Alan S. McKim, Executive CHAIR, CTO at CLEAN HARBORS INC (CLH), sold 100,000 shares at $292.65 ($29.3M) on 2026-03-04, disclosed to the SEC on 2026-03-05.
Seasonal sale ($29.3M) by Executive CHAIR, CTO — this insider has traded CLH in March in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| CLH | SELL | 2025-03-04 | $11.8M | — | Filing → |
| CLH | SELL | 2024-06-13 | $10.8M | — | Filing → |
| CLH | SELL | 2024-02-28 | $12.8M | — | Filing → |