Eric W. Gerstenberg, President (Enviro. Services subs) at CLEAN HARBORS INC (CLH), sold 1,200 shares at $107.06 ($128K) on 2011-07-06, disclosed to the SEC on 2011-07-07.
Open-market sale of $128k CLH by President (Enviro. Services subs). Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| CLH | SELL | 2026-03-19 | $293K | — | Filing → |
| CLH | SELL | 2025-12-17 | $290K | — | Filing → |
| CLH | SELL | 2025-06-09 | $3.6M | — | Filing → |