Industry Insider Activity

Pollution & Treatment Controls insider activity

Concentrated executive and director transaction evidence across 8 companies, with acquisition/disposal balance, filing cadence, value concentration, and linked company research.

Latest filing 22 Jul 2026 53 filings tracked

Top-level read

Net insider buying

Pollution & Treatment Controls shows 45 acquisition filings against 8 disposal filings. The largest stored filing is $3.6M in SCWO by NAGAR, YAACOV.

Net value $3.1Macquisitions minus disposals
Companies 8with stored filings
Total filings 53stored transaction rows
Acquisition value $7.0M45 acquisitions
Disposal value $3.9M8 disposals
Largest filing $3.6Mreported transaction value

Filing cadence

Last 12 active months
Apr 2026 11
May 2026 13
Jun 2026 20
Jul 2026 9

Acquisitions 84.9% · Disposals 15.1%

Company Reads

Most active company insider tapes

8 shown

Transaction Evidence

Latest filings in Pollution & Treatment Controls

Showing 1-30 of 53
Date 22 Jul 2026
Symbol CLIRClearSign Combustion Corporation
Insider PASQUESI, JOHN M10% Owner
Side Acquisition
Shares 500000
Value 1770000
Industry Pollution & Treatment Controls
Date 15 Jul 2026
Symbol ZWSZurn Elkay Water Solutions Corporation
Insider MOORE, GEORGE CDirector
Side Acquisition
Shares 657
Value 31293
Industry Pollution & Treatment Controls
Date 15 Jul 2026
Symbol ZWSZurn Elkay Water Solutions Corporation
Insider CHRISTOPOUL, THOMASDirector
Side Acquisition
Shares 630
Value 30007
Industry Pollution & Treatment Controls
Date 15 Jul 2026
Symbol ZWSZurn Elkay Water Solutions Corporation
Insider LONGREN, DAVID C.Director
Side Acquisition
Shares 604
Value 28769
Industry Pollution & Treatment Controls
Date 15 Jul 2026
Symbol ZWSZurn Elkay Water Solutions Corporation
Insider TROY, PEGGYDirector
Side Acquisition
Shares 604
Value 28769
Industry Pollution & Treatment Controls
Date 15 Jul 2026
Symbol ZWSZurn Elkay Water Solutions Corporation
Insider SCHOOLER, ROSEMARYDirector
Side Acquisition
Shares 525
Value 25006
Industry Pollution & Treatment Controls
Date 9 Jul 2026
Symbol ERIIEnergy Recovery Inc
Insider MITCHELL, JOHN JOSEPHDirector
Side Acquisition
Shares 16797
Value 0
Industry Pollution & Treatment Controls
Date 1 Jul 2026
Symbol SCWO374Water Inc. Common Stock
Insider WEISER, CHARLES MAURICEDirector, Chief Financial Officer
Side Acquisition
Shares 125000
Value 0
Industry Pollution & Treatment Controls
Date 1 Jul 2026
Symbol SCWO374Water Inc. Common Stock
Insider WEISER, CHARLES MAURICEDirector, Chief Financial Officer
Side Acquisition
Shares 150000
Value 0
Industry Pollution & Treatment Controls
Date 30 Jun 2026
Symbol CLIRClearSign Combustion Corporation
Insider BASENESE, LOUDirector
Side Acquisition
Shares 4595
Value 0
Industry Pollution & Treatment Controls
Date 30 Jun 2026
Symbol CLIRClearSign Combustion Corporation
Insider DIGIANDOMENICO, ANTHONYDirector
Side Acquisition
Shares 4595
Value 0
Industry Pollution & Treatment Controls
Date 30 Jun 2026
Symbol CLIRClearSign Combustion Corporation
Insider SILVA, GIL TODDDirector
Side Acquisition
Shares 4087
Value 0
Industry Pollution & Treatment Controls
Date 30 Jun 2026
Symbol CLIRClearSign Combustion Corporation
Insider SILVA, GIL TODDDirector
Side Acquisition
Shares 4595
Value 0
Industry Pollution & Treatment Controls
Date 15 Jun 2026
Symbol PCTPurecycle Technologies Holdings Corp
Insider SYLEBRA, CAPITAL LLCDirector, 10% Owner
Side Disposal
Shares -
Value -
Industry Pollution & Treatment Controls
Date 15 Jun 2026
Symbol ERIIEnergy Recovery Inc
Insider BUEHLER, ALEXANDER JDirector, Interim President and CEO
Side Disposal
Shares 15327
Value 131812
Industry Pollution & Treatment Controls
Date 15 Jun 2026
Symbol ERIIEnergy Recovery Inc
Insider BUEHLER, ALEXANDER JDirector, Interim President and CEO
Side Acquisition
Shares 15327
Value 131812
Industry Pollution & Treatment Controls
Date 15 Jun 2026
Symbol ERIIEnergy Recovery Inc
Insider BUEHLER, ALEXANDER JDirector, Interim President and CEO
Side Disposal
Shares 14900
Value 129779
Industry Pollution & Treatment Controls
Date 15 Jun 2026
Symbol ERIIEnergy Recovery Inc
Insider SABOL, COLIN RDirector
Side Acquisition
Shares 11180
Value 99267
Industry Pollution & Treatment Controls
Date 12 Jun 2026
Symbol SCWO374Water Inc. Common Stock
Insider MEYERS, BRAD IANChief Operating Officer
Side Disposal
Shares 9831
Value 22906
Industry Pollution & Treatment Controls
Date 11 Jun 2026
Symbol SCWO374Water Inc. Common Stock
Insider MEYERS, BRAD IANChief Operating Officer
Side Disposal
Shares 9000
Value 22140
Industry Pollution & Treatment Controls
Date 8 Jun 2026
Symbol LIQTLiqTech International Inc
Insider BLEICHROEDER, LP10% Owner
Side Acquisition
Shares 3000000
Value 3000000
Industry Pollution & Treatment Controls
Date 5 Jun 2026
Symbol LIQTLiqTech International Inc
Insider BLEICHROEDER, LP10% Owner
Side Acquisition
Shares 700000
Value 700000
Industry Pollution & Treatment Controls
Date 4 Jun 2026
Symbol ERIIEnergy Recovery Inc
Insider TONDREAU, PAMELA L.Director
Side Acquisition
Shares 22316
Value 185000
Industry Pollution & Treatment Controls
Date 4 Jun 2026
Symbol ERIIEnergy Recovery Inc
Insider CHOW, JOAN KAIDirector
Side Acquisition
Shares 18094
Value 149999
Industry Pollution & Treatment Controls
Date 4 Jun 2026
Symbol ERIIEnergy Recovery Inc
Insider HANSTVEIT, ARVEDirector
Side Acquisition
Shares 18094
Value 149999
Industry Pollution & Treatment Controls
Date 4 Jun 2026
Symbol ERIIEnergy Recovery Inc
Insider SABOL, COLIN RDirector
Side Acquisition
Shares 18094
Value 149999
Industry Pollution & Treatment Controls
Date 4 Jun 2026
Symbol FTEKFuel Tech Inc
Insider BAILEY, DOUGLAS GDirector
Side Acquisition
Shares 15000
Value 0
Industry Pollution & Treatment Controls
Date 4 Jun 2026
Symbol FTEKFuel Tech Inc
Insider JONES, SHARON LDirector
Side Acquisition
Shares 15000
Value 0
Industry Pollution & Treatment Controls
Date 4 Jun 2026
Symbol FTEKFuel Tech Inc
Insider ZEITLER, DENNIS LDirector
Side Acquisition
Shares 15000
Value 0
Industry Pollution & Treatment Controls
Date 28 May 2026
Symbol ZWSZurn Elkay Water Solutions Corporation
Insider KLUN, DANIEL JChief Financial Officer
Side Acquisition
Shares 2276
Value -
Industry Pollution & Treatment Controls