Tue, Mar 31, 2026
Mar 31
75,000 shares @ $20.00
Increased holdings by +21.60%
4th largest trade (out of 12)
Large TradeCluster Buy
Trade made by a director
Part of a cluster of 7 transactions by 6 insiders
Unscheduled trade
0% win rate · -23.7% median edge vs SPY (8 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 18Leon O. JR MoulderBought$1.01mApr 29Leon O. JR MoulderBought$616.70kApr 28Leon O. JR MoulderBought$450.50kMar 31Leon O. JR MoulderBought$656.54kMar 31Fairmount Healthcare Fund II L.p.Bought$3.00mMar 31Tomas KiselakBought$3.00mMar 31Fairmount Funds Management LlcBought$3.00mMar 31Peter Evan HarwinBought$3.00m