Andrea Robertson, Director at CLEAN HARBORS INC (CLH), sold 789 shares at $314.01 ($248K) on 2026-08-03, disclosed to the SEC on 2026-08-03.
Seasonal sale ($248k) by Director — this insider has traded CLH in August in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| CLH | SELL | 2023-08-08 | $406K | — | Filing → |
| CLH | SELL | 2022-08-08 | $233K | — | Filing → |
| CLH | SELL | 2022-02-28 | $95K | — | Filing → |