Understand Stock

$CLH

$286.63 +$10.64 (3.86%)

Deep Research with AI Research

Overview

$CLH Overview Financials SEC Filings Executives News

Specialized Tools

Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

Michael Louis Battles

95,387 shares

Net: +2,239 B/S: ∞

JAMES M RUTLEDGE

89,210 shares

Net: 0 B/S: -

Brian P Weber

48,728 shares

Net: -9,911 B/S: 0.41

GEORGE L CURTIS

46,048 shares

Net: -3,026 B/S: -

Marvin G Lefebvre

45,394 shares

Net: 0 B/S: -

Deirdre Evens

39,324 shares

Net: 0 B/S: -

ERIC W GERSTENBERG

38,877 shares

Net: -10,528 B/S: 0.85

Eric A Kraus

33,108 shares

Net: 0 B/S: -

ALAN S MCKIM

32,762 shares

Net: -279,330 B/S: -

MICHAEL J TWOHIG

28,857 shares

Net: 0 B/S: -

THOMAS J SHIELDS

28,762 shares

Net: 0 B/S: -

JERRY ELMER CORRELL

28,458 shares

Net: 0 B/S: -

EDWARD G GALANTE

24,809 shares

Net: 0 B/S: -

Grace Cowan

22,914 shares

Net: 0 B/S: -

Kirk Duffee

21,654 shares

Net: 0 B/S: -

Sharon M. Gabriel

21,065 shares

Net: -5,153 B/S: 0.59

Rebecca Underwood

18,684 shares

Net: -540 B/S: ∞

Robert Speights

16,310 shares

Net: 0 B/S: -

Rod Marlin

14,427 shares

Net: 0 B/S: -

Eric J. Dugas

13,979 shares

Net: -2,856 B/S: 1.1

Mark G. Bouldin

13,839 shares

Net: 0 B/S: -

Jeroen Diderich

13,667 shares

Net: +3,036 B/S: ∞

DANIEL JAMES MCCARTHY

12,509 shares

Net: 0 B/S: -

DAVID M PARRY

11,544 shares

Net: 0 B/S: -

Lauren States

11,496 shares

Net: -245 B/S: -

Charles H. II Geer

10,839 shares

Net: +1,185 B/S: ∞

John R. Welch

10,237 shares

Net: -1,165 B/S: -

Melkeya McDuffie

10,094 shares

Net: 0 B/S: -

Stephen M. Mohan

10,000 shares

Net: 0 B/S: -

Andrea Robertson

9,458 shares

Net: -1,266 B/S: -

Robert Willett

9,376 shares

Net: 0 B/S: -

Robert A. Johnston

6,691 shares

Net: 0 B/S: -

Robert W. Harrison

6,648 shares

Net: +295 B/S: ∞

JOHN T PRESTON

6,392 shares

Net: 0 B/S: -

EUGENE G BANUCCI

5,598 shares

Net: 0 B/S: -

Marcy L. Reed

5,081 shares

Net: -836 B/S: -

David J. Vergo

4,783 shares

Net: 0 B/S: -

Shelley JR Stewart

3,871 shares

Net: 0 B/S: -

Karyn Polito

3,015 shares

Net: 0 B/S: -

Alison A. Quirk

2,978 shares

Net: -893 B/S: -

Eric R. Lindgren

2,902 shares

Net: 0 B/S: -

Jeffrey Herbert Knapp

2,853 shares

Net: 0 B/S: -

Christopher P. Melocik

1,733 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Michael Louis Battles	95,387	+2,239	∞
JAMES M RUTLEDGE	89,210	0	-
Brian P Weber	48,728	-9,911	0.41
GEORGE L CURTIS	46,048	-3,026	-
Marvin G Lefebvre	45,394	0	-
Deirdre Evens	39,324	0	-
ERIC W GERSTENBERG	38,877	-10,528	0.85
Eric A Kraus	33,108	0	-
ALAN S MCKIM	32,762	-279,330	-
MICHAEL J TWOHIG	28,857	0	-
THOMAS J SHIELDS	28,762	0	-
JERRY ELMER CORRELL	28,458	0	-
EDWARD G GALANTE	24,809	0	-
Grace Cowan	22,914	0	-
Kirk Duffee	21,654	0	-
Sharon M. Gabriel	21,065	-5,153	0.59
Rebecca Underwood	18,684	-540	∞
Robert Speights	16,310	0	-
Rod Marlin	14,427	0	-
Eric J. Dugas	13,979	-2,856	1.1
Mark G. Bouldin	13,839	0	-
Jeroen Diderich	13,667	+3,036	∞
DANIEL JAMES MCCARTHY	12,509	0	-
DAVID M PARRY	11,544	0	-
Lauren States	11,496	-245	-
Charles H. II Geer	10,839	+1,185	∞
John R. Welch	10,237	-1,165	-
Melkeya McDuffie	10,094	0	-
Stephen M. Mohan	10,000	0	-
Andrea Robertson	9,458	-1,266	-
Robert Willett	9,376	0	-
Robert A. Johnston	6,691	0	-
Robert W. Harrison	6,648	+295	∞
JOHN T PRESTON	6,392	0	-
EUGENE G BANUCCI	5,598	0	-
Marcy L. Reed	5,081	-836	-
David J. Vergo	4,783	0	-
Shelley JR Stewart	3,871	0	-
Karyn Polito	3,015	0	-
Alison A. Quirk	2,978	-893	-
Eric R. Lindgren	2,902	0	-
Jeffrey Herbert Knapp	2,853	0	-
Christopher P. Melocik	1,733	0	-

Individual Transactions

March 18, 2026

Marcy L. Reed

Open Market Sale

Change: -836

Price: $287.94

Shares: 5,081

Value: -$240,717

ERIC W GERSTENBERG

Open Market Sale

Change: -1,000

Price: $293.00

Shares: 38,877

Value: -$293,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Marcy L. Reed	Mar 19	Open Market Sale (S) Market Sale	5,081	-836	$287.94	-$240,717
ERIC W GERSTENBERG	Mar 19	Open Market Sale (S) Market Sale	38,877	-1,000	$293.00	-$293,000

March 17, 2026

Brian P Weber

Open Market Sale

Change: -4,683

Price: $293.39

Shares: 48,728

Value: -$1,373,945

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Brian P Weber	Mar 17	Open Market Sale (S) Market Sale	48,728	-4,683	$293.39	-$1,373,945

March 13, 2026

Charles H. II Geer

Disposition to Issuer

Change: -139

Price: $0.00

Shares: 10,839

Value: -$0

Rebecca Underwood

Disposition to Issuer

Change: -1,401

Price: $0.00

Shares: 18,684

Value: -$0

Rebecca Underwood

Tax Payment

Change: -125

Price: $288.93

Shares: 20,085

Value: -$36,116

Robert W. Harrison

Disposition to Issuer

Change: -368

Price: $0.00

Shares: 6,648

Value: -$0

Robert W. Harrison

Tax Payment

Change: -18

Price: $288.93

Shares: 7,016

Value: -$5,200

Sharon M. Gabriel

Disposition to Issuer

Change: -1,401

Price: $0.00

Shares: 21,065

Value: -$0

Sharon M. Gabriel

Tax Payment

Change: -727

Price: $288.93

Shares: 22,466

Value: -$210,052

Eric J. Dugas

Disposition to Issuer

Change: -1,324

Price: $0.00

Shares: 13,979

Value: -$0

Eric J. Dugas

Tax Payment

Change: -630

Price: $288.93

Shares: 15,303

Value: -$182,025

Michael Louis Battles

Disposition to Issuer

Change: -2,166

Price: $0.00

Shares: 95,387

Value: -$0

Michael Louis Battles

Tax Payment

Change: -1,148

Price: $288.93

Shares: 97,538

Value: -$331,691

Brian P Weber

Disposition to Issuer

Change: -1,869

Price: $0.00

Shares: 53,411

Value: -$0

Brian P Weber

Tax Payment

Change: -960

Price: $288.93

Shares: 55,280

Value: -$277,372

GEORGE L CURTIS

Disposition to Issuer

Change: -1,028

Price: $0.00

Shares: 46,048

Value: -$0

GEORGE L CURTIS

Tax Payment

Change: -350

Price: $288.93

Shares: 47,065

Value: -$101,125

ERIC W GERSTENBERG

Disposition to Issuer

Change: -2,166

Price: $0.00

Shares: 39,877

Value: -$0

ERIC W GERSTENBERG

Tax Payment

Change: -977

Price: $288.93

Shares: 42,043

Value: -$282,284

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Charles H. II Geer	Mar 17	Disposition to Issuer (D) Payment to Issuer	10,839	-139	$0.00	-$0
Rebecca Underwood	Mar 17	Disposition to Issuer (D) Payment to Issuer	18,684	-1,401	$0.00	-$0
Rebecca Underwood	Mar 17	Tax Payment (F) Tax Payment	20,085	-125	$288.93	-$36,116
Robert W. Harrison	Mar 17	Disposition to Issuer (D) Payment to Issuer	6,648	-368	$0.00	-$0
Robert W. Harrison	Mar 17	Tax Payment (F) Tax Payment	7,016	-18	$288.93	-$5,200
Sharon M. Gabriel	Mar 17	Disposition to Issuer (D) Payment to Issuer	21,065	-1,401	$0.00	-$0
Sharon M. Gabriel	Mar 17	Tax Payment (F) Tax Payment	22,466	-727	$288.93	-$210,052
Eric J. Dugas	Mar 17	Disposition to Issuer (D) Payment to Issuer	13,979	-1,324	$0.00	-$0
Eric J. Dugas	Mar 17	Tax Payment (F) Tax Payment	15,303	-630	$288.93	-$182,025
Michael Louis Battles	Mar 17	Disposition to Issuer (D) Payment to Issuer	95,387	-2,166	$0.00	-$0
Michael Louis Battles	Mar 17	Tax Payment (F) Tax Payment	97,538	-1,148	$288.93	-$331,691
Brian P Weber	Mar 17	Disposition to Issuer (D) Payment to Issuer	53,411	-1,869	$0.00	-$0
Brian P Weber	Mar 17	Tax Payment (F) Tax Payment	55,280	-960	$288.93	-$277,372
GEORGE L CURTIS	Mar 17	Disposition to Issuer (D) Payment to Issuer	46,048	-1,028	$0.00	-$0
GEORGE L CURTIS	Mar 17	Tax Payment (F) Tax Payment	47,065	-350	$288.93	-$101,125
ERIC W GERSTENBERG	Mar 17	Disposition to Issuer (D) Payment to Issuer	39,877	-2,166	$0.00	-$0
ERIC W GERSTENBERG	Mar 17	Tax Payment (F) Tax Payment	42,043	-977	$288.93	-$282,284