John R. Welch, Director at CLEAN HARBORS INC (CLH), sold 1,000 shares at $150.43 ($150K) on 2023-06-02, disclosed to the SEC on 2023-06-05.
Seasonal sale ($150k) by Director — this insider has traded CLH in June in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| CLH | SELL | 2021-08-09 | $545K | — | Filing → |