Michael J. Twohig, EVP (CHESI) at CLEAN HARBORS INC (CLH), sold 290 shares at $133.07 ($39K) on 2023-03-15, disclosed to the SEC on 2023-03-17.
Seasonal sale ($39k) by EVP (CHESI) — this insider has traded CLH in March in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| CLH | SELL | 2019-12-27 | $217K | — | Filing → |
| CLH | SELL | 2018-09-07 | $587K | — | Filing → |
| CLH | SELL | 2018-06-06 | $303K | — | Filing → |