Alan S. Mckim
CHRMN.OF BD, PRES. & CEO at Clean Harbors Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Clean Harbors Inc., 3 years.
Clean Harbors Inc.
Director · EXEC CHAIR, CTO.
Chief executive roles
Clean Harbors Inc.
· CHRMN.OF BD, PRES. & CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jul 17, 2026 | Clean Harbors Inc. | Shares withheld for tax | −1,265 | $310.58 | $392,884 |
| Jul 1, 2026 | Clean Harbors Inc. | Shares withheld for tax | −1,343 | $290.74 | $390,464 |
| Mar 13, 2026 | Clean Harbors Inc. | Shares withheld for tax | −1,265 | $288.93 | $365,496 |
| Mar 4, 2026 | Clean Harbors Inc. | Open-market sale | −100,000 | $292.65 | $29,265,000 |
| Feb 19, 2026 | Clean Harbors Inc. | Open-market sale | −100,000 | $281.14 | $28,114,000 |
| Feb 19, 2026 | Clean Harbors Inc. | Gift | −10,000 | — | — |
| Sep 16, 2025 | Clean Harbors Inc. | Gift | −8,567 | — | — |
| Sep 16, 2025 | Clean Harbors Inc. | Gift | −4,283 | — | — |
| Jul 1, 2025 | Clean Harbors Inc. | Shares withheld for tax | −1,342 | $229.55 | $308,056 |
| Jun 5, 2025 | Clean Harbors Inc. | Open-market sale | −58,156 | $223.80 | $13,015,313 |
| Jun 4, 2025 | Clean Harbors Inc. | Open-market sale | −41,844 | $225.40 | $9,431,638 |
| Mar 17, 2025 | Clean Harbors Inc. | Shares withheld for tax | −1,265 | $192.90 | $244,019 |
| Mar 3, 2025 | Clean Harbors Inc. | Open-market sale | −50,000 | $210.18 | $10,509,000 |
| Mar 3, 2025 | Clean Harbors Inc. | Open-market sale | −2,999 | $212.02 | $635,848 |
| Mar 3, 2025 | Clean Harbors Inc. | Gift | −28,073 | — | — |
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