[Form 4] CASELLA WASTE SYSTEMS INC Insider Trading Activity

Rhea-AI Filing Summary

CASELLA DOUGLAS R reported acquisition or exercise transactions in this Form 4 filing.

Casella Waste Systems director and vice chairman Douglas R. Casella received an equity grant in the form of restricted stock units (RSUs). He was awarded 1,793 RSUs of Class A Common Stock at a reference price of $83.65 per share, increasing his direct Class A holdings to 106,641 shares. The RSUs will vest in full on June 4, 2027, meaning he must remain in service until that date to receive the underlying shares. The filing also lists existing holdings of Class B Common Stock held directly and indirectly through a spousal trust, a second Spousal Lifetime Access Trust (SLAT 2), and his spouse, with certain interests disclaimed where he does not have a full pecuniary interest. These holding entries do not show new market purchases or sales.

Insider Trade Summary

5 transactions reported

Mixed 5 txns

Insider CASELLA DOUGLAS R

Role VICE CHAIRMAN, BD OF DIRECTORS

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

Holdings After Transaction: Class A Common Stock — 106,641 shares (Direct, null); Class B Common Stock — 129,000 shares (Direct, null); Class B Common Stock — 171,000 shares (Indirect, By SLAT)

Footnotes (1)

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. Held by the Spousal Lifetime Access Trust for the benefit of Mr. Casella's spouse ("SLAT"). Mr. Casella's spouse is the trustee of the SLAT. Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities. Held by the Spousal Lifetime Access Trust for the benefit of Mr. Casella ("SLAT 2"). Mr. Casella is the trustee of SLAT 2. Held by Mr. Casella's spouse. Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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^*

CASELLA DOUGLAS R

(Last) (First) (Middle)

C/O CASELLA WASTE SYSTEMS, INC.

25 GREENS HILL LANE

(Street)

RUTLAND VERMONT 05702

(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
X	Officer (give title below)		Other (specify below)
	VICE CHAIRMAN, BD OF DIRECTORS

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	106,641	D
Class B Common Stock								129,000	D
Class B Common Stock								171,000	I	By SLAT(2)
Class B Common Stock								170,000	I	By SLAT 2(3)
Class B Common Stock								24,100	I	By Spouse(4)

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.

2. Held by the Spousal Lifetime Access Trust for the benefit of Mr. Casella's spouse ("SLAT"). Mr. Casella's spouse is the trustee of the SLAT. Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities.

3. Held by the Spousal Lifetime Access Trust for the benefit of Mr. Casella ("SLAT 2"). Mr. Casella is the trustee of SLAT 2.

4. Held by Mr. Casella's spouse. Mr. Casella disclaims beneficial ownership of the securities indicated to the extent to which he does not have an actual pecuniary interest in such securities.

Remarks:

	/s/ Douglas R. Casella	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)