CASELLA WASTE SYSTEMS INC — Director's Dealing 2025

Mar 14, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CASELLA WASTE SYSTEMS INC (CWST)
CIK: 0000911177
Period of Report: 2025-03-12

Reporting Person: Steves Sean (Sr VP & COO of SW Ops)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-03-12	Class A Common Stock	A	951	—	Acquired	7714	Direct
2025-03-12	Class A Common Stock	S	100	$106.98	Disposed	7614	Direct
2025-03-12	Class A Common Stock	S	71	$106.18	Disposed	7543	Direct
2025-03-13	Class A Common Stock	S	108	$104.13	Disposed	7435	Direct

Footnotes

F1: Represents the award of Restricted Stock Units (RSUs) under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan. Each RSU represents a contingent right to receive one share of Casella's Class A Common Stock. RSUs vest in three equal annual installments beginning on March 12, 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 RSUs previously granted to the reporting person. 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 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 RSUs previously granted to the reporting person. This sale was effected pursuant to an automatic sell-to-cover instruction adopted by the reporting person on May 16, 2022 and does not represent a discretionary sale by the reporting person.

F4: Represents the weighted average sales price for shares sold in multiple transactions, ranging from $104.11 to $104.15. 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.