CLH - Clean Harbors Inc

Insider Purchase by Battles Michael Louis (CO-CEO)

1 Year
After Trade
Before Trade

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Trade Summary

6 months ago, Battles Michael Louis, serving as CO-CEO at Clean Harbors Inc (CLH), purchased 2,000 shares at $233.50 per share, for a total transaction value of $467,000.00. Following this transaction, Battles Michael Louis now holds 82,911 shares of CLH.

This purchase represents a 2.00% increase in Battles Michael Louis's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Friday, August 1, 2025 and publicly disclosed via SEC Form 4 filing on Monday, August 4, 2025, 3 days after the trade was made.

Clean Harbors Inc operates in the INDUSTRIALS sector, specifically within the WASTE MANAGEMENT industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Battles Michael Louis

CO-CEO

Michael Louis Battles is the Co-Chief Executive Officer of Clean Harbors Inc. (CLH), a leading North American provider of environmental and industrial services based in Norwell, Massachusetts.[[1]](https://www.gurufocus.com/insider/19294/michael-louis-battles)[[2]](https://www.zoominfo.com/p/Michael-Battles/1007475074)[[4]](https://www.wastetodaymagazine.com/news/clean-harbors-adds-co-ceos-to-board-of-directors/) He owns approximately 82,911 shares of CLH stock, valued at over $21 million as of 2026.[[1]](https://www.gurufocus.com/insider/19294/michael-louis-battles) Battles joined Clean Harbors in September 2013 as Senior Vice President, Corporate Controller, and Chief Accounting Officer, was promoted to Executive Vice President and Chief Financial Officer in January 2016, and elevated to Co-CEO in 2023.[[2]](https://www.zoominfo.com/p/Michael-Battles/1007475074)[[4]](https://www.wastetodaymagazine.com/news/clean-harbors-adds-co-ceos-to-board-of-directors/) In these roles, he has overseen finance operations, including debt raises, strategic initiatives, and operational aspects.[[4]](https://www.wastetodaymagazine.com/news/clean-harbors-adds-co-ceos-to-board-of-directors/) Prior to Clean Harbors, Battles spent 12 years at PerkinElmer Inc. (NYSE: PKI) in senior financial positions, culminating as Vice President and CFO of its Human Health business and Chief Accounting Officer.[[2]](https://www.zoominfo.com/p/Michael-Battles/1007475074)[[4]](https://www.wastetodaymagazine.com/news/clean-harbors-adds-co-ceos-to-board-of-directors/) Earlier, he held senior manager roles in accounting and auditing at Deloitte & Touche LLP from 1990 to 2001.[[2]](https://www.zoominfo.com/p/Michael-Battles/1007475074) He holds a Bachelor of Science in business administration with a concentration in accounting from the University of Vermont and is a Certified Public Accountant (CPA).[[2]](https://www.zoominfo.com/p/Michael-Battles/1007475074)[[4]](https://www.wastetodaymagazine.com/news/clean-harbors-adds-co-ceos-to-board-of-directors/) Battles also serves on the board of directors of Casella Waste Systems.[[2]](https://www.zoominfo.com/p/Michael-Battles/1007475074)[[4]](https://www.wastetodaymagazine.com/news/clean-harbors-adds-co-ceos-to-board-of-directors/) Recently, he joined Clean Harbors' board as a Class III director and has engaged in insider trading, including a purchase of 2,000 shares worth $467,000 in August 2025.[[3]](https://www.secform4.com/insider-trading/1379357.htm)[[4]](https://www.wastetodaymagazine.com/news/clean-harbors-adds-co-ceos-to-board-of-directors/)[[5]](https://www.investing.com/news/insider-trading-news/clean-harbors-clh-coceo-battles-buys-467k-in-shares-93CH-4168643)

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Trade Price

$233.50

Quantity

2,000

Total Value

$467,000.00

Shares Owned

82,911

Trade Date

Friday, August 1, 2025

205 days ago

SEC Filing Date

Monday, August 4, 2025

Filed 3 days after trade

INDUSTRIALSWASTE MANAGEMENT

About Clean Harbors Inc

Company Overview

No company information available
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