Chief Executive Officer
Mon, Feb 2, 2026
Feb 2
57,000 shares @ $17.96
Increased holdings by +15.60%
2nd largest trade (out of 33)
Large TradeCluster Buy
Trade made by an officer
Part of a cluster of 3 transactions by 3 insiders
Unscheduled trade
31% win rate · -35.1% median edge vs SPY (13 trades, 90-day · small sample)
Price 11% 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 31MOULDER LEON O JRBought$656.54kMar 31Fairmount Healthcare Fund II L.P.Bought$3.00mMar 31Kiselak TomasBought$3.00mMar 31Fairmount Funds Management LLCBought$3.00m