CWST
Casella Waste Systems, Inc.$77.57+0.82 (+1.07%)Prev Close$76.75·MCap$5.05B·P/E621.44·Vol772.9K·Yield—
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
18
$5.66M
◆
Net Activity
Net Seller
$5.66M
●
Active Insiders
8
last 12 mo
Over the past 12 months, insider activity at Casella Waste Systems, Inc. (CWST) has been exclusively selling, with 0 insider purchases totaling $0.00 and 18 insider sales totaling $5.66M. The most recent insider transaction was by CASELLA JOHN W (director), who sold $239.8K worth of shares on Mar 16, 2026. Casella Waste Systems, Inc. operates in the Industrials sector, within the Waste Management industry, with a market cap of $5.05B.
CWST Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 16, 2026 | CASELLA JOHN W | director | Sell | 2,707 | $88.58 | $239.8K | 32,539 |
| Mar 16, 2026 | Coletta Edmond | officer: PRESIDENT & CEO | Sell | 1,365 | $88.36 | $120.6K | 153,606 |
| Mar 16, 2026 | Drohan Kevin | officer: VP & CHIEF ACCOUNTING OFFICER | Sell | 140 | $88.43 | $12.4K | 7,958 |
| Mar 16, 2026 | Helgeson Bradford John | officer: Executive VP and CFO | Sell | 405 | $87.73 | $35.5K | 7,342 |
| Mar 16, 2026 | Sayward Shelley E. | officer: SENIOR VP & GENERAL COUNSEL | Sell | 491 | $88.25 | $43.3K | 28,731 |
| Mar 16, 2026 | Steves Sean | officer: Sr VP & COO of SW Ops | Sell | 294 | $88.43 | $26.0K | 9,572 |
| Mar 2, 2026 | CASELLA JOHN W | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 6,726 | $93.10 | $626.2K | 27,989 |
| Mar 2, 2026 | Coletta Edmond | officer: PRESIDENT | Sell | 3,812 | $93.70 | $357.2K | 147,091 |
| Mar 2, 2026 | Drohan Kevin | officer: VP & CHIEF ACCOUNTING OFFICER | Sell | 675 | $92.61 | $62.5K | 7,462 |
| Mar 2, 2026 | Sayward Shelley E. | officer: SENIOR VP & GENERAL COUNSEL | Sell | 1,591 | $92.91 | $147.8K | 27,206 |
| Mar 2, 2026 | Steves Sean | officer: Sr VP & COO of SW Ops | Sell | 1,199 | $92.89 | $111.4K | 9,669 |
| Dec 8, 2025 | Coletta Edmond | PRESIDENT | Sell | 7,000 | $100.07 | $700.5K | 0 |
| Nov 7, 2025 | Helgeson Bradford John | Executive VP and CFO | Sell | 262 | $87.65 | $23.0K | 0 |
| Nov 4, 2025 | Green Emily Nagle | Director | Sell | 1,116 | $89.38 | $99.7K | 0 |
| Aug 4, 2025 | Ligon Paul | SR VP of Sustainable Growth | Sell | 1,000 | $102.84 | $102.8K | 0 |
| Jun 3, 2025 | Ligon Paul | SR VP of Sustainable Growth | Sell | 1,000 | $116.98 | $117.0K | 0 |
| May 8, 2025 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 18,093 | $119.87 | $2.17M | 0 |
| May 6, 2025 | Coletta Edmond | PRESIDENT | Sell | 5,562 | $119.18 | $662.9K | 0 |
| Apr 16, 2025 | Ligon Paul | SR VP of Sustainable Growth | Sell | 2,000 | $118.68 | $237.3K | 0 |
| Mar 12, 2025 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Sell | 696 | $106.00 | $73.8K | 0 |
| Mar 12, 2025 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 2,693 | $106.31 | $286.3K | 0 |
| Mar 12, 2025 | Coletta Edmond | PRESIDENT | Sell | 6,292 | $105.11 | $661.4K | 0 |
| Mar 12, 2025 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Sell | 188 | $105.88 | $19.9K | 0 |
| Mar 12, 2025 | Helgeson Bradford John | Executive VP and CFO | Sell | 197 | $103.87 | $20.5K | 0 |
| Mar 12, 2025 | Ligon Paul | SR VP of Sustainable Growth | Sell | 182 | $105.73 | $19.2K | 0 |
| Mar 12, 2025 | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | Sell | 587 | $105.69 | $62.0K | 0 |
| Mar 12, 2025 | Steves Sean | Sr VP & COO of SW Ops | Sell | 208 | $105.50 | $21.9K | 0 |
| Mar 10, 2025 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Sell | 5,387 | $111.94 | $603.0K | 0 |
| Feb 27, 2025 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 13,577 | $113.88 | $1.55M | 0 |
| Feb 27, 2025 | Coletta Edmond | PRESIDENT | Sell | 5,206 | $113.75 | $592.2K | 0 |
| Feb 27, 2025 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Sell | 1,136 | $113.48 | $128.9K | 0 |
| Feb 27, 2025 | Ligon Paul | SR VP of Sustainable Growth | Sell | 487 | $113.33 | $55.2K | 0 |
| Feb 27, 2025 | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | Sell | 1,938 | $113.35 | $219.7K | 0 |
| Feb 27, 2025 | Steves Sean | Sr VP & COO of SW Ops | Sell | 495 | $113.49 | $56.2K | 0 |
| Dec 13, 2024 | Green Emily Nagle | Director | Sell | 2,025 | $108.18 | $219.1K | 0 |
| Nov 25, 2024 | BURKE MICHAEL K | Director | Sell | 1,800 | $112.88 | $203.2K | 0 |
| Nov 22, 2024 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Sell | 20,000 | $112.26 | $2.25M | 0 |
| Nov 14, 2024 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 27,940 | $106.43 | $2.97M | 0 |
| Nov 12, 2024 | Steves Sean | Sr VP & COO of SW Ops | Sell | 1,418 | $108.27 | $153.5K | 0 |
| Nov 7, 2024 | Helgeson Bradford John | Executive VP and CFO | Sell | 197 | $106.68 | $21.0K | 0 |
| Nov 6, 2024 | Green Emily Nagle | Director | Sell | 745 | $105.14 | $78.3K | 0 |
| Nov 6, 2024 | Ligon Paul | SR VP of Sustainable Growth | Sell | 1,730 | $106.81 | $184.8K | 0 |
| Nov 5, 2024 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 23,509 | $100.79 | $2.37M | 0 |
| Nov 4, 2024 | Coletta Edmond | PRESIDENT | Sell | 20,000 | $100.11 | $2.00M | 0 |
| Nov 4, 2024 | HULLIGAN WILLIAM P | Director | Sell | 10,000 | $99.82 | $998.2K | 0 |
| Sep 3, 2024 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Sell | 214 | $105.42 | $22.6K | 0 |
| Mar 12, 2024 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Sell | 1,065 | $94.10 | $100.2K | 0 |
| Mar 12, 2024 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 2,624 | $94.14 | $247.0K | 0 |
| Mar 12, 2024 | Coletta Edmond | PRESIDENT | Sell | 1,185 | $94.20 | $111.6K | 0 |
| Mar 12, 2024 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Sell | 173 | $94.23 | $16.3K | 0 |
Showing 1–50 of 122
1 / 3
CWST Insider Buying Activity
The following table shows recent insider purchases of Casella Waste Systems, Inc. (CWST) stock reported via SEC Form 4 filings.
No insider buying activity found for CWST in the last 12 months.
CWST Insider Selling Activity
The following table shows recent insider sales of Casella Waste Systems, Inc. (CWST) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 16, 2026 | CASELLA JOHN W | director | Sell | 2,707 | $88.58 | $239.8K | 32,539 |
| Mar 16, 2026 | Coletta Edmond | officer: PRESIDENT & CEO | Sell | 1,365 | $88.36 | $120.6K | 153,606 |
| Mar 16, 2026 | Drohan Kevin | officer: VP & CHIEF ACCOUNTING OFFICER | Sell | 140 | $88.43 | $12.4K | 7,958 |
| Mar 16, 2026 | Helgeson Bradford John | officer: Executive VP and CFO | Sell | 405 | $87.73 | $35.5K | 7,342 |
| Mar 16, 2026 | Sayward Shelley E. | officer: SENIOR VP & GENERAL COUNSEL | Sell | 491 | $88.25 | $43.3K | 28,731 |
| Mar 16, 2026 | Steves Sean | officer: Sr VP & COO of SW Ops | Sell | 294 | $88.43 | $26.0K | 9,572 |
| Mar 2, 2026 | CASELLA JOHN W | director, officer: CHIEF EXECUTIVE OFFICER | Sell | 6,726 | $93.10 | $626.2K | 27,989 |
| Mar 2, 2026 | Coletta Edmond | officer: PRESIDENT | Sell | 3,812 | $93.70 | $357.2K | 147,091 |
| Mar 2, 2026 | Drohan Kevin | officer: VP & CHIEF ACCOUNTING OFFICER | Sell | 675 | $92.61 | $62.5K | 7,462 |
| Mar 2, 2026 | Sayward Shelley E. | officer: SENIOR VP & GENERAL COUNSEL | Sell | 1,591 | $92.91 | $147.8K | 27,206 |
| Mar 2, 2026 | Steves Sean | officer: Sr VP & COO of SW Ops | Sell | 1,199 | $92.89 | $111.4K | 9,669 |
| Dec 8, 2025 | Coletta Edmond | PRESIDENT | Sell | 7,000 | $100.07 | $700.5K | 0 |
| Nov 7, 2025 | Helgeson Bradford John | Executive VP and CFO | Sell | 262 | $87.65 | $23.0K | 0 |
| Nov 4, 2025 | Green Emily Nagle | Director | Sell | 1,116 | $89.38 | $99.7K | 0 |
| Aug 4, 2025 | Ligon Paul | SR VP of Sustainable Growth | Sell | 1,000 | $102.84 | $102.8K | 0 |
| Jun 3, 2025 | Ligon Paul | SR VP of Sustainable Growth | Sell | 1,000 | $116.98 | $117.0K | 0 |
| May 8, 2025 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 18,093 | $119.87 | $2.17M | 0 |
| May 6, 2025 | Coletta Edmond | PRESIDENT | Sell | 5,562 | $119.18 | $662.9K | 0 |
| Apr 16, 2025 | Ligon Paul | SR VP of Sustainable Growth | Sell | 2,000 | $118.68 | $237.3K | 0 |
| Mar 12, 2025 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Sell | 696 | $106.00 | $73.8K | 0 |
| Mar 12, 2025 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 2,693 | $106.31 | $286.3K | 0 |
| Mar 12, 2025 | Coletta Edmond | PRESIDENT | Sell | 6,292 | $105.11 | $661.4K | 0 |
| Mar 12, 2025 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Sell | 188 | $105.88 | $19.9K | 0 |
| Mar 12, 2025 | Helgeson Bradford John | Executive VP and CFO | Sell | 197 | $103.87 | $20.5K | 0 |
| Mar 12, 2025 | Ligon Paul | SR VP of Sustainable Growth | Sell | 182 | $105.73 | $19.2K | 0 |
| Mar 12, 2025 | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | Sell | 587 | $105.69 | $62.0K | 0 |
| Mar 12, 2025 | Steves Sean | Sr VP & COO of SW Ops | Sell | 208 | $105.50 | $21.9K | 0 |
| Mar 10, 2025 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Sell | 5,387 | $111.94 | $603.0K | 0 |
| Feb 27, 2025 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 13,577 | $113.88 | $1.55M | 0 |
| Feb 27, 2025 | Coletta Edmond | PRESIDENT | Sell | 5,206 | $113.75 | $592.2K | 0 |
| Feb 27, 2025 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Sell | 1,136 | $113.48 | $128.9K | 0 |
| Feb 27, 2025 | Ligon Paul | SR VP of Sustainable Growth | Sell | 487 | $113.33 | $55.2K | 0 |
| Feb 27, 2025 | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | Sell | 1,938 | $113.35 | $219.7K | 0 |
| Feb 27, 2025 | Steves Sean | Sr VP & COO of SW Ops | Sell | 495 | $113.49 | $56.2K | 0 |
| Dec 13, 2024 | Green Emily Nagle | Director | Sell | 2,025 | $108.18 | $219.1K | 0 |
| Nov 25, 2024 | BURKE MICHAEL K | Director | Sell | 1,800 | $112.88 | $203.2K | 0 |
| Nov 22, 2024 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Sell | 20,000 | $112.26 | $2.25M | 0 |
| Nov 14, 2024 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 27,940 | $106.43 | $2.97M | 0 |
| Nov 12, 2024 | Steves Sean | Sr VP & COO of SW Ops | Sell | 1,418 | $108.27 | $153.5K | 0 |
| Nov 7, 2024 | Helgeson Bradford John | Executive VP and CFO | Sell | 197 | $106.68 | $21.0K | 0 |
| Nov 6, 2024 | Green Emily Nagle | Director | Sell | 745 | $105.14 | $78.3K | 0 |
| Nov 6, 2024 | Ligon Paul | SR VP of Sustainable Growth | Sell | 1,730 | $106.81 | $184.8K | 0 |
| Nov 5, 2024 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 23,509 | $100.79 | $2.37M | 0 |
| Nov 4, 2024 | Coletta Edmond | PRESIDENT | Sell | 20,000 | $100.11 | $2.00M | 0 |
| Nov 4, 2024 | HULLIGAN WILLIAM P | Director | Sell | 10,000 | $99.82 | $998.2K | 0 |
| Sep 3, 2024 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Sell | 214 | $105.42 | $22.6K | 0 |
| Mar 12, 2024 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | Sell | 1,065 | $94.10 | $100.2K | 0 |
| Mar 12, 2024 | CASELLA JOHN W | CHIEF EXECUTIVE OFFICER | Sell | 2,624 | $94.14 | $247.0K | 0 |
| Mar 12, 2024 | Coletta Edmond | PRESIDENT | Sell | 1,185 | $94.20 | $111.6K | 0 |
| Mar 12, 2024 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | Sell | 173 | $94.23 | $16.3K | 0 |
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