Casella Waste Systems (NASDAQ: CWST) director receives 1,793 RSUs as equity award

Q: What did William P. Hulligan report in his CWST Form 4 filing?

Hulligan reported receiving an award of 1,793 restricted stock units tied to Casella Waste Systems Class A Common Stock. The award is part of the company’s 2016 Incentive Plan and constitutes stock-based director compensation rather than an open-market share purchase.

Q: Is the CWST Form 4 transaction an open-market buy or a stock grant?

The Form 4 shows a grant/award acquisition , not an open-market purchase. Hulligan received 1,793 restricted stock units as equity compensation under Casella’s incentive plan, so no discretionary buying or selling decision in the open market is reflected here.

Q: When do William P. Hulligan’s 1,793 CWST restricted stock units vest?

The 1,793 RSUs will vest in full on June 4, 2027 . Each vested RSU converts into one share of Casella’s Class A Common Stock, assuming applicable vesting conditions are satisfied through that date under the company’s incentive plan.

Q: How many Casella Waste Systems shares does Hulligan hold after this Form 4?

After the reported transaction, Hulligan directly holds 8,161 shares of Casella Waste Systems Class A Common Stock. This figure reflects his position following the RSU award reported in the filing and gives context to the size of the new grant.

Q: What plan governs Hulligan’s CWST restricted stock unit award?

The RSU award was granted under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan . This plan allows the company to deliver stock-based compensation, such as restricted stock units, to directors and other eligible participants to align incentives with shareholders.

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

HULLIGAN WILLIAM P reported acquisition or exercise transactions in this Form 4 filing.

Casella Waste Systems director William P. Hulligan received an equity award rather than buying shares on the market. He was granted 1,793 shares of Class A Common Stock as restricted stock units at a reference price of $83.65 per share.

Each RSU represents the right to receive one share of Casella’s Class A Common Stock, and the RSUs will vest in full on June 4, 2027, if conditions are met. Following this award, Hulligan holds 8,161 shares directly, reflecting routine director compensation in stock-based form.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider HULLIGAN WILLIAM P

Role null

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

Holdings After Transaction: Class A Common Stock — 8,161 shares (Direct, null)

Footnotes (1)

[object Object]

Key Figures

RSU grant size: 1,793 units Grant reference price: $83.65 per share Shares after transaction: 8,161 shares +1 more

4 metrics

RSU grant size 1,793 units Restricted stock units representing Class A Common Stock

Grant reference price $83.65 per share Price per share used in the RSU grant disclosure

Shares after transaction 8,161 shares Direct Class A Common Stock holdings following the award

RSU vesting date June 4, 2027 Full vesting date for the 1,793 RSUs

Key Terms

restricted stock units (RSUs), Amended and Restated 2016 Incentive Plan, Class A Common Stock, Grant, award, or other acquisition

4 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

"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.

Grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

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Form 4 Insider Transactions: What Each Field Means →

06/05/2026 - 04:02 PM

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^*

HULLIGAN WILLIAM P

(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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	06/04/2026		A		1,793⁽¹⁾	A	$83.65	8,161	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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 William P. Hulligan	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)

Source: View Original Filing on SEC EDGAR

FAQ

What did William P. Hulligan report in his CWST Form 4 filing?

Hulligan reported receiving an award of 1,793 restricted stock units tied to Casella Waste Systems Class A Common Stock. The award is part of the company’s 2016 Incentive Plan and constitutes stock-based director compensation rather than an open-market share purchase.

Is the CWST Form 4 transaction an open-market buy or a stock grant?

The Form 4 shows a grant/award acquisition, not an open-market purchase. Hulligan received 1,793 restricted stock units as equity compensation under Casella’s incentive plan, so no discretionary buying or selling decision in the open market is reflected here.

When do William P. Hulligan’s 1,793 CWST restricted stock units vest?

The 1,793 RSUs will vest in full on June 4, 2027. Each vested RSU converts into one share of Casella’s Class A Common Stock, assuming applicable vesting conditions are satisfied through that date under the company’s incentive plan.

How many Casella Waste Systems shares does Hulligan hold after this Form 4?

After the reported transaction, Hulligan directly holds 8,161 shares of Casella Waste Systems Class A Common Stock. This figure reflects his position following the RSU award reported in the filing and gives context to the size of the new grant.

What plan governs Hulligan’s CWST restricted stock unit award?

The RSU award was granted under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan. This plan allows the company to deliver stock-based compensation, such as restricted stock units, to directors and other eligible participants to align incentives with shareholders.