Form4insider filings, from the source

SEC Form 4/A · accession 0001211558-26-000014

CLEAN HARBORS INC · CLH

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

This is an amendment (Form 4/A). It replaces an earlier filing for the same period.
Reporting owner
Eric W Gerstenberg
Officer — CO-CEO
Period of report
Mar 13, 2026
Accepted (ET)
Aug 14, 2026 · 9:17 am EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000822818

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1,F2Mar 13, 2026F977$288.93D63,023D
Common StockF3,F2Mar 13, 2026D2,166$0.00D60,857D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses