Form 4 Tracker
Leon O Moulder JR

Director, Chief Executive Officer · 3 filings · Latest: Apr 28, 2026

Zenas BioPharma, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
ZBIO
Leon O Moulder JRDirector, Chief Executive OfficerApr 29, 2026
Purchase
$17.6235,000$616.7K1,786,039
ZBIO
Leon O Moulder JRDirector, Chief Executive OfficerApr 28, 2026
Purchase
$18.0225,000$450.5K1,751,039
ZBIO
Leon O Moulder JRDirector, Chief Executive OfficerMar 31, 2026
Purchase
$19.3134,000$656.5K1,726,039
ZBIO
Leon O Moulder JRDirector, Chief Executive OfficerMar 30, 2026
Purchase
$18.2320,000$364.6K1,692,039
ZBIO
Leon O Moulder JRDirector, Chief Executive OfficerFeb 2, 2026
Purchase
$17.9657,000$1.0M423,155