Eric W. Gerstenberg, CO-CEO at CLEAN HARBORS INC (CLH), sold 1,202 shares at $240.90 ($290K) on 2025-12-16, disclosed to the SEC on 2025-12-17.
Seasonal sale ($290k) by CO-CEO — this insider has traded CLH in December in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $240.90 | 601 | $145K | 50.0% |
| 2 | $240.90 | 601 | $145K | 50.0% |
| Total | $240.90 avg | 1,202 | $290K | 100% |
| Filing → |
| CLH | SELL | 2026-03-19 | $293K | — | Filing → |
| CLH | SELL | 2025-06-09 | $3.6M | — | Filing → |
| CLH | SELL | 2024-11-18 | $3.0M | — | Filing → |