D1 Capital Partners L.P. - 31 Dec 2025 SCHEDULE 13G Report for CLEAN HARBORS INC Common Stock, par value $0.01 per share (CLH)

Filing Manager
D1 Capital Partners L.P.
Reporting Manager
D1 Capital Partners L.P.
Security
CLEAN HARBORS INC Common Stock, par value $0.01 per share
Symbol
CLH
Shares outstanding
53,497,731 shares
Disclosed Ownership
2,781,882 shares
Ownership
5.2%
Form type
SCHEDULE 13G
Filing time
17 Feb 2026, 12:08:32 UTC
Date of event
31 Dec 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
D1 Capital Partners L.P. 5.2% 2,781,882 0 2,781,882 /s/ Amanda Hector Amanda Hector, General Counsel and Chief Compliance Officer
Daniel Sundheim 5.2% 2,781,882 0 2,781,882 /s/ Daniel Sundheim Daniel Sundheim, Individually