Sharon M. Gabriel, EVP/CIO (CHESI) at CLEAN HARBORS INC (CLH), sold 3,540 shares at $282.07 ($999K) on 2026-02-20, disclosed to the SEC on 2026-02-20.
Seasonal sale ($999k) by EVP/CIO (CHESI) — this insider has traded CLH in February in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| CLH | SELL | 2023-04-04 | $28K | — | Filing → |
| CLH | SELL | 2023-03-17 | $36K | — | Filing → |
| CLH | SELL | 2023-03-13 | $1.1M | — | Filing → |