CASELLA WASTE SYSTEMS (CWST) stock: insider trades, news & valuation
Heavy sellingShare price and insider trades
CASELLA WASTE SYSTEMS insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 9 sold $5.6M of CWST stock on the open market.
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CWST insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | $1.7M | 5 |
| Q2 2026 | — | 0 | $1.3M | 4 |
| Q1 2026 | — | 0 | $1.8M | 16 |
| Q4 2025 | — | 0 | $823K | 3 |
Valuation, profit and volume
Summary
Over the past 12 months, 0 CASELLA WASTE SYSTEMS INC insiders reported open-market purchases totaling $0, while 9 insiders reported sales totaling $5.6M. 12 of 28 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Sep 3SEC | Michael K BurkeDirector | Sell | 1,10013,641 held (−7%) | $95.26 | $105K | -12.1% | — |
| Aug 26SEC | Michael K BurkeDirector | Sell | 1,10014,741 held (−7%) | $92.99 | $102K | -9.9% | — |
| Aug 14SEC | Douglas R CasellaChair | Sell | 13,31991,484 held (−13%) | $91.07 | $1.2M | -8.0% | — |
| Aug 14SEC | Douglas R CasellaChair | Sell | 1,838104,803 held (−2%) | $90.89 | $167K | -7.8% | — |
| Aug 14SEC | Douglas R CasellaChair | Sell | 1,34390,141 held (−1%) | $91.12 | $122K | -8.1% | — |
| May 27SEC | Michael K BurkeDirector | Sell | 2,30514,048 held (−14%) | $87.56 | $202K | -4.3% | — |
| May 22SEC | Edmond ColettaCEO, President | Sell | 6,000146,618 held (−4%) | $89.03 | $534K | -5.9% | — |
| May 22SEC | Edmond ColettaCEO, President | Sell | 4,907140,118 held (−3%) | $90.07 | $442K | -7.0% | — |
| May 22SEC | Edmond ColettaCEO, President | Sell | 1,593145,025 held (−1%) | $90.00 | $143K | -6.9% | — |
| Mar 16SEC | John W CasellaDirector | Sell Plan | 1,74430,795 held (−5%) | $87.77 | $153K | -4.5% | — |
| Mar 16SEC | Edmond ColettaCEO, President | Sell Plan | 988152,618 held (−1%) | $87.81 | $87K | -4.6% | — |
| Mar 16SEC | John W CasellaDirector | Sell Plan | 96332,539 held (−3%) | $90.06 | $87K | -7.0% | — |
| Mar 16SEC | Bradford John HelgesonCFO | Sell Plan | 4057,342 held (−5%) | $87.73 | $36K | -4.5% | — |
| Mar 16SEC | Edmond ColettaCEO, President | Sell Plan | 377153,606 held (−0%) | $89.80 | $34K | -6.7% | — |
| Mar 16SEC | Shelley E. SaywardGeneral Counsel | Sell Plan | 36228,369 held (−1%) | $87.73 | $32K | -4.5% | — |
| Mar 16SEC | Sean StevesCOO | Sell Plan | 1979,375 held (−2%) | $87.80 | $17K | -4.6% | — |
| Mar 16SEC | Shelley E. SaywardGeneral Counsel | Sell Plan | 12928,731 held (−0%) | $89.71 | $12K | -6.6% | — |
| Mar 16SEC | Sean StevesCOO | Sell Plan | 979,572 held (−1%) | $89.71 | $9K | -6.6% | — |
| Mar 16SEC | Kevin DrohanVp & Chief Accounting Officer | Sell Plan | 857,873 held (−1%) | $87.73 | $7K | -4.5% | — |
| Mar 16SEC | Kevin DrohanVp & Chief Accounting Officer | Sell Plan | 557,958 held (−1%) | $89.52 | $5K | -6.4% | — |
| Mar 2SEC | John W CasellaCEO | Sell | 6,72627,989 held (−19%) | $93.10 | $626K | -10.0% | — |
| Mar 2SEC | Edmond ColettaPresident | Sell | 3,812147,091 held (−3%) | $93.70 | $357K | -10.6% | — |
| Mar 2SEC | Shelley E. SaywardGeneral Counsel | Sell | 1,59127,206 held (−6%) | $92.91 | $148K | -9.8% | — |
| Mar 2SEC | Sean StevesCOO | Sell | 1,1999,669 held (−11%) | $92.89 | $111K | -9.8% | — |
| Mar 2SEC | Kevin DrohanVp & Chief Accounting Officer | Sell | 6757,462 held (−8%) | $92.61 | $63K | -9.5% | — |
| Dec 9SEC | Edmond ColettaPresident | Sell | 7,000141,093 held (−5%) | $100.07 | $700K | -16.3% | — |
| Nov 10SEC | Bradford John HelgesonCFO | Sell Plan | 2624,991 held (−5%) | $87.65 | $23K | -4.4% | — |
| Nov 6SEC | Emily Nagle GreenDirector | Sell | 1,1165,647 held (−17%) | $89.38 | $100K | -6.3% | — |
Insiders at CASELLA WASTE SYSTEMS INC
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Edmond ColettaCEO, President | — | $2.3M | May 22, 2026 | — |
| Douglas R CasellaChair | — | $1.5M | Aug 14, 2026 | — |
| John W CasellaDirector | — | $866K | Mar 16, 2026 | — |
| Michael K BurkeDirector | — | $409K | Sep 3, 2026 | — |
| Shelley E. SaywardGeneral Counsel | — | $191K | Mar 16, 2026 | — |
| Sean StevesCOO | — | $137K | Mar 16, 2026 | — |
| Emily Nagle GreenDirector | — | $100K | Nov 6, 2025 | — |
| Kevin DrohanVp & Chief Accounting Officer | — | $75K | Mar 16, 2026 | — |
| Bradford John HelgesonCFO | — | $58K | Mar 16, 2026 | — |
CWST stock: common questions
Are CASELLA WASTE SYSTEMS INC insiders buying CWST stock?
In the past 12 months, 0 insiders reported open-market purchases of CWST worth $0.
Are CASELLA WASTE SYSTEMS INC insiders selling CWST stock?
9 insiders reported sales worth $5.6M over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is CWST's 52-week range?
Over the past year CWST has traded between $74.97 and $107.34. It last closed at $83.78 on Oct 9, 2026.