Form 4 Tracker
Michael Holder

Director · 5 filings · Latest: Aug 18, 2026

Cytek Biosciences, Inc.
MDxHealth SA
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
CTKB
Michael HolderDirectorAug 18, 2026
Option Exercise
—2,181—62,875
CTKB
Michael HolderDirectorJun 10, 2026
Option Exercise
—43,973—60,694
CTKB
Michael HolderDirectorMay 18, 2026
Option Exercise
—1,454—16,721
CTKB
Michael HolderDirectorMar 10, 2026
Option Exercise
—2,908—15,267