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CIK 0000822818 · Large accelerated filer

CLEAN HARBORS INC

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Ticker
CLH
Exchange
NYSE
Industry
Hazardous Waste Management
FY end
Dec 31
Incorporated
MA
Entity type
operating
EIN
042997780
Phone
781-792-5000
Business address
42 LONGWATER DRIVE, P.O. BOX 9149, NORWELL, MA, 02061-9149
Open-market buys, last 90 days
$39,354
in 1 filing
Open-market sales, last 90 days
$0
in 0 filings

Net +$39,354. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Polito Karyn +$39K Director 1 filing

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-06-05 MCKIM ALAN S EXEC CHAIR, CTO. Sale −58,156 $223.80 $13.0M 2,297,896
2025-06-05 Quirk Alison A. Director Sale −893 $223.69 $200K 2,978
2025-06-04 MCKIM ALAN S EXEC CHAIR, CTO. Sale −41,844 $225.40 $9.4M 2,356,052
2025-06-02 Dugas Eric J. EVP CHIEF FINANCIAL OFFICER Shares withheld for taxes −806 $226.79 $183K 19,901
2025-06-02 Diderich Jeroen EVP&President of Sales&Service Shares withheld for taxes −1,540 $226.79 $349K 13,772
2025-05-28 Welch John R. Director Sale −1,250 $228.51 $286K 11,402
2025-05-27 Speights Robert PRESIDENT, INDUSTRIAL SERVICES Sale −1,022 $228.49 $234K 16,310
2025-05-27 States Lauren Director Gift −130 11,741
2025-05-22 States Lauren Director Sale −836 $226.17 $189K 11,871
2025-05-21 Quirk Alison A. Director Grant or award +789 3,871
2025-05-21 Polito Karyn Director Grant or award +789 3,015
2025-05-21 States Lauren Director Grant or award +789 12,707
2025-05-21 Welch John R. Director Grant or award +789 12,652
2025-05-21 Stewart Shelley JR Director Grant or award +789 3,871

Page 7 of 7 · 134 trades