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  4. [Form 4] CASELLA WASTE SYSTEMS INC Insider Trading Activity

Casella director sells 1,100 shares at $95.26

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

CASELLA WASTE SYSTEMS INC (CWST) director Michael K. Burke reported selling 1,100 shares of Class A Common Stock on September 3, 2026 in an open-market or private transaction at a weighted average price of $95.26 per share, with individual sale prices between $95.13 and $95.41. Following this sale, he directly holds 13,641 shares of CWST, and no Rule 10b5-1 trading plan is reported.

Positive

  • None.

Negative

  • None.
Insider BURKE MICHAEL K
Role Director
Sold 1,100 shs ($105K)
Type Security Shares Price Value
Sale Class A Common Stock F1 1,100 $95.26 $105K
Holdings After Transaction: Class A Common Stock — 13,641 shares (Direct)
Footnotes (1)
  1. F1. Represents the weighted average sales price for shares sold in multiple transactions, ranging from $95.13 to $95.41. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.
Shares sold 1,100 shares Non-derivative sale on September 3, 2026
Weighted average sale price $95.26 per share Class A Common Stock sales on September 3, 2026
Sale price range $95.13–$95.41 per share Multiple transactions aggregated into the reported weighted average price
Shares held after transaction 13,641 shares Direct ownership by Michael K. Burke following the sale
Class A Common Stock financial
"transaction involved Class A Common Stock of CASELLA WASTE SYSTEMS INC"
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.
weighted average sales price financial
"Represents the weighted average sales price for shares sold in multiple"
open market or private transaction financial
"Sale in open market or private transaction"

FAQ

What insider transaction did CWST report for director Michael K. Burke?
CWST reported that director Michael K. Burke sold 1,100 shares of Class A Common Stock on September 3, 2026 in an open-market or private transaction and now directly holds 13,641 shares after the sale.

At what price did the CWST insider shares sell on September 3, 2026?
The reported weighted average sales price was $95.26 per share, with multiple individual transactions executed between $95.13 and $95.41 per share.

How many CWST shares does Michael K. Burke own after the reported sale?
After selling 1,100 shares, Michael K. Burke directly owns 13,641 shares of CASELLA WASTE SYSTEMS INC Class A Common Stock, as reported in the filing.

Was the September 3, 2026 CWST insider sale under a Rule 10b5-1 plan?
No. The filing indicates that the Rule 10b5-1 checkbox is not marked, so no Rule 10b5-1 trading plan is reported in connection with this sale.

What type of security did the CWST director sell in this Form 4 filing?
The transaction involved Class A Common Stock of CASELLA WASTE SYSTEMS INC, with 1,100 shares sold in a non-derivative, open-market or private transaction.

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

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SEC Form 4
FORM 4UNITED 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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/03/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Class A Common Stock09/03/2026S1,100D$95.26(1)13,641D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Represents the weighted average sales price for shares sold in multiple transactions, ranging from $95.13 to $95.41. Upon request of the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, the reporting person will provide full information regarding the number of shares sold at each separate price.
Remarks:
/s/ Shelley E. Sayward, Attorney in Fact for Michael K. Burke09/03/2026
** Signature of Reporting PersonDate
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