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How asset managers voted at Clean Harbors, Inc.’s shareholder meetings, one page per proxy season, compiled from the votes funds and managers report on SEC Form N-PX and the company’s own results on Form 8-K.
| Season | Filed as | Ballot items | Asset managers |
|---|---|---|---|
| 2025-2026 | Clean Harbors, Inc. | 6 | 543 |
| 2024-2025 | Clean Harbors, Inc. | 7 | 515 |
| 2023-2024 | CLEAN HARBORS INC. | 7 | 484 |
Earlier seasons list this company under the name CLEAN HARBORS INC., as its holders filed it.
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The seasons are grouped by the issuer number in the company’s CUSIP, not by its name. Ticker as listed by the SEC on October 13, 2026. This page is rebuilt weekly; built October 13, 2026.