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CLH
NYSE Energy & Transportation

Founder Alan S. McKim to Retire as Executive Chairman and CTO

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Waste & Environmental Stocks · Industrial
Sentiment info
Neutral
Importance info
8
Price
$291.4
Mkt Cap
$15.399B
52W Low
$201.34
52W High
$316.98
52W Position info
45% above low
Off High info
8.1% below high
Rel. Volume info
0.9× avg
Market data snapshot near publication time

CLH sits 45% above its 52-week low of $201.34.

Summary

Clean Harbors announced the planned retirement of its founder, Alan S. McKim, from his Executive Chairman and CTO roles, signaling a significant leadership transition towards an independent board.


Key Events · Executive and Board Changes · CLH

  • Founder's Retirement Announced

    Alan S. McKim, who founded Clean Harbors in 1980, will retire from his positions as Executive Chairman of the Board and Chief Technology Officer.

  • Planned Leadership Transition

    His retirement is effective upon the Board's appointment of a new independent Chairman, which is anticipated to occur in the summer of 2026 as part of a planned leadership transition.

  • Amicable Departure

    The company explicitly stated that Mr. McKim's decision to retire does not stem from any disagreement with the company's operations, policies, or practices.


Analysis · CLH · Energy & Transportation

Alan S. McKim, who founded Clean Harbors in 1980, will retire from his roles as Executive Chairman and Chief Technology Officer in summer 2026. This marks a significant leadership transition for the company, moving towards an independent Chairman. The company stated the retirement is part of a planned transition and not due to any disagreements, aiming for a smooth handover.

At the time of this filing, CLH was trading at $291.40 on NYSE in the Energy & Transportation sector, with a market capitalization of approximately $15.4B. The 52-week trading range was $201.34 to $316.98. This filing was assessed with neutral market sentiment and an importance score of 8 out of 10.

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CLH - Latest Insights

CLH
May 14, 2026, 10:55 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $305.90
Real-time Price: $312.48 info
Change: +$6.58 (+2%) info
Market Cap: $16.048B info
CLH
May 14, 2026, 8:30 AM EDT
Source: Dow Jones Newswires
Importance Score:
7
Price at Filing: $302.95
Real-time Price: $312.48 info
Change: +$9.53 (+3%) info
Market Cap: $16.048B info
CLH
May 06, 2026, 10:55 AM EDT
Filing Type: 10-Q
Importance Score:
7
Price at Filing: $287.72
Real-time Price: $312.48 info
Change: +$24.76 (+9%) info
Market Cap: $16.048B info
CLH
May 06, 2026, 8:12 AM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $313.70
Real-time Price: $312.48 info
Change: -$1.22 (-0.39%) info
Market Cap: $16.048B info
CLH
May 06, 2026, 7:30 AM EDT
Source: Reuters
Importance Score:
7
Price at Filing: $313.70
Real-time Price: $312.48 info
Change: -$1.22 (-0.39%) info
Market Cap: $16.048B info