Significant Ownership of Charles Kohnen

Signature - Title
/s/ Charles Kohnen - Reporting Person
Location
Dayton, OH
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by Charles Kohnen.

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Significant Ownership of Charles Kohnen

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
SCIA SCI Engineered Materials, Inc. Common Stock, no par value 8.1% $2,002,000 +$33,000 364,000 +1.7% Charles Kohnen 19 Feb 2026

Schedules 13D/G Reported by Charles Kohnen:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Filing Date
* An asterisk sign (*) next to the price indicates that the price is likely invalid.