Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.
Symbol
CLHLatest filing 17 Jul 2026
Company Read
Net disposal
CLH has 22 stored insider filings.
Acquisitions account for 50.0% of classified filings and disposals account for 50.0%.
The largest stored filing is $482.5K from DIDERICH, JEROEN.
Latest filing
17 Jul 2026most recent stored row
Largest filing
$482.5Kreported transaction value
Total filings
22stored transaction rows
Acquisition value
$135.8K11 acquisitions
Disposal value
$2.2M11 disposals
Net value
$-2.1Macquisitions minus disposals
Filing cadence
Last 12 active months
May 202613
Jun 20261
Jul 20268
Acquisitions 50.0% · Disposals 50.0%
May 2026$361.6K
Jun 2026$482.5K
Jul 2026$1.5M
Executive concentration
By filing count
MCKIM, ALAN SDirector, EXEC CHAIR, CTO. · 2 filings
STATES, LAURENDirector · 2 filings
POLITO, KARYNDirector · 2 filings
ROBERTSON, ANDREADirector · 2 filings
DIDERICH, JEROENEVP&President of Sales&Service · 1 filings
WEBER, BRIAN PEVP (CHESI) · 1 filings
GERSTENBERG, ERIC WCO-CEO · 1 filings
DUGAS, ERIC J.EVP CHIEF FINANCIAL OFFICER · 1 filings
Insider
GEER, CHARLES H. IIEVP, Industrial Services
Side
Disposal
Shares
40
Price
290.74
Value
11630
Security
Common Stock
Date
1 Jun 2026
Insider
DIDERICH, JEROENEVP&President of Sales&Service
Side
Disposal
Shares
1717
Price
281.00
Value
482477
Security
Common Stock
Date
26 May 2026
Insider
STATES, LAURENDirector
Side
Disposal
Shares
789
Price
286.19
Value
225804
Security
Common Stock
Date
20 May 2026
Insider
GALANTE, EDWARD GDirector
Side
Acquisition
Shares
652
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
POLITO, KARYNDirector
Side
Acquisition
Shares
652
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
PRESTON, JOHN TDirector
Side
Acquisition
Shares
652
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
QUIRK, ALISON A.Director
Side
Acquisition
Shares
652
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
REED, MARCY L.Director
Side
Acquisition
Shares
652
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
ROBERTSON, ANDREADirector
Side
Acquisition
Shares
652
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
STATES, LAURENDirector
Side
Acquisition
Shares
652
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
STEWART, SHELLEY JRDirector
Side
Acquisition
Shares
652
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
WELCH, JOHN R.Director
Side
Acquisition
Shares
652
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
WILLETT, ROBERTDirector
Side
Acquisition
Shares
652
Price
0.00
Value
0
Security
Common Stock
Date
11 May 2026
Insider
POLITO, KARYNDirector
Side
Acquisition
Shares
460
Price
295.13
Value
135760
Security
Common Stock
Date
11 May 2026
Insider
ROBERTSON, ANDREADirector
Side
Disposal
Shares
342
Price
0.00
Value
0
Security
Common Stock
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