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CLHNYSE
CLEAN HARBORS INC
Hazardous Waste Management · MA · CIK 822818
Clean Harbors provides environmental and industrial services, including waste management, recycling, and parts cleaning
red 8-K · 90d
$15.21B
Market cap
$299.80
Last close
-0.6%
1D
+3.6%
5D
410K
Volume
Price · last 39 sessions-3.4%
May 4L $275.99 · H $313.70Jun 29
133
Total filings
May 20, 2026
Last filing
12/31
Fiscal year end
DEFA14ADEFA14AApr 10, 2026DEFA14ADEFA14AApr 11, 2025DEFA14ADEFA14AApr 10, 2024DEFA14ADEFA14AApr 13, 2023DEFA14ADEFA14AApr 14, 2022DEFA14ADEFA14AApr 28, 2021DEFA14ADEFA14AApr 24, 2020DEFA14ADEFA14AApr 24, 2019DEFA14ADEFA14AApr 25, 2018
Insider Activity
In the 90 days to Mar 18, 2026: 7 sold $62.0M.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 18, 2026 | Gerstenberg Eric WCO-CEO | Sell | 1,000 | $293.00 | $293K |
| Mar 18, 2026 | Reed Marcy L.Director | Sell | 836 | $287.94 | $241K |
| Mar 17, 2026 | Weber Brian PEVP (CHESI) | Sell | 4,683 | $293.39 | $1.4M |
| Mar 4, 2026 | Mckim Alan SEXEC CHAIR, CTO. | Sell | 100,000 | $292.65 | $29.3M |
| Feb 23, 2026 | Gerstenberg Eric WCO-CEO | Sell | 2,500 | $279.86 | $700K |
| Feb 20, 2026 | Gabriel Sharon M.EVP/CIO (CHESI) | Sell | 3,540 | $282.07 | $999K |
| Feb 20, 2026 | Dugas Eric J.EVP CHIEF FINANCIAL OFFICER | Sell | 2,788 | $281.31 | $784K |
| Feb 19, 2026 | Mckim Alan SEXEC CHAIR, CTO. | Sell | 100,000 | $281.14 | $28.1M |
| Feb 19, 2026 | Welch John R.Director | Sell | 750 | $273.07 | $205K |
| Dec 16, 2025 | Gerstenberg Eric WCO-CEO | Sell | 601 | $240.90 | $145K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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