STOCK TITAN

Casella Waste (CWST) CEO sells 12,500 shares in open-market trades

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Casella Waste Systems President & CEO Edmond Coletta sold 12,500 shares of Class A Common Stock in open-market transactions. The trades occurred on May 19, 2026, at prices ranging from about $89.03 to $90.07 per share, according to the Form 4 disclosure.

Positive

  • None.

Negative

  • None.
Insider Coletta Edmond
Role PRESIDENT & CEO
Sold 12,500 shs ($1.12M)
Type Security Shares Price Value
Sale Class A Common Stock 6,000 $89.03 $534K
Sale Class A Common Stock 1,593 $90.00 $143K
Sale Class A Common Stock 4,907 $90.07 $442K
Holdings After Transaction: Class A Common Stock — 146,618 shares (Direct, null)
Footnotes (1)
  1. Represents the weighted average sales price for shares sold in multiple transactions, ranging from $89.00 to $89.27. 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. Represents the weighted average sales price for shares sold in multiple transactions, ranging from $90.07 to $90.09. 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.
Total shares sold 12,500 shares Aggregate open-market sales on May 19, 2026
Sale tranche 6,000 shares at $89.03 Class A Common Stock, open-market sale (code S)
Sale tranche 4,907 shares at $90.07 Class A Common Stock, open-market sale (code S)
Sale tranche 1,593 shares at $90.00 Class A Common Stock, open-market sale (code S)
Post-transaction holding example 140,118 shares Total Class A shares shown following one reported sale
open-market sale financial
"transaction_action": "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
Class A Common Stock financial
""security_title": "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.
weighted average sales price financial
"Represents the weighted average sales price for shares sold in multiple transactions"
Form 4 regulatory
"INSIDER FILING DATA (Form 4):"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
Securities and Exchange Commission regulatory
"Upon request of the staff of the Securities and Exchange Commission"
A national government agency that enforces rules for buying, selling and disclosing information about stocks and other investments, acting like a referee and scorekeeper for financial markets. It requires companies to share clear, regular financial and business information and investigates fraud or rule-breaking, which matters to investors because those rules and disclosures help ensure fair prices, reduce hidden risks and make it easier to compare investment choices.
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*
Coletta Edmond

(Last)(First)(Middle)
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)
Director10% Owner
XOfficer (give title below)Other (specify below)
PRESIDENT & CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026
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 Stock05/19/2026S6,000D$89.03(1)146,618D
Class A Common Stock05/19/2026S1,593D$90145,025D
Class A Common Stock05/19/2026S4,907D$90.07(2)140,118D
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 $89.00 to $89.27. 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.
2. Represents the weighted average sales price for shares sold in multiple transactions, ranging from $90.07 to $90.09. 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/ Edmond R. Coletta05/22/2026
** 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)

FAQ

What did Casella Waste Systems (CWST) CEO Edmond Coletta report in this Form 4?

Edmond Coletta reported selling 12,500 shares of Casella Waste Systems Class A Common Stock. The Form 4 shows three open-market sales on May 19, 2026, at prices around $89 to $90 per share.

How many Casella Waste Systems (CWST) shares did the CEO sell and at what prices?

The CEO sold a total of 12,500 Class A Common Stock shares. The reported trades were 6,000 shares at $89.03, 4,907 shares at $90.07, and 1,593 shares at $90.00, all in open-market transactions.

What type of transactions were reported in this Casella Waste Systems (CWST) Form 4?

All reported transactions were open-market sales of non-derivative Class A Common Stock. Each is coded “S” on the Form 4, indicating sales in the open market or private transactions rather than option exercises or gifts.

On what date did the Casella Waste Systems (CWST) CEO’s share sales occur?

All three reported sales occurred on May 19, 2026. The Form 4 lists that transaction date for each open-market sale of Class A Common Stock by President and CEO Edmond Coletta.

Do the Casella Waste Systems (CWST) Form 4 footnotes disclose anything about pricing details?

Yes. The footnotes state that some reported prices are weighted averages for multiple trades. They note ranges, such as $89.00 to $89.27 and $90.07 to $90.09, and offer to provide exact breakdowns upon request to regulators or security holders.