As of the latest Form 4 filed Jun 10, 2026.
What Casella Waste Systems Inc insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 48 most recent filings for CWST.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-06-10 | 2026-06-08 | Green Emily Nagle Director | GGift | −600.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-04 | Sova Gary Director | AAward | +1.79K | $83.65 | $150K | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-04 | Kirk Rose M. Director | AAward | +1.79K | $83.65 | $150K | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-04 | Green Emily Nagle Director | AAward | +1.79K | $83.65 | $150K | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-04 | Battles Michael Louis Director | AAward | +1.79K | $83.65 | $150K | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-04 | HULLIGAN WILLIAM P Director | AAward | +1.79K | $83.65 | $150K | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-04 | BURKE MICHAEL K Director | AAward | +1.79K | $83.65 | $150K | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-04 | DOODY JOSEPH Director | AAward | +1.79K | $83.65 | $150K | No | Form 4 ↗ |
| 2026-06-05 | 2026-06-04 | CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS | AAward | +1.79K | $83.65 | $150K | No | Form 4 ↗ |
| 2026-06-02 | 2026-06-01 | CASELLA JOHN W Director | GGift | +30.8K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-02 | 2026-06-01 | CASELLA JOHN W, Director | GGift | −30.8K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-02 | 2026-06-01 | CASELLA JOHN W, Director | GGift | +36.2K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-02 | 2026-06-01 | CASELLA JOHN W, Director | GGift | −36.2K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-05-27 | 2026-05-26 | BURKE MICHAEL K Director | SSale | −2.31K | $87.56 | $202K | No | Form 4 ↗ |
| 2026-05-22 | 2026-05-19 | Coletta Edmond PRESIDENT & CEO | SSale | −4.91K | $90.07 | $442K | No | Form 4 ↗ |
| 2026-05-22 | 2026-05-19 | Coletta Edmond, PRESIDENT & CEO | SSale | −1.59K | $90.00 | $143K | No | Form 4 ↗ |
| 2026-05-22 | 2026-05-19 | Coletta Edmond, PRESIDENT & CEO | SSale | −6.00K | $89.03 | $534K | No | Form 4 ↗ |
| 2026-03-24 | 2026-03-18 | CASELLA DOUGLAS R VICE CHAIRMAN, BD OF DIRECTORS | GGift | +40.0K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-24 | 2026-03-18 | CASELLA DOUGLAS R, VICE CHAIRMAN, BD OF DIRECTORS | GGift | −40.0K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-24 | 2026-03-17 | CASELLA DOUGLAS R, VICE CHAIRMAN, BD OF DIRECTORS | GGift | +33.0K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-24 | 2026-03-17 | CASELLA DOUGLAS R, VICE CHAIRMAN, BD OF DIRECTORS | GGift | −33.0K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-17 | 2026-03-16 | Rains Christopher Alan Sr. VP & Chief Revenue Officer | AAward | +989.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-16 | 2026-03-16 | Steves Sean Sr VP & COO of SW Ops | SSale | −197.00 | $87.80 | $17.3K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-16 | Drohan Kevin VP & CHIEF ACCOUNTING OFFICER | SSale | −85.00 | $87.73 | $7.46K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-16 | Sayward Shelley E. SENIOR VP & GENERAL COUNSEL | SSale | −362.00 | $87.73 | $31.8K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-16 | Helgeson Bradford John Executive VP and CFO | SSale | −405.00 | $87.73 | $35.5K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-16 | Coletta Edmond PRESIDENT & CEO | SSale | −988.00 | $87.81 | $86.8K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-16 | CASELLA JOHN W Director | SSale | −1.74K | $87.77 | $153K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | Steves Sean Sr VP & COO of SW Ops | SSale | −97.00 | $89.71 | $8.70K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | Drohan Kevin VP & CHIEF ACCOUNTING OFFICER | SSale | −55.00 | $89.52 | $4.92K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | Drohan Kevin, VP & CHIEF ACCOUNTING OFFICER | AAward | +551.00 | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | Sayward Shelley E. SENIOR VP & GENERAL COUNSEL | SSale | −129.00 | $89.71 | $11.6K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | Sayward Shelley E., SENIOR VP & GENERAL COUNSEL | AAward | +1.65K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | Helgeson Bradford John Executive VP and CFO | AAward | +2.76K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | Coletta Edmond PRESIDENT & CEO | SSale | −377.00 | $89.80 | $33.9K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | Coletta Edmond, PRESIDENT & CEO | AAward | +6.89K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | CASELLA JOHN W Director | SSale | −963.00 | $90.06 | $86.7K | Yes (planned) | Form 4 ↗ |
| 2026-03-16 | 2026-03-12 | CASELLA JOHN W, Director | AAward | +5.51K | $0.00 | $0.00 | Yes (planned) | Form 4 ↗ |
| 2026-03-02 | 2026-02-27 | Steves Sean Sr VP & COO of SW Ops | SSale | −1.20K | $92.89 | $111K | No | Form 4 ↗ |
| 2026-03-02 | 2026-02-27 | Drohan Kevin VP & CHIEF ACCOUNTING OFFICER | SSale | −675.00 | $92.61 | $62.5K | No | Form 4 ↗ |
| 2026-03-02 | 2026-02-27 | Sayward Shelley E. SENIOR VP & GENERAL COUNSEL | SSale | −1.59K | $92.91 | $148K | No | Form 4 ↗ |
| 2026-03-02 | 2026-02-27 | Coletta Edmond PRESIDENT | SSale | −3.81K | $93.70 | $357K | No | Form 4 ↗ |
| 2026-03-02 | 2026-02-27 | CASELLA JOHN W CHIEF EXECUTIVE OFFICER | SSale | −6.73K | $93.10 | $626K | No | Form 4 ↗ |
| 2026-03-02 | 2026-02-26 | Steves Sean Sr VP & COO of SW Ops | AAward | +3.43K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-02 | 2026-02-26 | Drohan Kevin VP & CHIEF ACCOUNTING OFFICER | AAward | +2.45K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-02 | 2026-02-26 | Sayward Shelley E. SENIOR VP & GENERAL COUNSEL | AAward | +4.60K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-02 | 2026-02-26 | Coletta Edmond PRESIDENT | AAward | +9.81K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-03-02 | 2026-02-26 | CASELLA JOHN W CHIEF EXECUTIVE OFFICER | AAward | +23.3K | $0.00 | $0.00 | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also CWST’s full analysis or the market-wide insider trading feed. The tabs above jump to CWST’s other SEC data.
Source: SEC Form 4 filings for CWST, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
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