| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For CLH | |||||
| 2026-05-11 | Polito, Karyn | Director | Purchased | 460 | $295.13 |
| 2026-05-11 | Robertson, Andrea | Director | Sold | 342 | $0.00 |
| 2026-03-18 | Reed, Marcy L. | Director | Sold | 836 | $287.94 |
| 2026-03-18 | Gerstenberg, Eric W | CO-CEO | Sold | 1000 | $293.00 |
| 2026-03-17 | Weber, Brian P | EVP (CHESI) | Sold | 4683 | $293.39 |
| 2026-03-13 | Curtis, George L | EXEC. VICE PRESIDENT (CHESI) | Sold | 350 | $288.93 |
| 2026-03-13 | Dugas, Eric J. | EVP CHIEF FINANCIAL OFFICER | Sold | 1324 | $0.00 |
| 2026-03-13 | Gerstenberg, Eric W | CO-CEO | Sold | 977 | $288.93 |
| 2026-03-13 | Battles, Michael Louis | Director, CO-CEO | Sold | 1148 | $288.93 |
| 2026-03-13 | Battles, Michael Louis | Director, CO-CEO | Sold | 2166 | $0.00 |
| 2026-03-13 | Underwood, Rebecca | PRESIDENT & EVP FACILITIES | Sold | 1401 | $0.00 |
| 2026-03-13 | Dugas, Eric J. | EVP CHIEF FINANCIAL OFFICER | Sold | 630 | $288.93 |
| 2026-03-13 | Gabriel, Sharon M. | EVP/CIO (CHESI) | Sold | 727 | $288.93 |
| 2026-03-13 | Weber, Brian P | EVP (CHESI) | Sold | 960 | $288.93 |
| 2026-03-13 | Weber, Brian P | EVP (CHESI) | Sold | 1869 | $0.00 |
| 2026-03-13 | Harrison, Robert W. | EVP, EHS | Sold | 18 | $288.93 |
| 2026-03-13 | Harrison, Robert W. | EVP, EHS | Sold | 368 | $0.00 |
| 2026-03-13 | Geer, Charles H. Ii | EVP, Industrial Services | Sold | 139 | $0.00 |
| 2026-03-13 | Underwood, Rebecca | PRESIDENT & EVP FACILITIES | Sold | 125 | $288.93 |
| 2026-03-13 | Gerstenberg, Eric W | CO-CEO | Sold | 2166 | $0.00 |