Alan S. McKim, Executive CHAIR, CTO at CLEAN HARBORS INC (CLH), sold 34,906 shares at $178.37 ($6.2M) on 2023-12-20, disclosed to the SEC on 2023-12-22.
Seasonal sale ($6.2M) by Executive CHAIR, CTO — this insider has traded CLH in December in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $178.37 | 17,453 | $3.1M | 50.0% |
| 2 | $178.37 | 17,453 | $3.1M | 50.0% |
| Total | $178.37 avg | 34,906 | $6.2M | 100% |
| Filing → |
| CLH | SELL | 2025-06-06 | $44.9M | — | Filing → |
| CLH | SELL | 2025-03-04 | $11.8M | — | Filing → |
| CLH | SELL | 2024-06-13 | $10.8M | — | Filing → |