Sean Steves - 26 Feb 2026 Form 4 Insider Report for CASELLA WASTE SYSTEMS INC (CWST)

Signature
/s/ Sean Steves
Issuer symbol
CWST
Transactions as of
26 Feb 2026
Net transactions value
-$111,375
Form type
4
Filing time
02 Mar 2026, 16:43:19 UTC
Previous filing
14 Mar 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Steves Sean Sr VP & COO of SW Ops 25 GREENS HILL LANE, RUTLAND /s/ Sean Steves 02 Mar 2026 0001929869

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CWST Class A Common Stock Award $0 +3,433 +46% $0.000000 10,868 26 Feb 2026 Direct F1
transaction CWST Class A Common Stock Sale $111,375 -1,199 -11% $92.89 9,669 27 Feb 2026 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares of Class A Common Stock acquired by the reporting person upon the vesting of performance-based stock units (PSUs) granted to the reporting person on March 10, 2023, as a result of the level of achievement by Casella Waste Systems, Inc. of certain performance objectives during the period running from January 1, 2025 through December 31, 2025, and a multiplier based on relative total shareholder return for the period running from January 1, 2023 to December 31, 2025, as certified by the issuer's compensation and human capital committee on February 26, 2026.
F2 Represents the sale of shares of Class A Common Stock pursuant to a "sell-to-cover" transaction in order to satisfy tax withholding obligations in connection with the vesting of PSUs previously granted to the reporting person on March 10, 2023. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on August 2, 2023 and does not represent a discretionary sale by the reporting person.
F3 Represents the weighted average sales price for shares sold in multiple transactions, ranging from $92.88 to $92.93. 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.