Chief Executive Officer
Tue, Mar 31, 2026
Mar 31
34,000 shares @ $19.31
Increased holdings by +2.00%
6th largest trade (out of 33)
Cluster Buy
Trade made by an officer
Part of a cluster of 7 transactions by 6 insiders
Unscheduled trade
40% win rate · -24.8% median edge vs SPY (15 trades, 90-day · small sample)
Price 15% below 200-day moving average
Small Cap stock — insider trades carry more weight
Recent insider activity at ZBIO
May 18MOULDER LEON O JRBought$1.01mApr 29MOULDER LEON O JRBought$616.70kApr 28MOULDER LEON O JRBought$450.50kMar 31Lu HongboBought$1.50mMar 31Fairmount Healthcare Fund II L.P.Bought$3.00mMar 31Kiselak TomasBought$3.00mMar 31Fairmount Funds Management LLCBought$3.00mMar 31Harwin Peter EvanBought$3.00m