As of April 28, 2026, the three largest insider holders of CWST are Douglas R Casella (Vice Chairman, Bd Of Directors, 494.10K shares), John W Casella (Chief Executive Officer, 494.00K shares), Edmond Coletta (President Ceo, 152.62K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Douglas R Casella | Vice Chairman, Bd Of Directors | 129,000 | 365,100 | 24 Mar, 2026 |
| John W Casella | Chief Executive Officer | 166,000 | 328,000 | 15 Nov, 2022 |
| Edmond Coletta | President Ceo | 152,618 | 0 | 16 Mar, 2026 |
| Edwin D Johnson | President Coo | 121,252 | 0 | 06 Jun, 2022 |
| Douglas R Casella | Vice Chairman, Bd Of Directors | 104,848 | 0 | 09 Dec, 2025 |
| Christopher Heald | Vp Chief Accounting Officer | 38,664 | 0 | 16 Mar, 2022 |
| John W Casella | Chief Executive Officer | 30,795 | 0 | 16 Mar, 2026 |
| Shelley E. Sayward | Senior Vp General Counsel | 28,369 | 0 | 16 Mar, 2026 |
| Paul Ligon | Sr Vp Of Sustainable Growth | 18,347 | 0 | 05 Aug, 2025 |
| Michael K Burke | - | 16,353 | 0 | 09 Jun, 2025 |
| Sean Steves | Sr Vp Coo Of Sw Ops | 9,375 | 0 | 16 Mar, 2026 |
| Michael Louis Battles | - | 8,496 | 0 | 09 Jun, 2025 |
| Rose M. Kirk | - | 8,042 | 0 | 09 Jun, 2025 |
| Kevin Drohan | Vp Chief Accounting Officer | 7,873 | 0 | 16 Mar, 2026 |
| Bradford John Helgeson | Executive Vp And Cfo | 7,342 | 0 | 16 Mar, 2026 |
| Gary Sova | - | 6,411 | 0 | 09 Jun, 2025 |
| Christopher Alan Rains | Sr. Vp Chief Revenue Officer | 989 | 0 | 17 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 18 Mar, 2026 | Douglas R Casella | Class B Common Stock | D | 40,000 | $0.00 | 129,000 | D | G |
| 18 Mar, 2026 | Douglas R Casella | Class B Common Stock | A | 40,000 | $0.00 | 177,000 | I | G |
| 17 Mar, 2026 | Douglas R Casella | Class B Common Stock | D | 33,000 | $0.00 | 24,100 | I | G |
| 17 Mar, 2026 | Douglas R Casella | Class B Common Stock | A | 33,000 | $0.00 | 164,000 | I | G |
| 16 Mar, 2026 | Christopher Alan Rains | Class A Common Stock | A | 989 | $0.00 | 989 | D | A |
| 12 Mar, 2026 | Edmond Coletta | Class A Common Stock | A | 6,892 | $0.00 | 153,983 | D | A |
| 12 Mar, 2026 | John W Casella | Class A Common Stock | A | 5,513 | $0.00 | 33,502 | D | A |
| 12 Mar, 2026 | Kevin Drohan | Class A Common Stock | A | 551 | $0.00 | 8,013 | D | A |
| 12 Mar, 2026 | Shelley E. Sayward | Class A Common Stock | A | 1,654 | $0.00 | 28,860 | D | A |
| 12 Mar, 2026 | Bradford John Helgeson | Class A Common Stock | A | 2,756 | $0.00 | 7,747 | D | A |
| 12 Mar, 2026 | Sean Steves | Class A Common Stock | D | 97 | $89.71 | 9,572 | D | S |
| 12 Mar, 2026 | John W Casella | Class A Common Stock | D | 963 | $90.06 | 32,539 | D | S |
| 12 Mar, 2026 | Kevin Drohan | Class A Common Stock | D | 55 | $89.52 | 7,958 | D | S |
| 16 Mar, 2026 | Sean Steves | Class A Common Stock | D | 197 | $87.80 | 9,375 | D | S |
| 12 Mar, 2026 | Edmond Coletta | Class A Common Stock | D | 377 | $89.80 | 153,606 | D | S |
| 12 Mar, 2026 | Shelley E. Sayward | Class A Common Stock | D | 129 | $89.71 | 28,731 | D | S |
| 16 Mar, 2026 | Bradford John Helgeson | Class A Common Stock | D | 405 | $87.73 | 7,342 | D | S |
| 16 Mar, 2026 | Shelley E. Sayward | Class A Common Stock | D | 362 | $87.73 | 28,369 | D | S |
| 16 Mar, 2026 | Edmond Coletta | Class A Common Stock | D | 988 | $87.81 | 152,618 | D | S |
| 16 Mar, 2026 | John W Casella | Class A Common Stock | D | 1,744 | $87.77 | 30,795 | D | S |