John T. Preston, Director at CLEAN HARBORS INC (CLHB), sold 6,000 shares at $63.07 ($378K) on 2008-03-18, disclosed to the SEC on 2008-03-19.
Open-market sale of $378k CLHB by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| CLH | SELL | 2023-03-03 | $506K | — | Filing → |
| CLH | SELL | 2022-08-09 | $242K | — | Filing → |
| CLH | SELL | 2021-03-02 | $1.0M | — | Filing → |