$90,000 of CLEAN HARBORS INC. lobbying was just disclosed, from Q2 of 2026, in a new Lobbying Disclosure Act filing.

This included lobbying on issues like:

"Encouraging support for various PFAS remediation technologies."

You can find more data on corporate lobbying on Quiver Quantitative.

CLH Congressional Stock Trading

Members of Congress have traded $CLH stock 3 times in the past 6 months. Of those trades, 1 have been purchases and 2 have been sales.

Here’s a breakdown of recent trading of $CLH stock by members of Congress over the last 6 months:

• REPRESENTATIVE APRIL MCCLAIN DELANEY has traded it 3 times. They made 1 purchase worth up to $50,000 on 02/23 and 2 sales worth up to $30,000 on 05/01, 04/30.

To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard. You can access data on congressional stock trades through the Quiver Quantitative API Congress trades endpoint.

CLH Insider Trading Activity

CLH insiders have traded $CLH stock on the open market 10 times in the past 6 months. Of those trades, 0 have been purchases and 10 have been sales.

Here’s a breakdown of recent trading of $CLH stock by insiders over the last 6 months:

• ALAN S MCKIM (EXEC CHAIR, CTO.) has made 0 purchases and 2 sales selling 200,000 shares for an estimated $57,379,000.
• BRIAN P WEBER (EVP (CHESI)) sold 4,683 shares for an estimated $1,373,945
• SHARON M. GABRIEL (EVP/CIO (CHESI)) sold 3,540 shares for an estimated $998,527
• ERIC W GERSTENBERG (CO-CEO) has made 0 purchases and 2 sales selling 3,500 shares for an estimated $992,650.
• ERIC J. DUGAS (EVP CHIEF FINANCIAL OFFICER) sold 2,788 shares for an estimated $784,292
• MARCY L. REED sold 836 shares for an estimated $240,717
• LAUREN STATES sold 789 shares for an estimated $225,803
• JOHN R. WELCH sold 750 shares for an estimated $204,802

To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.

CLH Hedge Fund Activity

We have seen 283 institutional investors add shares of CLH stock to their portfolio, and 223 decrease their positions in their most recent quarter.

Here are some of the largest recent moves:

• FMR LLC added 1,729,033 shares (+464.6%) to their portfolio in Q1 2026, for an estimated $495,765,632
• WELLINGTON MANAGEMENT GROUP LLP removed 1,605,504 shares (-31.0%) from their portfolio in Q1 2026, for an estimated $460,346,161
• D1 CAPITAL PARTNERS L.P. removed 1,443,601 shares (-51.9%) from their portfolio in Q1 2026, for an estimated $413,923,714
• GOLDMAN SACHS GROUP INC added 669,618 shares (+258.1%) to their portfolio in Q1 2026, for an estimated $191,999,569
• PICTET ASSET MANAGEMENT HOLDING SA removed 643,588 shares (-34.1%) from their portfolio in Q1 2026, for an estimated $184,535,987
• PALESTRA CAPITAL MANAGEMENT LLC removed 569,991 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $163,433,519
• NORDEA INVESTMENT MANAGEMENT AB removed 472,186 shares (-45.4%) from their portfolio in Q1 2026, for an estimated $135,389,891

To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.

CLH Analyst Ratings

Wall Street analysts have issued reports on $CLH in the last several months. We have seen 2 firms issue buy ratings on the stock, and 0 firms issue sell ratings.

Here are some recent analyst ratings:

• TD Cowen issued a "Buy" rating on 05/07/2026
• Needham issued a "Buy" rating on 01/20/2026

To track analyst ratings and price targets for CLH, check out Quiver Quantitative's $CLH forecast page.

CLH Price Targets

Multiple analysts have issued price targets for $CLH recently. We have seen 11 analysts offer price targets for $CLH in the last 6 months, with a median target of $325.0.

Here are some recent targets:

• William Grippin from Barclays set a target price of $305.0 on 07/09/2026
• Devin Dodge from BMO Capital set a target price of $342.0 on 07/08/2026
• Jon Windham from UBS set a target price of $315.0 on 05/14/2026
• Noah Kaye from Oppenheimer set a target price of $316.0 on 05/07/2026
• Jerry Revich from Wells Fargo set a target price of $313.0 on 05/07/2026
• James Schumm from TD Cowen set a target price of $335.0 on 05/07/2026
• James Ricchiuti from Needham set a target price of $325.0 on 05/06/2026

This article is not financial advice. See Quiver Quantitative's disclaimers for more information.

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