MCKIM ALAN S (CIK 1024547) reported 14 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-06). Recent activity: Sell CLH (1,343 shares), Sell CLH (1,265 shares), Sell CLH (100,000 shares), Sell CLH (100,000 shares), Sell CLH (10,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-06 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 1,343 | $390,464 |
| 2026-03-17 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 1,265 | $365,496 |
| 2026-03-05 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 100,000 | $29.3M |
| 2026-02-23 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 100,000 | $28.1M |
| 2026-02-23 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 10,000 | $0 |
| 2025-09-17 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 8,567 | $0 |
| 2025-09-17 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 4,283 | $0 |
| 2025-07-03 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 1,342 | $308,056 |
| 2025-06-06 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 41,844 | $9.4M |
| 2025-06-06 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 58,156 | $13.0M |
| 2025-03-18 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 1,265 | $244,018 |
| 2025-03-04 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 50,000 | $10.5M |
| 2025-03-04 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 2,999 | $635,848 |
| 2025-03-04 | CLEAN HARBORS INC (CLH) | EXEC CHAIR, CTO. | Sell | 28,073 | $0 |
Source: SEC Form 4 filings · as of 2026-07-06