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CLH
NYSE Energy & Transportation

Clean Harbors Executive Chair & CTO Sells $29.2M in Stock

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Waste & Environmental Stocks · Industrial
Sentiment info
Negative
Importance info
7
Price
$288.875
Mkt Cap
$15.285B
52W Low
$178.29
52W High
$298.12
52W Position info
62% above low
Off High info
3.1% below high
Rel. Volume info
0.2× avg
Market data snapshot near publication time

CLH sits 62% above its 52-week low of $178.29 on light trading volume (0.2× avg).

Summary

Alan S. McKim, Executive Chair and CTO of Clean Harbors, sold 100,000 shares of common stock for approximately $29.2 million in an open market transaction.


Key Events · Ownership and Investor Activity · CLH

  • Executive Sells Substantial Stock

    Alan S. McKim, Executive Chair and CTO, disposed of 100,000 shares of Clean Harbors common stock in an open market sale.

  • Significant Transaction Value

    The sale generated approximately $29.2 million, representing a material insider transaction.

  • Continues Insider Selling Trend

    This transaction contributes to a pattern of insider distribution, with net insider selling of over $30 million in the last 90 days.


Analysis · CLH · Energy & Transportation

This significant open market sale by Alan S. McKim, a top executive and director, signals a notable reduction in his direct holdings. The transaction value of over $29 million is substantial, representing a material insider disposition. This sale occurs while the stock is trading near its 52-week high, which could be interpreted as the insider taking profits. It also continues a recent pattern of insider distribution within the company, as indicated by the net insider selling over the last 90 days. Investors should note the ongoing insider selling trend from key personnel.

At the time of this filing, CLH was trading at $288.88 on NYSE in the Energy & Transportation sector, with a market capitalization of approximately $15.3B. The 52-week trading range was $178.29 to $298.12. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.

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CLH - Latest Insights

CLH
Jul 29, 2026, 10:56 AM EDT
Filing Type: 10-Q
Importance Score:
9
Price at Filing: $322.74
Real-time Price: $324.55 info
Change: +$1.81 (+0.56%) info
Market Cap: $17.151B info
CLH
Jul 29, 2026, 8:07 AM EDT
Filing Type: 8-K
Importance Score:
9
Price at Filing: $320.00
Real-time Price: $324.55 info
Change: +$4.55 (+1%) info
Market Cap: $17.151B info
CLH
May 20, 2026, 4:34 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $291.40
Real-time Price: $324.55 info
Change: +$33.15 (+11%) info
Market Cap: $17.151B info
CLH
May 14, 2026, 10:55 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $305.90
Real-time Price: $324.55 info
Change: +$18.65 (+6%) info
Market Cap: $17.151B info
CLH
May 14, 2026, 8:30 AM EDT
Source: Dow Jones Newswires
Importance Score:
7
Price at Filing: $302.95
Real-time Price: $324.55 info
Change: +$21.60 (+7%) info
Market Cap: $17.151B info