Eric W. Gerstenberg, CHIEF OPERATING OFFICER(CHESI) at CLEAN HARBORS INC (CLH), sold 976 shares at $133.07 ($130K) on 2023-03-15, disclosed to the SEC on 2023-03-17.
Seasonal sale ($130k) by CHIEF OPERATING OFFICER(CHESI) — this insider has traded CLH in March in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $133.07 | 488 | $65K | 50.0% |
| 2 | $133.07 | 488 | $65K | 50.0% |
| Total | $133.07 avg | 976 | $130K | 100% |
| Filing → |
| CLH | SELL | 2026-03-19 | $293K | — | Filing → |
| CLH | SELL | 2025-12-17 | $290K | — | Filing → |
| CLH | SELL | 2025-06-09 | $3.6M | — | Filing → |