Updated: May 19, 2026

Leon O Moulder Jr

ZBIOZenas BioPharma, Inc.SEC CIK: 0001228865
Estimated Net Worth
$243 Million
Last Updated: May 19, 2026 11:11 PM EST

Transaction Summary

Total Transactions75
Buy-Sell Ratio4.50
Buy Transactions54
Sell Transactions12

Transaction Volume

Total Volume$176.38M
Net Volume-$53.85M
Buy Volume$61.26M
Sell Volume$115.11M

Trade Analysis

AVG Trade Size$2.35M
Largest Trade$77.97M
Most Active MonthJun
Most Active Year2024

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Leon O Moulder Jr has an estimated net worth of $243 Million. This is based on reported shares across multiple companies, which include TESARO, Inc., Abraxis BioScience, Inc., Zai Lab Ltd, TREVENA INC, CUBIST PHARMACEUTICALS INC, Dianthus Therapeutics, Inc. /DE/, MGI PHARMA INC, and Zenas BioPharma, Inc..



2024 was Leon O Moulder Jr's most active year for acquiring shares with 21 total transactions. Leon O Moulder Jr's most active month to acquire stocks was the month of May. 2008 was Leon O Moulder Jr's most active year for disposing of shares, totalling 13 transactions. Leon O Moulder Jr's most active month to dispose stocks was the month of December. 2009 saw Leon O Moulder Jr paying a total of $9,492,000.00 for 250,000 shares, this is the most they've acquired in one year. In 2019 Leon O Moulder Jr cashed out on 2,487,517 shares for a total of $77,974,800.00, their largest year based on trade value.

Holdings & Transactions

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