InsiderFlow

CLH

Clean Harbors, Inc.$287.71+0.77 (+0.27%)
Prev Close$286.78·MCap$14.71B·P/E38.99·Vol357.0K·Yield

Buys (12M)

2

$602.8K

Sells (12M)

35

$38.72M

Net Activity

Net Seller

$38.12M

Active Insiders

17

last 12 mo

Over the past 12 months, insider activity at Clean Harbors, Inc. (CLH) has been dominated by selling, with 2 insider purchases totaling $602.8K and 35 insider sales totaling $38.72M. The most recent insider transaction was by States Lauren (director), who sold $225.8K worth of shares on May 27, 2026. Clean Harbors, Inc. operates in the Industrials sector, within the Waste Management industry, with a market cap of $14.71B.

CLH Insider Trading Activity

DateInsiderTypeValue
May 27, 2026 States LaurenSell$225.8K
May 14, 2026 Polito KarynBuy$135.8K
Mar 19, 2026 GERSTENBERG ERIC WSell$293.0K
Mar 19, 2026 Reed Marcy L.Sell$240.7K
Mar 17, 2026 Weber Brian PSell$1.37M
Feb 20, 2026 Dugas Eric J.Sell$784.3K
Feb 20, 2026 Gabriel Sharon M.Sell$998.5K
Feb 19, 2026 MCKIM ALAN SSell$28.11M
Feb 19, 2026 Welch John R.Sell$204.8K
Feb 2, 2026 CURTIS GEORGE LSell$64.7K
Feb 1, 2026 Battles Michael LouisSell$1.35M
Feb 1, 2026 Diderich JeroenSell$27.3K
Feb 1, 2026 Dugas Eric J.Sell$147.4K
Feb 1, 2026 Gabriel Sharon M.Sell$132.0K
Feb 1, 2026 Geer Charles H. IISell$51.2K
Feb 1, 2026 GERSTENBERG ERIC WSell$1.28M
Feb 1, 2026 Harrison Robert W.Sell$47.8K
Feb 1, 2026 Underwood RebeccaSell$110.5K
Feb 1, 2026 Weber Brian PSell$362.3K
Jan 2, 2026 Gabriel Sharon M.Sell$123.1K
Dec 16, 2025 GERSTENBERG ERIC WSell$144.8K
Dec 15, 2025 Geer Charles H. IISell$6.7K
Dec 15, 2025 Harrison Robert W.Sell$3.9K
Dec 15, 2025 Underwood RebeccaSell$12.3K
Dec 1, 2025 Harrison Robert W.Sell$27.9K
Nov 1, 2025 Geer Charles H. IISell$61.9K
Aug 1, 2025 Battles Michael LouisBuy$467.0K
Jul 31, 2025 Robertson AndreaSell$195.3K
Jul 1, 2025 Battles Michael LouisSell$351.7K
Jul 1, 2025 CURTIS GEORGE LSell$91.6K
Jul 1, 2025 Dugas Eric J.Sell$140.7K
Jul 1, 2025 Gabriel Sharon M.Sell$120.5K
Jul 1, 2025 GERSTENBERG ERIC WSell$129.5K
Jul 1, 2025 MCKIM ALAN SSell$308.1K
Jul 1, 2025 Underwood RebeccaSell$241.3K
Jul 1, 2025 Weber Brian PSell$260.8K
Jun 13, 2025 Weber Brian PSell$689.5K
Jun 6, 2025 GERSTENBERG ERIC WSell$1.82M
Jun 5, 2025 Quirk Alison A.Sell$199.8K
Jun 4, 2025 MCKIM ALAN SSell$22.45M
Jun 2, 2025 Diderich JeroenSell$349.3K
Jun 2, 2025 Dugas Eric J.Sell$182.8K
May 28, 2025 Welch John R.Sell$285.6K
May 27, 2025 Speights RobertSell$233.5K
May 21, 2025 States LaurenSell$189.1K
Mar 17, 2025 Battles Michael LouisSell$221.6K
Mar 17, 2025 CURTIS GEORGE LSell$67.7K
Mar 17, 2025 Dugas Eric J.Sell$121.7K
Mar 17, 2025 Gabriel Sharon M.Sell$128.7K
Mar 17, 2025 GERSTENBERG ERIC WSell$188.7K
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CLH Insider Buying Activity

The following table shows recent insider purchases of Clean Harbors, Inc. (CLH) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
May 14, 2026 Polito KarynBuy$135.8K
Aug 1, 2025 Battles Michael LouisBuy$467.0K

CLH Insider Selling Activity

The following table shows recent insider sales of Clean Harbors, Inc. (CLH) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
May 27, 2026 States LaurenSell$225.8K
Mar 19, 2026 GERSTENBERG ERIC WSell$293.0K
Mar 19, 2026 Reed Marcy L.Sell$240.7K
Mar 17, 2026 Weber Brian PSell$1.37M
Feb 20, 2026 Dugas Eric J.Sell$784.3K
Feb 20, 2026 Gabriel Sharon M.Sell$998.5K
Feb 19, 2026 MCKIM ALAN SSell$28.11M
Feb 19, 2026 Welch John R.Sell$204.8K
Feb 2, 2026 CURTIS GEORGE LSell$64.7K
Feb 1, 2026 Battles Michael LouisSell$1.35M
Feb 1, 2026 Diderich JeroenSell$27.3K
Feb 1, 2026 Dugas Eric J.Sell$147.4K
Feb 1, 2026 Gabriel Sharon M.Sell$132.0K
Feb 1, 2026 Geer Charles H. IISell$51.2K
Feb 1, 2026 GERSTENBERG ERIC WSell$1.28M
Feb 1, 2026 Harrison Robert W.Sell$47.8K
Feb 1, 2026 Underwood RebeccaSell$110.5K
Feb 1, 2026 Weber Brian PSell$362.3K
Jan 2, 2026 Gabriel Sharon M.Sell$123.1K
Dec 16, 2025 GERSTENBERG ERIC WSell$144.8K
Dec 15, 2025 Geer Charles H. IISell$6.7K
Dec 15, 2025 Harrison Robert W.Sell$3.9K
Dec 15, 2025 Underwood RebeccaSell$12.3K
Dec 1, 2025 Harrison Robert W.Sell$27.9K
Nov 1, 2025 Geer Charles H. IISell$61.9K
Jul 31, 2025 Robertson AndreaSell$195.3K
Jul 1, 2025 Battles Michael LouisSell$351.7K
Jul 1, 2025 CURTIS GEORGE LSell$91.6K
Jul 1, 2025 Dugas Eric J.Sell$140.7K
Jul 1, 2025 Gabriel Sharon M.Sell$120.5K
Jul 1, 2025 GERSTENBERG ERIC WSell$129.5K
Jul 1, 2025 MCKIM ALAN SSell$308.1K
Jul 1, 2025 Underwood RebeccaSell$241.3K
Jul 1, 2025 Weber Brian PSell$260.8K
Jun 13, 2025 Weber Brian PSell$689.5K
Jun 6, 2025 GERSTENBERG ERIC WSell$1.82M
Jun 5, 2025 Quirk Alison A.Sell$199.8K
Jun 4, 2025 MCKIM ALAN SSell$22.45M
Jun 2, 2025 Diderich JeroenSell$349.3K
Jun 2, 2025 Dugas Eric J.Sell$182.8K
May 28, 2025 Welch John R.Sell$285.6K
May 27, 2025 Speights RobertSell$233.5K
May 21, 2025 States LaurenSell$189.1K
Mar 17, 2025 Battles Michael LouisSell$221.6K
Mar 17, 2025 CURTIS GEORGE LSell$67.7K
Mar 17, 2025 Dugas Eric J.Sell$121.7K
Mar 17, 2025 Gabriel Sharon M.Sell$128.7K
Mar 17, 2025 GERSTENBERG ERIC WSell$188.7K

CLH Insiders

States Lauren

Director

Sold $1.19M
10 tradesLast: May 27, 2026
Polito Karyn

director

Bought $135.8K
1 tradesLast: May 14, 2026
GERSTENBERG ERIC W

officer: CO-CEO

Sold $17.10M
21 tradesLast: Mar 19, 2026
Reed Marcy L.

director

Sold $240.7K
1 tradesLast: Mar 19, 2026
Weber Brian P

officer: EVP (CHESI)

Sold $6.95M
21 tradesLast: Mar 17, 2026
Gabriel Sharon M.

EVP/CIO (CHESI)

Sold $3.35M
19 tradesLast: Feb 20, 2026
Dugas Eric J.

SVP FINANCE, CONTROLLER & CAO

Bought $200.9KSold $4.71M
22 tradesLast: Feb 20, 2026
Welch John R.

Director

Sold $490.4K
2 tradesLast: Feb 19, 2026
MCKIM ALAN S

EXEC CHAIR, CTO.

Sold $128.92M
20 tradesLast: Feb 19, 2026
CURTIS GEORGE L

EXEC. VICE PRESIDENT (CHESI)

Sold $703.8K
10 tradesLast: Feb 2, 2026
Harrison Robert W.

EVP, EHS

Sold $150.3K
8 tradesLast: Feb 1, 2026
Battles Michael Louis

EVP AND CFO

Bought $467.0KSold $8.98M
19 tradesLast: Feb 1, 2026
Geer Charles H. II

EVP, Industrial Services

Sold $119.8K
3 tradesLast: Feb 1, 2026
Diderich Jeroen

EVP&President of Sales&Service

Sold $376.5K
2 tradesLast: Feb 1, 2026
Underwood Rebecca

PRESIDENT & EVP FACILITIES

Sold $834.7K
9 tradesLast: Feb 1, 2026
Robertson Andrea

Director

Sold $699.0K
4 tradesLast: Jul 31, 2025
Quirk Alison A.

Director

Sold $199.8K
1 tradesLast: Jun 5, 2025
Speights Robert

PRESIDENT, INDUSTRIAL SERVICES

Sold $2.52M
12 tradesLast: May 27, 2025
PRESTON JOHN T

Director

Sold $1.23M
3 tradesLast: Mar 14, 2024
BANUCCI EUGENE G

Director

Sold $1.45M
2 tradesLast: Jun 9, 2023
McDuffie Melkeya

EVP, HUMAN RESOURCES OFFICER

Sold $30.7K
1 tradesLast: Mar 15, 2023
TWOHIG MICHAEL J

EVP (CHESI)

Sold $195.1K
5 tradesLast: Mar 15, 2023
Knapp Jeffrey Herbert

EVP - HR (CHESI)

Sold $18.9K
1 tradesLast: Nov 1, 2021
Marlin Rod

Director

Sold $659.2K
1 tradesLast: May 10, 2021