Clean Harbors' Founder Parted With 1,265 Shares. He Still Holds Over 2 Million

Clean Harbors founder Alan McKim sold 1,265 shares worth $393,000 on July 17, 2026, to cover tax withholding obligations from vesting equity awards. McKim retains over 2.2 million shares worth $702.7 million through various trusts. The transaction is a routine tax event and does not indicate a change in McKim's outlook. Clean Harbors reported strong Q1 2026 results with record revenue of $1.46 billion and improved margins, with the company raising guidance.