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

What Happened

Eric W. Gerstenberg, Co-CEO of Clean Harbors, reported an open‑market sale of 2,500 shares on February 23, 2026. The shares were disposed at $279.86 each, for a total transaction value of $699,650. This filing is an amended Form 4 correcting previously reported information.

Key Details

• Transaction date: 2026-02-23
• Type: Sale (open market or private sale) — 2,500 shares at $279.86 per share; total ≈ $699,650
• Filing: Amended Form 4 filed 2026-08-14 (the amendment corrects the total number of shares held — Footnote F1)
• Shares owned after transaction: corrected in the amended filing (see Footnote F1 in the Form 4)
• Timeliness: The Form 4 was amended and filed months after the transaction date, indicating a late amendment to the original report

Context

Insider sales can be routine (for diversification, liquidity, tax reasons, etc.) and do not by themselves indicate a change in company fundamentals. Retail investors typically pay closer attention to insider purchases as a stronger signal of insider confidence. For full details, consult the amended Form 4 (Accession No. 0001211558-26-000012).