Alan S. McKim, Executive CHAIR, CTO at CLEAN HARBORS INC (CLH), sold 123,800 shares at $139.60 ($17.2M) on 2023-05-15, disclosed to the SEC on 2023-05-17.
Seasonal sale ($17.2M) by Executive CHAIR, CTO — this insider has traded CLH in May in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $139.60 | 16,200 | $2.3M | 13.1% |
| 2 | $139.02 | 53,800 | $7.5M | 43.4% |
| 3 | $139.02 | 53,800 | $7.5M | 43.4% |
| Total | $139.10 avg | 123,800 | $17.2M | 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 → |