Form 4 Tracker
William D. Mccombe

Chief Financial Officer · 3 filings · Latest: Aug 18, 2026

Cytek Biosciences, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
CTKB
William D. MccombeChief Financial OfficerAug 18, 2026
Option Exercise
—35,420—140,094
CTKB
William D. MccombeChief Financial OfficerMay 18, 2026
Option Exercise
—25,719—115,016
CTKB
William D. MccombeChief Financial OfficerMar 10, 2026
Option Exercise
—23,721—101,832