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4//SEC Filing

Welch John R. 4

Accession 0001415889-25-014778

CIK 0000822818other

View on SEC.gov Company Profile

Filed

May 28, 8:00 PM ET

Accepted

May 29, 8:42 AM ET

Size

4.5 KB

Accession

0001415889-25-014778

Insider Transaction Report

Form 4

Period: 2025-05-28

CLEAN HARBORS INCCLH

Director

Transactions

Sale
Common Stock
2025-05-28$228.51/sh−1,250$285,638→ 11,402 total

Documents

1 file

4
form4-05292025_120532.xmlPrimary

Issuer

CLEAN HARBORS INC

CIK 0000822818

Entity typeother

Related Parties

1

filerCIK 0001611303

Filing Metadata

Form type: 4
Filed: May 28, 8:00 PM ET
Accepted: May 29, 8:42 AM ET
Size: 4.5 KB

View on SEC.gov