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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
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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