Form 4 Tracker
Michael A Lewis

Director · 2 filings · Latest: May 20, 2026

NPK International Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Form 4
NPKI
Michael A LewisDirectorMay 20, 2026
Grant/Award
$0.008,558137,878
NPKI
Michael A LewisDirectorMay 15, 2026
Sale
$15.302,013$30.8K129,320