Sean Steves - 12 Mar 2026 Form 4 Insider Report for CASELLA WASTE SYSTEMS INC (CWST)

Reporting relationship: Sr VP & COO of SW Ops
Issuer ticker: CWST
Reported as of: 12 Mar 2026
Net transaction value: -$25,998
SEC form: 4
Accepted by SEC: 16 Mar 2026, 16:53:31 UTC
Prior SEC filing: 02 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Sean Steves

Key filing fact

Sean Steves filed Form 4 for CASELLA WASTE SYSTEMS INC (CWST) on 16 Mar 2026.

Key facts

This page summarizes Sean Steves's Form 4 filing for CASELLA WASTE SYSTEMS INC (CWST).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 16 Mar 2026, 16:53.

Change

Previous filing in this sequence was filed on 02 Mar 2026.
Current net transaction value: -$25,998.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001929869 Primary reporting owner

Steves Sean

Relationship: Sr VP & COO of SW Ops
Address: 25 GREENS HILL LANE, RUTLAND
Signature: /s/ Sean Steves
Signature date: 16 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CWST transaction

Class A Common Stock

Sale

Transaction value: $8,702
Shares: -97
Change %: -1%
Price: $89.71
Shares after: 9,572
Date: 12 Mar 2026
Ownership: Direct
Footnotes: F1

CWST transaction

Class A Common Stock

Sale

Transaction value: $17,297
Shares: -197
Change %: -2.1%
Price: $87.80
Shares after: 9,375
Date: 16 Mar 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

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.