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CASELLA WASTE SYSTEMS INC [ CWST ]

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)
06/04/2026

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
Class A Common Stock	06/04/2026		A		1,793(1)	A	$83.65	15,841	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:

1. Represents the award of restricted stock units (RSUs) under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan. Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock. The RSUs will vest in full on June 4, 2027.

Remarks:

	/s/ Shelley E. Sayward, Attorney in Fact for Michael K. Burke	06/05/2026
	** 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)