Updated Jul 16, 2026
MCKIM ALAN S has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $79.83M.

Alan S. McKim is the Executive Chairman and Chief Technology Officer of Clean Harbors Inc, a leading provider of environmental and industrial services. He has played a significant role in the company's growth and innovation in sustainability solutions.
| Role | Insider |
|---|---|
| Notability | 50/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-06 | CLH | CLEAN HARBORS INC | F — Tax withholding / forfeiture | 1.3K | $290.74 | $390K |
| 2026-03-17 | CLH | CLEAN HARBORS INC | F — Tax withholding / forfeiture | 1.3K | $288.93 | $365K |
| 2026-03-05 | CLH | CLEAN HARBORS INC | S — Open-market sale | 100.0K | $292.65 | $29.26M |
| 2026-02-23 | CLH | CLEAN HARBORS INC | G — Bona-fide gift | 10.0K | $0.00 | |
| 2026-02-23 | CLH | CLEAN HARBORS INC | S — Open-market sale | 100.0K | $281.14 | $28.11M |
| 2025-09-16 | CLH | CLEAN HARBORS INC | G — Bona-fide gift | 4.3K | $0.00 | |
| 2025-09-16 | CLH | CLEAN HARBORS INC | G — Bona-fide gift | 8.6K | $0.00 | |
| 2025-07-01 | CLH | CLEAN HARBORS INC | F — Tax withholding / forfeiture | 1.3K | $229.55 | $308K |
| 2025-06-04 | CLH | CLEAN HARBORS INC | S — Open-market sale | 58.2K | $223.80 | $13.02M |
| 2025-06-04 | CLH | CLEAN HARBORS INC | S — Open-market sale | 41.8K | $225.40 | $9.43M |
| 2024-11-19 | CLH | CLEAN HARBORS INC | G — Bona-fide gift | 15.0K | $0.00 | |
| 2024-11-19 | CLH | CLEAN HARBORS INC | G — Bona-fide gift | 7.2K | $0.00 |
Alan S. McKim is the Executive Chairman and Chief Technology Officer of Clean Harbors Inc, a leading provider of environmental and industrial services. He has played a significant role in the company's growth and innovation in sustainability solutions.…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 4 open-market sales ($79.83M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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