Douglas Casella (CWST) updates 73,000-share Class B gifts to family SLAT trusts

Rhea-AI Filing Summary

Casella Waste Systems director and vice chairman Douglas R. Casella reported amended gift transfers of Class B Common Stock involving family trusts. On March 18, 2026, 40,000 shares were given to a Spousal Lifetime Access Trust for the benefit of his spouse, and on March 17, 2026, 33,000 shares were given to a separate Spousal Lifetime Access Trust where he serves as trustee.

Both transactions are coded as bona fide gifts with no sale proceeds and are reported as indirect holdings through the respective trusts. The amendment corrects which trust received each gift and updates the share amounts beneficially owned by each trust following the original transactions.

Insights

Insider transactions analyst

Amended trust gifts, no market trades or cash proceeds.

The filing shows two amended Form 4 entries for Douglas R. Casella involving Class B Common Stock of Casella Waste Systems. The transactions are coded as bona fide gifts to two Spousal Lifetime Access Trusts, not open-market sales or purchases.

The amendment clarifies which trust received each block of shares and the resulting beneficial ownership in each vehicle. Because these are non-cash, estate-planning-oriented transfers rather than market trades, they carry limited signaling value about the insider’s view of the stock.

Future company filings may further detail overall ownership structure across direct and indirect holdings, but this amendment itself primarily cleans up prior trust attribution and share counts without changing economic proceeds from the earlier gifts.

Insider Trade Summary

73,000 shares gifted

Mixed 2 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	--
Gift	Class B Common Stock	33,000	$0.00	--

Holdings After Transaction: Class B Common Stock — 171,000 shares (Indirect, By SLAT)

Footnotes (1)

1. Represents a gift of shares to the Spousal Lifetime Access Trust for the benefit of Mr. Casella's spouse ("SLAT"). Mr. Casella's spouse is the trustee of the SLAT. The original Form 4 filed on March 24, 2026 (the "Original Form 4") incorrectly reported the gift as a transfer of the shares to the Spousal Lifetime Access Trust for the benefit of Mr. Casella ("SLAT 2"). This amendment reflects the transfer of the shares to the SLAT and the correct amount of securities beneficially owned by the SLAT following the transaction reported in the Original Form 4. Held by the 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. Represents a gift of shares to the SLAT 2. Mr. Casella is the trustee of the SLAT 2. The Original Form 4 incorrectly reported the gift as a transfer of the shares to the SLAT. This amendment reflects the transfer of the shares to the SLAT 2 and the correct amount of securities beneficially owned by the SLAT 2 following the transaction reported in the Original Form 4. Held by the SLAT 2. Mr. Casella is the trustee of SLAT 2.

Key Figures

Gift to SLAT: 40,000 shares Gift to SLAT 2: 33,000 shares Total gifted shares: 73,000 shares +2 more

5 metrics

Gift to SLAT 40,000 shares Class B Common Stock gifted on March 18, 2026

Gift to SLAT 2 33,000 shares Class B Common Stock gifted on March 17, 2026

Total gifted shares 73,000 shares Aggregate bona fide gifts in this amendment

SLAT holding after gift 171,000 shares Class B Common Stock held by SLAT after corrected transaction

SLAT 2 holding after gift 170,000 shares Class B Common Stock held by SLAT 2 after corrected transaction

Key Terms

bona fide gift, Spousal Lifetime Access Trust, SLAT, beneficial ownership, +1 more

5 terms

bona fide gift financial

"transaction_code_description: "Bona fide gift""

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

Spousal Lifetime Access Trust financial

"Represents a gift of shares to the Spousal Lifetime Access Trust for the benefit of Mr. Casella's spouse"

SLAT financial

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

beneficial ownership financial

"correct amount of securities beneficially owned by the SLAT following the transaction"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

indirect ownership financial

"Held by the SLAT. Mr. Casella's spouse is the trustee of the SLAT."

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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)
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)
03/24/2026

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 B Common Stock	03/18/2026		G(1)		40,000	A	$0	171,000	I	By SLAT(2)
Class B Common Stock	03/17/2026		G(3)		33,000	A	$0	170,000	I	By SLAT 2(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 a gift of shares to the Spousal Lifetime Access Trust for the benefit of Mr. Casella's spouse ("SLAT"). Mr. Casella's spouse is the trustee of the SLAT. The original Form 4 filed on March 24, 2026 (the "Original Form 4") incorrectly reported the gift as a transfer of the shares to the Spousal Lifetime Access Trust for the benefit of Mr. Casella ("SLAT 2"). This amendment reflects the transfer of the shares to the SLAT and the correct amount of securities beneficially owned by the SLAT following the transaction reported in the Original Form 4.

2. Held by the 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. Represents a gift of shares to the SLAT 2. Mr. Casella is the trustee of the SLAT 2. The Original Form 4 incorrectly reported the gift as a transfer of the shares to the SLAT. This amendment reflects the transfer of the shares to the SLAT 2 and the correct amount of securities beneficially owned by the SLAT 2 following the transaction reported in the Original Form 4.

4. Held by the SLAT 2. Mr. Casella is the trustee of SLAT 2.

Remarks:

	/s/ Douglas R. Casella	06/04/2026
	** 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)

FAQ

What insider transactions did Douglas R. Casella report in this amended CWST Form 4?

The amended Form 4 reports two bona fide gifts of CWST Class B Common Stock, totaling 73,000 shares, transferred to two Spousal Lifetime Access Trusts on March 17 and 18, 2026. These are non-cash gifts rather than open-market trades.

How many CWST shares were gifted in each transaction in this Form 4/A?

One transaction reports a 40,000-share gift on March 18, 2026 to a Spousal Lifetime Access Trust for Mr. Casella’s spouse. The other reports a 33,000-share gift on March 17, 2026 to a separate Spousal Lifetime Access Trust where he is trustee.

Were the CWST insider transactions by Douglas R. Casella open-market sales or purchases?

No, both transactions are coded as G (bona fide gift), meaning they are non-cash transfers of Class B Common Stock to family trusts. They do not represent open-market sales or purchases and therefore provide limited direct price-signaling information.

What ownership structure is disclosed for the gifted CWST shares?

The filing shows shares are held indirectly through two Spousal Lifetime Access Trusts. One trust is for the benefit of Mr. Casella’s spouse, who serves as trustee, and the other, SLAT 2, lists Mr. Casella as trustee, reflecting indirect beneficial ownership through these entities.

Why was this CWST Form 4 amended for Douglas R. Casella?

The amendment corrects which Spousal Lifetime Access Trust received each gift and updates the number of shares beneficially owned by each trust after the transactions. The original Form 4 misstated the destination trust for the 40,000-share and 33,000-share gifts.

How many CWST shares do the trusts hold after the amended gift transactions?

After the gifts, one trust for Mr. Casella’s spouse is shown holding 171,000 shares of Class B Common Stock, while SLAT 2, where Mr. Casella is trustee, is shown holding 170,000 shares, reflecting corrected post-transaction beneficial ownership figures.