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CLH insider trading

CLEAN HARBORS INC — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
3
Bought · 24 mo
$804k
Buys · last 90 days
0 · $0
Most recent buy
2026-05-14

Recent insider filings

FiledInsiderTypeSharesPriceValue
2026-05-14Polito Karyn
Director
Bought460$295.13$136k
2026-03-17Weber Brian P
EVP (CHESI)
Sold4,683$293.39$1.4M
2026-03-05MCKIM ALAN S
EXEC CHAIR, CTO.
Sold100,000$292.65$29.3M
2026-02-23MCKIM ALAN S
EXEC CHAIR, CTO.
Sold100,000$281.14$28.1M
2025-08-04Battles Michael Louis
CO-CEO
Bought2,000$233.50$467k
2025-06-09GERSTENBERG ERIC W
CO-CEO
Sold8,076$225.23$1.8M
2025-06-06MCKIM ALAN S
EXEC CHAIR, CTO.
Sold100,000$224.47$22.4M
2025-03-11Dugas Eric J.
EVP CHIEF FINANCIAL OFFICER
Bought1,050$191.38$201k
2025-03-04MCKIM ALAN S
EXEC CHAIR, CTO.
Sold50,000$210.18$10.5M
2024-11-18GERSTENBERG ERIC W
CO-CEO
Sold6,051$250.42$1.5M
2024-09-17Battles Michael Louis
CO-CEO
Sold10,000$245.74$2.5M

Most active insider buyers

InsiderRoleBuysTotal bought
Battles Michael LouisCO-CEO1$467k
Dugas Eric J.EVP CHIEF FINANCIAL OFFICER1$201k
Polito KarynDirector1$136k

See CLH on the chart

Every insider buy and sell for CLH plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.