Mark Lappe - Net Worth and Insider Trading

Mark Lappe Net Worth

The estimated net worth of Mark Lappe is at least $104 Million dollars as of 2024-04-27. Mark Lappe is the CEO of Inhibrx Inc and owns about 3,045,654 shares of Inhibrx Inc (INBX) stock worth over $104 Million. Details can be seen in Mark Lappe's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that Mark Lappe has not made any transactions after 2023-02-28 and currently still holds the listed stock(s).

Transaction Summary of Mark Lappe

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Mark Lappe Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Mark Lappe owns 2 companies in total, including Inhibrx Inc (INBX) , and Aeolus Pharmaceuticals Inc (AOLS) .

Click here to see the complete history of Mark Lappe’s form 4 insider trades.

Insider Ownership Summary of Mark Lappe

Ticker Comapny Transaction Date Type of Owner
INBX Inhibrx Inc 2023-02-28 director & 10 percent owner & Chief Executive Officer
AOLS Aeolus Pharmaceuticals Inc 2011-03-15 10 percent owner

Mark Lappe Latest Holdings Summary

Mark Lappe currently owns a total of 1 stock. Mark Lappe owns 3,045,654 shares of Inhibrx Inc (INBX) as of February 28, 2023, with a value of $104 Million.

Latest Holdings of Mark Lappe

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
INBX Inhibrx Inc 2023-02-28 3,045,654 34.06 103,734,975

Holding Weightings of Mark Lappe


Mark Lappe Form 4 Trading Tracker

According to the SEC Form 4 filings, Mark Lappe has made a total of 5 transactions in Inhibrx Inc (INBX) over the past 5 years, including 0 buys and 5 sells. The most-recent trade in Inhibrx Inc is the sale of 60 shares on February 28, 2023, which brought Mark Lappe around $1,501.

Insider Trading History of Mark Lappe

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
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  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

Mark Lappe Trading Performance

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Mark Lappe Ownership Network

Ownership Network List of Mark Lappe

No Data

Ownership Network Relation of Mark Lappe


Mark Lappe Owned Company Details

What does Inhibrx Inc do?

Who are the key executives at Inhibrx Inc?

Mark Lappe is the director & 10 percent owner & Chief Executive Officer of Inhibrx Inc. Other key executives at Inhibrx Inc include 10 percent owner Ole Andreas Halvorsen , 10 percent owner Viking Global Opportunities Parent Gp Llc , and 10 percent owner Rose Sharon Shabet .

Inhibrx Inc (INBX) Insider Trades Summary

Over the past 18 months, Mark Lappe made 4 insider transaction in Inhibrx Inc (INBX) with a net sale of 78,060. Other recent insider transactions involving Inhibrx Inc (INBX) include a net sale of 160,000 shares made by Brendan P. Eckelman , a net sale of 28,500 shares made by Jon Faiz Kayyem , and a net purchase of 511,627 shares made by Viking Global Investors Lp .

In summary, during the past 3 months, insiders sold 0 shares of Inhibrx Inc (INBX) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 266,560 shares of Inhibrx Inc (INBX) were sold and 511,627 shares were bought by its insiders, resulting in a net purchase of 245,067 shares.

Inhibrx Inc (INBX)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Inhibrx Inc Insider Transactions

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Mark Lappe Mailing Address

Above is the net worth, insider trading, and ownership report for Mark Lappe. You might contact Mark Lappe via mailing address: 11622 El Camino Real, Suite 100, San Diego Ca 92130.

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