Eric W. Gerstenberg, CO-CEO at CLEAN HARBORS INC (CLH), sold 2,500 shares at $279.86 ($700K) on 2026-02-23, disclosed to the SEC on 2026-08-14.
Seasonal sale ($700k) by CO-CEO — this insider has traded CLH in February in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| CLH | SELL | 2025-12-17 | $290K | — | Filing → |
| CLH | SELL | 2025-06-09 | $3.6M | — | Filing → |
| CLH | SELL | 2024-11-18 | $3.0M | — | Filing → |