Casella Waste vice chair gifts 146K Class B shares

CASELLA WASTE SYSTEMS INC vice chairman and director Douglas R. Casella reported a series of bona fide gifts of Class B Common Stock.

Rhea-AI Filing Summary

CASELLA WASTE SYSTEMS INC vice chairman and director Douglas R. Casella reported a series of bona fide gifts of Class B Common Stock. On March 17–18, 2026, he gifted a total of 146,000 Class B shares through multiple transfers classified as gift dispositions.

These include gifts to a Spousal Lifetime Access Trust (SLAT 2) for his benefit, to a separate SLAT for the benefit of his spouse, and to his spouse directly. Following these transactions, reported holdings include 129,000 Class B shares held directly, 177,000 Class B shares held indirectly by SLAT 2, 24,100 Class B shares held by his spouse, and 164,000 Class B shares held by the SLAT for his spouse. He also reports 104,848 Class A shares held directly as of March 17, 2026.

Insider Trade Summary

146,000 shares gifted

Gift 5 txns

Insider CASELLA DOUGLAS R

Role VICE CHAIRMAN, BD OF DIRECTORS

Type	Security	Shares	Price	Value
Gift	Class B Common Stock	40,000	$0.00	$0.00
Gift	Class B Common Stock	40,000	$0.00	$0.00
Gift	Class B Common Stock	33,000	$0.00	$0.00
Gift	Class B Common Stock	33,000	$0.00	$0.00
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class B Common Stock — 129,000 shares (Direct); Class B Common Stock — 177,000 shares (Indirect, By SLAT 2); Class B Common Stock — 24,100 shares (Indirect, By Spouse); Class B Common Stock — 164,000 shares (Indirect, By SLAT); Class A Common Stock — 104,848 shares (Direct)

Footnotes (5)

1. F1. Represents a gift of shares to the Spousal Lifetime Access Trust ("SLAT 2") for the benefit of Mr. Casella. Mr. Casella's spouse is the trustee of the SLAT 2.
2. F2. Held by the SLAT 2 for the benefit of Mr. Casella. Mr. Casella's spouse is the trustee of the SLAT 2. The trustee of SLAT 2 was incorrectly identified in prior filings as Mr. Casella.
3. F3. Represents a gift of shares to the Spousal Lifetime Access Trust ("SLAT") for the benefit of Mr. Casella's spouse. Mr. Casella is the trustee of the SLAT.
4. F4. 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.
5. F5. Held by the SLAT for the benefit of Mr. Casella's spouse. Mr. Casella is the trustee of the SLAT. The trustee of the SLAT was incorrectly identified in prior filings as 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.

FAQ

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What insider transactions did Douglas R. Casella report for CWST?

Douglas R. Casella reported bona fide gifts of 146,000 shares of Class B Common Stock. These gifts on March 17–18, 2026 were non-cash transfers to family-related trusts and his spouse, rather than open-market purchases or sales.

How many Casella Waste (CWST) shares were gifted in this Form 4?

The Form 4 shows gifts totaling 146,000 shares of Class B Common Stock. These gifts were split into four transactions, each reported under transaction code G, which the filing describes as a bona fide gift rather than a sale at any price.

Who received the gifted CWST Class B shares from Douglas Casella?

The gifted shares went to two Spousal Lifetime Access Trusts (SLAT and SLAT 2) and to Mr. Casella’s spouse. SLAT 2 is for his benefit with his spouse as trustee, while the other SLAT benefits his spouse, with Mr. Casella serving as trustee.

What CWST holdings remain after the reported gifts?

After the gifts, reported positions include 129,000 Class B shares held directly, 177,000 Class B shares held indirectly by SLAT 2, 24,100 Class B shares held by his spouse, 164,000 Class B shares held by the SLAT, and 104,848 Class A shares held directly as of March 17, 2026.

Are these CWST Form 4 transactions open-market sales or routine gifts?

The transactions are routine gifts, not open-market sales. Each is coded G and described as a bona fide gift, with a reported price per share of $0.00, reflecting non-cash transfers to trusts and a spouse rather than trades executed on the market.

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Accepted by SEC EDGAR 03/24/2026 - 04:29 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^*

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)
03/17/2026

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								104,848	D
Class B Common Stock	03/18/2026		G(1)		40,000	D	$0	129,000	D
Class B Common Stock	03/18/2026		G(1)		40,000	A	$0	177,000	I	By SLAT 2(2)
Class B Common Stock	03/17/2026		G(3)		33,000	D	$0	24,100	I	By Spouse(4)
Class B Common Stock	03/17/2026		G(3)		33,000	A	$0	164,000	I	By SLAT(5)

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 a gift of shares to the Spousal Lifetime Access Trust ("SLAT 2") for the benefit of Mr. Casella. Mr. Casella's spouse is the trustee of the SLAT 2.

2. Held by the SLAT 2 for the benefit of Mr. Casella. Mr. Casella's spouse is the trustee of the SLAT 2. The trustee of SLAT 2 was incorrectly identified in prior filings as Mr. Casella.

3. Represents a gift of shares to the Spousal Lifetime Access Trust ("SLAT") for the benefit of Mr. Casella's spouse. Mr. Casella is the trustee of the SLAT.

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.

5. Held by the SLAT for the benefit of Mr. Casella's spouse. Mr. Casella is the trustee of the SLAT. The trustee of the SLAT was incorrectly identified in prior filings as 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	03/24/2026
	** 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)