SEC Form 4 · Updated Daily
CWST
— CASELLA WASTE SYSTEMS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| CASELLA JOHN W | Director · Officer | 170,200 | 2026-06-01 | G |
| Coletta Edmond | Officer | 146,618 | 2026-05-19 | S |
| Johnson Edwin D | Officer | 121,252 | 2022-06-03 | M |
| CASELLA DOUGLAS R | Director · Officer | 104,803 | 2026-08-13 | S |
| LARKIN PAUL | Officer | 89,698 | 2012-07-09 | S |
| PETERS GREGORY B | Director | 77,562 | 2020-03-02 | S |
| CHAPPLE JOHN F IIII | Director | 76,082 | 2014-10-07 | A |
| McMANUS JAMES P | Director | 75,082 | 2014-10-07 | A |
| DUFFY SEAN P | Officer | 70,756 | 2009-09-25 | S |
| OLIVER BRIAN | Officer | 68,500 | 2009-03-16 | A |
| CALLAHAN JAMES F JR | Director | 42,006 | 2021-06-02 | A |
| Heald Christopher | Officer | 38,704 | 2022-03-15 | S |
| Sayward Shelley E. | Officer | 28,860 | 2026-03-12 | A |
| SCHMITT DAVID L | Officer | 22,554 | 2020-03-12 | A |
| SIMMONS GARY R | Officer | 22,027 | 2009-06-30 | J |
| HANLEY WILLIAM | Officer | 20,000 | 2009-03-09 | A |
| CRETNEY TIMOTHY A | Officer | 19,333 | 2008-09-12 | M |
| Ligon Paul | Officer | 18,347 | 2025-08-04 | S |
| OCONNOR JAMES E | Director | 17,141 | 2020-08-24 | S |
| Green Emily Nagle | Director | 16,902 | 2026-06-08 | G |
| Quinn John S | Officer | 16,382 | 2009-07-06 | F |
| BOHLIG JAMES W | Director · Officer | 15,907 | 2010-06-24 | S |
| LACKEY LARRY B | Officer | 15,000 | 2007-01-16 | M |
| BURKE MICHAEL K | Director | 13,641 | 2026-09-03 | S |
| DOODY JOSEPH | Director | 13,143 | 2026-06-04 | A |
| Battles Michael Louis | Director | 10,289 | 2026-06-04 | A |
| VIANI MICHAEL J | Officer | 10,000 | 2007-01-12 | M |
| SABINO ALAN N | Officer | 10,000 | 2006-03-22 | M |
| Kirk Rose M. | Director | 9,835 | 2026-06-04 | A |
| Steves Sean | Officer | 9,572 | 2026-03-12 | S |
| Massaro Paul | Officer | 9,491 | 2010-12-31 | J |
| GORMLEY GERALD P | Officer | 9,077 | 2009-06-30 | J |
| Sova Gary | Director | 8,204 | 2026-06-04 | A |
| HULLIGAN WILLIAM P | Director | 8,161 | 2026-06-04 | A |
| Drohan Kevin | Officer | 8,013 | 2026-03-12 | A |
| Helgeson Bradford John | Officer | 7,747 | 2026-03-12 | A |
| BRENNAN MICHAEL J | Officer | 6,574 | 2005-12-31 | J |
| WALLGREN DONALD A | Officer | 5,600 | 2008-12-31 | J |
| DESROCHES CHRISTOPHER M | Officer | 2,938 | 2009-06-30 | J |
| REIBSANE ERIC J | Officer | 2,000 | 2009-03-09 | A |
| Rains Christopher Alan | Officer | 989 | 2026-03-16 | A |
| PEELER D RANDOLPH | Director | 0 | 2007-10-02 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-03 | BURKE MICHAEL K | Open-market sale | 1,100 | $95.26 | 13,641 |
| 2026-08-26 | BURKE MICHAEL K | Open-market sale | 1,100 | $92.99 | 14,741 |
| 2026-08-14 | CASELLA DOUGLAS R | Open-market sale | 1,343 | $91.12 | 90,141 |
| 2026-08-13 | CASELLA DOUGLAS R | Open-market sale | 13,319 | $91.07 | 91,484 |
| 2026-08-13 | CASELLA DOUGLAS R | Open-market sale | 1,838 | $90.89 | 104,803 |
| 2026-08-11 | Ribar Damian Andrew | Grant / award (derivative) | 25,000 | $0.00 | 25,000 |
| 2026-06-08 | Green Emily Nagle | Gift | 600 | $0.00 | 16,902 |
| 2026-06-04 | Kirk Rose M. | Grant / award | 1,793 | $83.65 | 9,835 |
| 2026-06-04 | DOODY JOSEPH | Grant / award | 1,793 | $83.65 | 13,143 |
| 2026-06-04 | HULLIGAN WILLIAM P | Grant / award | 1,793 | $83.65 | 8,161 |
| 2026-06-04 | Sova Gary | Grant / award | 1,793 | $83.65 | 8,204 |
| 2026-06-04 | Green Emily Nagle | Grant / award | 1,793 | $83.65 | 17,502 |
| 2026-06-04 | Battles Michael Louis | Grant / award | 1,793 | $83.65 | 10,289 |
| 2026-06-04 | BURKE MICHAEL K | Grant / award | 1,793 | $83.65 | 15,841 |
| 2026-06-04 | CASELLA DOUGLAS R | Grant / award | 1,793 | $83.65 | 106,641 |
| 2026-06-01 | CASELLA JOHN W | Gift | 30,800 | $0.00 | 167,800 |
| 2026-06-01 | CASELLA JOHN W | Gift | 30,800 | $0.00 | 26,300 |
| 2026-06-01 | CASELLA JOHN W | Gift | 36,200 | $0.00 | 170,200 |
| 2026-06-01 | CASELLA JOHN W | Gift | 36,200 | $0.00 | 129,800 |
| 2026-05-26 | BURKE MICHAEL K | Open-market sale | 2,305 | $87.56 | 14,048 |
| 2026-05-19 | Coletta Edmond | Open-market sale | 4,907 | $90.07 | 140,118 |
| 2026-05-19 | Coletta Edmond | Open-market sale | 1,593 | $90.00 | 145,025 |
| 2026-05-19 | Coletta Edmond | Open-market sale | 6,000 | $89.03 | 146,618 |
| 2026-03-18 | CASELLA DOUGLAS R | Gift | 40,000 | $0.00 | 177,000 |
| 2026-03-18 | CASELLA DOUGLAS R | Gift | 40,000 | $0.00 | 129,000 |
| 2026-03-18 | CASELLA DOUGLAS R | Gift | 40,000 | $0.00 | 171,000 |
| 2026-03-17 | CASELLA DOUGLAS R | Gift | 33,000 | $0.00 | 164,000 |
| 2026-03-17 | CASELLA DOUGLAS R | Gift | 33,000 | $0.00 | 24,100 |
| 2026-03-17 | CASELLA DOUGLAS R | Gift | 33,000 | $0.00 | 170,000 |
| 2026-03-16 | Helgeson Bradford John | Open-market sale | 405 | $87.73 | 7,342 |
| 2026-03-16 | Sayward Shelley E. | Open-market sale | 362 | $87.73 | 28,369 |
| 2026-03-16 | Steves Sean | Open-market sale | 197 | $87.80 | 9,375 |
| 2026-03-16 | Drohan Kevin | Open-market sale | 85 | $87.73 | 7,873 |
| 2026-03-16 | Coletta Edmond | Open-market sale | 988 | $87.81 | 152,618 |
| 2026-03-16 | CASELLA JOHN W | Open-market sale | 1,744 | $87.77 | 30,795 |
| 2026-03-16 | Rains Christopher Alan | Grant / award | 989 | $0.00 | 989 |
| 2026-03-12 | Helgeson Bradford John | Grant / award | 2,756 | $0.00 | 7,747 |
| 2026-03-12 | Sayward Shelley E. | Open-market sale | 129 | $89.71 | 28,731 |
| 2026-03-12 | Sayward Shelley E. | Grant / award | 1,654 | $0.00 | 28,860 |
| 2026-03-12 | Steves Sean | Open-market sale | 97 | $89.71 | 9,572 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.