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Clean Harbors, Inc.

Clean Harbors, Inc.

CLH
NYSEIndustrials

Insider Trading for CLH

View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.

Insider Trading Summary

Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)

Acquisitions: 0 shares
Dispositions: 2.1K shares
Net: -2.1K shares

Insiders have been net sellers recently, which could indicate concerns about current valuation or short-term outlook.

Quarterly Activity (3 Months)

Acquisitions: 6.5K shares
Dispositions: 9.5K shares
Net: -3.0K shares

Insiders have been net sellers over the quarter, which institutional investors may view as a cautionary signal.

Net Insider Flow Over Time

Daily net shares acquired vs disposed · CLH

Net buyingNet selling

Acquisition vs Disposition

Share volume in the current dataset

Shares acquired73.7K
Shares disposed288.3K
Net position-214.7K

Transaction Types

Breakdown by SEC transaction code

Payment In Kind38
Award/Grant29
Sale13
D-Return9
Gift8
Purchase2
Unknown1

Activity by Insider Role

Net share movement grouped by reporting role

Executives
11 insiders
-216.7K
net shares
+66.2K bought-282.9K sold
Directors
10 insiders
+2.0K
net shares
+7.4K bought-5.4K sold

Key Insider Activity

Jul 1, 2025 to Aug 3, 2026
MCKIM ALAN S
ExecutiveChief Technology Officer
Active: Sep 16, 2025 – Jul 17, 2026· Last filing: Jul 17, 2026
-226.7K shares
-$58.5M est. value
8 transactions
Recent transactions
Jul 17, 2026Payment In Kind
-1.3K sh$392.9K
Jul 1, 2026Payment In Kind
-1.3K sh$390.5K
Mar 13, 2026Payment In Kind
-1.3K sh$365.5K
Mar 4, 2026Sale
-100.0K sh$29.3M
Feb 19, 2026Sale
-100.0K sh$28.1M

Insider #2 profile and transactions — Pro, Premium, or Enterprise

Insider #3 profile and transactions — Pro, Premium, or Enterprise

Insider #4 profile and transactions — Pro, Premium, or Enterprise

Insider #5 profile and transactions — Pro, Premium, or Enterprise

Free accounts see the top insider only. Upgrade to unlock all 5 key insiders and full transaction history.

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Transaction Details

DateInsiderRoleTransactionSharesPriceValueOwned AfterSEC Filing
Aug 3, 2026Robertson AndreaDDirectorSale789$314.01$247,753.899.0KView
Jul 17, 2026MCKIM ALAN SEChief Technology OfficerPayment In Kind1.3K$310.58$392,883.7030.2KView
Jul 1, 2026Battles Michael LouisEChief Executive OfficerPayment In Kind1.0K$290.74$300,043.6894.4KView
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Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.

Executive Activity:

Executives have been net sellers of CLH stock, though this may be part of planned diversification.