CASELLA WASTE SYSTEMS INC Insider Trading Activity
Every SEC Form 4 insider transaction reported for CASELLA WASTE SYSTEMS INC (CWST), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are CWST insiders buying or selling?
In the last 12 months, CASELLA WASTE SYSTEMS INC insiders reported 0 open-market purchases ($0) and 19 sales ($5.6M) — net selling of $5.6M. Since March 2018, Trabud has recorded 262 Form 4 filings for CWST: 1 buys ($56.5K) and 261 sells ($200.0M).
Source: SEC EDGAR Form 4
What stands out
- No CASELLA WASTE SYSTEMS INC insider made an open-market purchase in the last 12 months; the 19 reported open-market sales totaled $5.6M.
Key Statistics (March 2018 – Sep 3, 2026)
Total Form 4 filings
262
SEC EDGAR
Insider filers
18
Insider buys (1)
$56.5K
Insider sells (261)
$200.0M
Insider sentiment
Net sellingNet insider flow of $199.9M in net selling since March 2018, and $5.6M in net selling over the last 12 months.
Recent CWST insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 3, 2026 | Michael K Burke | Director | Sale | 1.1K | $95.26 | $104.8K | SEC ↗ |
| Aug 26, 2026 | Michael K Burke | Director | Sale | 1.1K | $92.99 | $102.3K | SEC ↗ |
| Aug 14, 2026 | Douglas R Casella | VICE CHAIRMAN, BD OF DIRECTORS | Sale | 16.5K | $91.05 | $1.5M | SEC ↗ |
| May 27, 2026 | Michael K Burke | Director | Sale | 2.3K | $87.56 | $201.8K | SEC ↗ |
| May 22, 2026 | Edmond Coletta | PRESIDENT & CEO | Sale | 12.5K | $89.56 | $1.1M | SEC ↗ |
| Mar 16, 2026 | John W Casella | Director | Sale | 2.7K | $88.58 | $239.8K | SEC ↗ |
| Mar 16, 2026 | Edmond Coletta | PRESIDENT & CEO | Sale | 1.4K | $88.36 | $120.6K | SEC ↗ |
| Mar 16, 2026 | Kevin Drohan | VP & CHIEF ACCOUNTING OFFICER | Sale | 140 | $88.43 | $12.4K | SEC ↗ |
| Mar 16, 2026 | Sean Steves | Sr VP & COO of SW Ops | Sale | 294 | $88.43 | $26.0K | SEC ↗ |
| Mar 16, 2026 | Shelley E. Sayward | SENIOR VP & GENERAL COUNSEL | Sale | 491 | $88.25 | $43.3K | SEC ↗ |
| Mar 16, 2026 | Bradford John Helgeson | Executive VP and CFO | Sale | 405 | $87.73 | $35.5K | SEC ↗ |
| Mar 2, 2026 | Sean Steves | Sr VP & COO of SW Ops | Sale | 1.2K | $92.89 | $111.4K | SEC ↗ |
| Mar 2, 2026 | Kevin Drohan | VP & CHIEF ACCOUNTING OFFICER | Sale | 675 | $92.61 | $62.5K | SEC ↗ |
| Mar 2, 2026 | Edmond Coletta | PRESIDENT | Sale | 3.8K | $93.70 | $357.2K | SEC ↗ |
| Mar 2, 2026 | John W Casella | CHIEF EXECUTIVE OFFICER | Sale | 6.7K | $93.10 | $626.2K | SEC ↗ |
| Mar 2, 2026 | Shelley E. Sayward | SENIOR VP & GENERAL COUNSEL | Sale | 1.6K | $92.91 | $147.8K | SEC ↗ |
| Dec 9, 2025 | Edmond Coletta | PRESIDENT | Sale | 7.0K | $100.07 | $700.5K | SEC ↗ |
| Nov 10, 2025 | Bradford John Helgeson | Executive VP and CFO | Sale | 262 | $87.65 | $23.0K | SEC ↗ |
| Nov 6, 2025 | Emily Nagle Green | Director | Sale | 1.1K | $89.38 | $99.7K | SEC ↗ |
| Aug 5, 2025 | Paul Ligon | SR VP of Sustainable Growth | Sale | 1.0K | $102.84 | $102.8K | SEC ↗ |
| Jun 4, 2025 | Paul Ligon | SR VP of Sustainable Growth | Sale | 1.0K | $116.98 | $117.0K | SEC ↗ |
| May 9, 2025 | John W Casella | CHIEF EXECUTIVE OFFICER | Sale | 18.1K | $119.87 | $2.2M | SEC ↗ |
| May 7, 2025 | Edmond Coletta | PRESIDENT | Sale | 5.6K | $119.18 | $662.9K | SEC ↗ |
| Apr 17, 2025 | Paul Ligon | SR VP of Sustainable Growth | Sale | 2.0K | $118.68 | $237.3K | SEC ↗ |
| Mar 14, 2025 | Edmond Coletta | PRESIDENT | Sale | 6.3K | $105.11 | $661.4K | SEC ↗ |
Showing the 25 most recent of 262 Form 4 filings for CASELLA WASTE SYSTEMS INC.
Most active CWST insiders
- Edwin D Johnson38 filings
- Edmond Coletta34 filings
- John W Casella34 filings
- Douglas R Casella25 filings
- Christopher Heald20 filings
Ask anything about CWST insider activity
Use Trabud's AI agent to query CASELLA WASTE SYSTEMS INC's Form 4 history in plain English — "Show me CWST CEO purchases this year" or compare it against any other ticker.
Open the AI agentCWST insider trading FAQ
Are CASELLA WASTE SYSTEMS INC insiders buying or selling?
In the last 12 months, CASELLA WASTE SYSTEMS INC insiders reported 0 open-market purchases ($0) and 19 sales ($5.6M) — net selling of $5.6M. Since March 2018, Trabud has recorded 262 Form 4 filings for CWST: 1 buys ($56.5K) and 261 sells ($200.0M). Over the full record that is net selling of $199.9M.
How many insiders trade CWST stock?
18 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for CASELLA WASTE SYSTEMS INC. The most recent filing was accepted on Sep 3, 2026.
Where does Trabud get CWST insider trading data?
All CWST insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.