Wellington Management Group Llp - Apr 30, 2025 SCHEDULE 13G/A Report for Clean Harbors, Inc. Common Stock (CLH)

Filing Manager
WELLINGTON MANAGEMENT GROUP LLP
Reporting Manager
Wellington Management Group LLP
Security
Clean Harbors, Inc. Common Stock
Symbol
CLH
Shares outstanding
53.3M shares
Disclosed Ownership
5.81M shares
Ownership
10.9%
Form type
SCHEDULE 13G/A
Date filed
5/7/2025, 10:02 AM
Date of event
Apr 30, 2025
Previous filing
May 7, 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Wellington Management Group LLP 10.9% 5.81M 0 4.87M Taisia Lowe Regulatory Analyst
Wellington Group Holdings LLP 10.9% 5.81M 0 4.87M Taisia Lowe Regulatory Analyst
Wellington Investment Advisors Holdings LLP 10.9% 5.81M 0 4.87M Taisia Lowe Regulatory Analyst
Wellington Management Company LLP 8.7% 5.81M 0 4.46M Taisia Lowe Regulatory Analyst