Michael J. Twohig, EVP (CHESI) at CLEAN HARBORS INC (CLH), sold 5,549 shares at $56.03 ($311K) on 2012-08-22, disclosed to the SEC on 2012-08-23.
Open-market sale of $311k CLH by EVP (CHESI). Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| Filing → |
| CLH | SELL | 2021-03-17 | $805K | — | Filing → |
| CLH | SELL | 2019-12-27 | $217K | — | Filing → |
| CLH | SELL | 2018-09-07 | $587K | — | Filing → |