Schedule 13G ownership disclosure

CLEAN HARBORS INC COM

Common Stock, par value $0.01 per share · CUSIP: 184496107

Event date: 2025-12-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares
Unavailable
Percent of class
Unavailable
  • D1 Capital Partners L.P.

    Shares: 2,781,882.00 · Class: 5.2%

  • Daniel Sundheim

    Shares: 2,781,882.00 · Class: 5.2%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.

Source: SEC EDGAR filing

Filing metadata

Accession number
0000902664-26-001042
Form type
SCHEDULE 13G
Filer
CLEAN HARBORS INC
CIK
CIK 822818
Filed
Feb 17, 2026
Reporting period
Dec 31, 2025
Description
Schedule 13G beneficial ownership

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