Clean Harbors (CLH) Co-CEO Eric W. Gerstenberg Sells 2,500 Shares

What Happened

• Eric W. Gerstenberg, Co-CEO of Clean Harbors, reported a sale of 2,500 shares on 2026-08-14. The shares were sold at $321.34 each, for a total transaction value of approximately $803,350. This was a sale (S) — commonly a routine liquidity event rather than a direct signal of company fundamentals.

Key Details

• Transaction date and price: 2026-08-14, 2,500 shares at $321.34 each.
• Total proceeds: ~ $803,350.
• Filing date: Form 4 filed 2026-08-18. This appears to be within the typical 2-business-day reporting window for Form 4s.
• Shares owned after transaction: Not disclosed in the provided filing.
• Footnotes or plans: No 10b5-1 plan, tax-withholding, gift, or other footnotes were noted in the information provided.

Context

• Sales by executives can be routine (diversification, tax planning, scheduled plans) and do not by themselves indicate a change in view on the company. For retail investors, purchases tend to be a stronger signal; this report documents insider liquidity rather than an accumulation.