Eric W. Gerstenberg, Chief Operating Officer at CLEAN HARBORS INC (CLH), sold 16,493 shares at $49.19 ($811K) on 2015-09-09, disclosed to the SEC on 2015-09-11.
Open-market sale of $811k CLH by Chief Operating Officer. 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 → |