GERSTENBERG ERIC W 4

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 sold at $279.86 each for a total value of $699,650. This was a sale (transaction code S), which is commonly routine insider selling and not by itself an indicator of company outlook.

Key Details

• Transaction date: 2026-02-23 (reported on Form 4 filed 2026-02-24) — filing appears timely.
• Price and size: 2,500 shares at $279.86 per share, total proceeds $699,650.
• Shares owned after transaction: Not specified in the provided filing details.
• Footnotes/plan: No 10b5-1 plan, tax withholding, or other special footnotes were indicated in the provided summary.
• Transaction type: Open-market sale (S).

Context Insider sales can be for many reasons (diversification, liquidity needs, tax planning) and are more common than purchases. For retail investors, purchases tend to be more informative about insider confidence; a single routine sale like this is a data point but not definitive evidence of company performance.