Casella Waste Systems Inc. (CWST)
Casella Waste Systems Inc. (CWST) Insider Trading
Directors, officers and holders of more than 10% of CWST report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 146 transactions on file: 0 with code P, 25 with code S and 25 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 3, 2026 | BURKE MICHAEL K | Director | S Sale | 1,100 | $95.26 | $104,786 |
| Aug 26, 2026 | BURKE MICHAEL K | Director | S Sale | 1,100 | $92.99 | $102,289 |
| Aug 14, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | S Sale | 1,343 | $91.12 | $122,374 |
| Aug 13, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | S Sale | 1,838 | $90.89 | $167,056 |
| Aug 13, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | S Sale | 13,319 | $91.07 | $1,212,961 |
| Aug 11, 2026 | Ribar Damian Andrew | Executive VP and COO | A Award | 25,000 | Not measured | Not measured |
| Jun 8, 2026 | Green Emily Nagle | Director | G Gift | 600 | Not measured | Not measured |
| Jun 4, 2026 | HULLIGAN WILLIAM P | Director | A Award | 1,793 | $83.65 | $149,984 |
| Jun 4, 2026 | Green Emily Nagle | Director | A Award | 1,793 | $83.65 | $149,984 |
| Jun 4, 2026 | DOODY JOSEPH | Director | A Award | 1,793 | $83.65 | $149,984 |
| Jun 4, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | A Award | 1,793 | $83.65 | $149,984 |
| Jun 4, 2026 | Sova Gary | Director | A Award | 1,793 | $83.65 | $149,984 |
| Jun 4, 2026 | BURKE MICHAEL K | Director | A Award | 1,793 | $83.65 | $149,984 |
| Jun 4, 2026 | Battles Michael Louis | Director | A Award | 1,793 | $83.65 | $149,984 |
| Jun 4, 2026 | Kirk Rose M. | Director | A Award | 1,793 | $83.65 | $149,984 |
| Jun 1, 2026 | CASELLA JOHN W | Director | G Gift | 30,800 | Not measured | Not measured |
| Jun 1, 2026 | CASELLA JOHN W | Director | G Gift | 30,800 | Not measured | Not measured |
| Jun 1, 2026 | CASELLA JOHN W | Director | G Gift | 36,200 | Not measured | Not measured |
| Jun 1, 2026 | CASELLA JOHN W | Director | G Gift | 36,200 | Not measured | Not measured |
| May 26, 2026 | BURKE MICHAEL K | Director | S Sale | 2,305 | $87.56 | $201,826 |
| May 19, 2026 | Coletta Edmond | PRESIDENT | S Sale | 1,593 | $90.00 | $143,370 |
| May 19, 2026 | Coletta Edmond | PRESIDENT | S Sale | 4,907 | $90.07 | $441,973 |
| May 19, 2026 | Coletta Edmond | PRESIDENT | S Sale | 6,000 | $89.03 | $534,180 |
| Mar 18, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | G Gift | 40,000 | Not measured | Not measured |
| Mar 18, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | G Gift | 40,000 | Not measured | Not measured |
| Mar 17, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | G Gift | 33,000 | Not measured | Not measured |
| Mar 17, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS | G Gift | 33,000 | Not measured | Not measured |
| Mar 16, 2026 | Rains Christopher Alan | Sr. VP & Chief Revenue Officer | A Award | 989 | Not measured | Not measured |
| Mar 16, 2026 | Helgeson Bradford John | Executive VP and CFO | S Sale | 405 | $87.73 | $35,531 |
| Mar 16, 2026 | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | S Sale | 362 | $87.73 | $31,758 |
| Mar 16, 2026 | Steves Sean | Sr VP & COO of SW Ops | S Sale | 197 | $87.80 | $17,297 |
| Mar 16, 2026 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | S Sale | 85 | $87.73 | $7,457 |
| Mar 16, 2026 | Coletta Edmond | PRESIDENT | S Sale | 988 | $87.81 | $86,756 |
| Mar 16, 2026 | CASELLA JOHN W | Director | S Sale | 1,744 | $87.77 | $153,071 |
| Mar 12, 2026 | Helgeson Bradford John | Executive VP and CFO | A Award | 2,756 | Not measured | Not measured |
| Mar 12, 2026 | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | S Sale | 129 | $89.71 | $11,573 |
| Mar 12, 2026 | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | A Award | 1,654 | Not measured | Not measured |
| Mar 12, 2026 | Steves Sean | Sr VP & COO of SW Ops | S Sale | 97 | $89.71 | $8,702 |
| Mar 12, 2026 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | S Sale | 55 | $89.52 | $4,924 |
| Mar 12, 2026 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | A Award | 551 | Not measured | Not measured |
| Mar 12, 2026 | Coletta Edmond | PRESIDENT | S Sale | 377 | $89.80 | $33,855 |
| Mar 12, 2026 | Coletta Edmond | PRESIDENT | A Award | 6,892 | Not measured | Not measured |
| Mar 12, 2026 | CASELLA JOHN W | Director | S Sale | 963 | $90.06 | $86,728 |
| Mar 12, 2026 | CASELLA JOHN W | Director | A Award | 5,513 | Not measured | Not measured |
| Feb 27, 2026 | CASELLA JOHN W | Director | S Sale | 6,726 | $93.10 | $626,191 |
| Feb 27, 2026 | Coletta Edmond | PRESIDENT | S Sale | 3,812 | $93.70 | $357,184 |
| Feb 27, 2026 | Drohan Kevin | VP & CHIEF ACCOUNTING OFFICER | S Sale | 675 | $92.61 | $62,512 |
| Feb 27, 2026 | Steves Sean | Sr VP & COO of SW Ops | S Sale | 1,199 | $92.89 | $111,375 |
| Feb 27, 2026 | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | S Sale | 1,591 | $92.91 | $147,820 |
| Feb 26, 2026 | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | A Award | 4,598 | Not measured | Not measured |
The full Form 4 history is on the CWST company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.