Casella Waste Systems, Inc. (CWST)
Nasdaq: CWST · Refuse Systems · Rutland, VT · filing with the SEC since 1997
Grade6.3
◀ Past 6.8● Present 5.7▶ Future 6.5
Who owns Casella Waste Systems, Inc.
As filed with the SECHolders of 5% or more
4
Blackrock, Inc. holds 14.3% of Class A Stock, as its SCHEDULE 13G/A filed Jan 8, 2026 says.
Directors and officers
16
report now, of 23 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jan 8, 2026 · Class A Stock
Conestoga Capital Advisors
SCHEDULE 13G/A · filed Jan 10, 2025 · Class A Common Stock
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Wasatch Advisors LP
SCHEDULE 13G/A · filed Oct 9, 2026 · Common Stock SH · reported falling below 5%, from 5.6% in Jul 9, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 10.5% in Jan 7, 2026
What CWST reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Transfer Stations Acquisition
A company bought · acquisition · Dec 2023 · owns, named in the 10-K filed Feb 20, 2026
GFL Environmental Inc
A company bought · acquisition · owns, named in the 10-K filed Feb 20, 2026
Twin Bridges Acquisition
A company bought · acquisition · owns, named in the 10-K filed Feb 20, 2026
68 subsidiaries in 1 country, from the list filed with the 10-K filed Feb 20, 2026.
Insider tradesForm 4
27sales
0purchases
12sales on a scheduled plan
8people selling
$5.5Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 10, 2025 to Nov 10, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 10, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window8 of 23 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Coletta Edmond | PRESIDENT & CEO | 7 | $2.3M | 2 | 0 | $0 |
| Casella Douglas R | VICE CHAIRMAN, BD OF DIRECTORS | 3 | $1.5M | 0 | 0 | $0 |
| Casella John W | CHIEF EXECUTIVE OFFICER | 3 | $900,000 | 2 | 0 | $0 |
| Burke Michael K | director | 3 | $400,000 | 0 | 0 | $0 |
| Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | 3 | $200,000 | 2 | 0 | $0 |
| Helgeson Bradford John | Executive VP and CFO | 2 | $100,000 | 2 | 0 | $0 |
| Steves Sean | Sr VP & COO of SW Ops | 3 | $100,000 | 2 | 0 | $0 |
| Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | 3 | $100,000 | 2 | 0 | $0 |