Mark Lappe Insider Profile
4 Followers
Mark Lappe, CEO, Director at Inhibrx Biosciences Inc, holds 950.41K shares in Inhibrx Biosciences Inc (Ticker: INBX), holds 4.29M shares in Repros (Ticker: ~RPRX), holds 0.00 shares in Inhibrx (Ticker: ~INBX). Most recently, Mark Lappe Bought ― shares of Inhibrx Biosciences Inc on Sep 08, 2026 for an estimated value of $2.65M.
Mark Lappe Inhibrx Biosciences Inc (INBX)CEO, Director
Inhibrx Biosciences Inc (INBX)
CEO, Director
Ranked #7,844 out of 108,921 Corporate Insiders
Profitable Transactions
4 out of 4 Profitable Transactions
Average Return
+75.20%
Average return per transaction
Time Frame
Compare to
Insider Roles
CEO, Director
Roles that Mark Lappe holds in companies
Most Profitable Insider Trade
Stock:
Rating:Informative Buy
Date:Aug 22, 2024 - Aug 22, 2025
Return:+92.40%
The most profitable trade made by Mark Lappe
Mark Lappe's Trading History
Inhibrx Biosciences Inc
Sep 08, 2026
CEO, Director
Informative Buy
2.65M
$108.67M
Repros
―
―
―
$2.88M
Inhibrx
May 30, 2024
―
Uninformative Sell
91.37M
$0.00
List of latest transactions for each holding click on a transaction to see Mark Lappe's performance on stock
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Mark Lappe insider profile FAQ
What is the percentage of profitable transactions made by Mark Lappe?
The percentage of profitable transactions made by Mark Lappe is 100%.
What is the average return per transaction made by Mark Lappe?
The average return per transaction made by Mark Lappe is 75.20%.
What stocks does Mark Lappe hold?
Mark Lappe holds: INBX, ~RPRX, ~INBX stocks.
What was Mark Lappe’s latest transaction?
Mark Lappe latest transaction was an Informative Buy of $2.65M.
What was Mark Lappe's most profitable transaction?
Mark Lappe’s most profitable transaction was an Informative Buy of INBX stock on August 22, 2024. The return on the trade was 92.40%.
What is Mark Lappe's role in Inhibrx Biosciences Inc?
Mark Lappe's role in Inhibrx Biosciences Inc is CEO, Director.
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