Updated: Sep 18, 2026

Mark Lappe

INBXInhibrx, Inc.SEC CIK: 0001366074
Estimated Net Worth
$0
Last Updated: Sep 18, 2026 08:27 PM EST

Transaction Summary

Total Transactions53
Buy-Sell Ratio2.36
Buy Transactions33
Sell Transactions14

Transaction Volume

Total Volume$142.2M
Net Volume-$62.35M
Buy Volume$39.93M
Sell Volume$102.27M

Trade Analysis

AVG Trade Size$2.68M
Largest Trade$91.37M
Most Active MonthOct
Most Active Year2008

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

Mark Lappe does not have any significant net worth to report based on the numbers we have. This is based on reported shares across multiple companies, which include REPROS THERAPEUTICS INC., AEOLUS PHARMACEUTICALS, INC., Inhibrx, Inc., and Inhibrx Biosciences, Inc..



2008 was Mark Lappe's most active year for acquiring shares with 2 total transactions. Mark Lappe's most active month to acquire stocks was the month of December. 2024 was Mark Lappe's most active year for disposing of shares, totalling 2 transactions. Mark Lappe's most active month to dispose stocks was the month of April. 2008 saw Mark Lappe paying a total of $508,000.00 for 80,000 shares, this is the most they've acquired in one year. In 2024 Mark Lappe cashed out on 245,000 shares for a total of $0.00, their largest year based on trade value.

Holdings & Transactions

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