Mark Lappe - Net Worth and Insider Trading
Mark Lappe Net Worth
The estimated net worth of Mark Lappe is at least $62 Million dollars as of 2024-12-26. Mark Lappe is the CEO of Inhibrx Inc and owns about 3,045,654 shares of Inhibrx Inc (INBX) stock worth over $48 Million. Mark Lappe is also the CEO of Inhibrx Biosciences Inc and owns about 925,413 shares of Inhibrx Biosciences Inc (INBX) stock worth over $14 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 final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Mark Lappe has not made any transactions after 2024-09-16 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Mark Lappe
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 2 stocks. Among these stocks, Mark Lappe owns 3,045,654 shares of Inhibrx Inc (INBX) as of February 28, 2023, with a value of $48 Million and a weighting of 77.57%. Mark Lappe also owns 925,413 shares of Inhibrx Biosciences Inc (INBX) as of September 16, 2024, with a value of $14 Million and a weighting of 22.43%.
Latest Holdings of Mark Lappe
| Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| INBX | Inhibrx Inc | 2023-02-28 | 3,045,654 | 15.70 | 47,816,768 |
| INBX | Inhibrx Biosciences Inc | 2024-09-16 | 925,413 | 14.94 | 13,825,670 |
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.
According to the SEC Form 4 filings, Mark Lappe has made a total of 4 transactions in Inhibrx Biosciences Inc (INBX) over the past 5 years, including 4 buys and 0 sells. The most-recent trade in Inhibrx Biosciences Inc is the acquisition of 40,000 shares on September 16, 2024, which cost Mark Lappe around $629,200.
Insider Trading History of Mark Lappe
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Mark Lappe Trading Performance
GuruFocus tracks the stock performance after each of Mark Lappe's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mark Lappe is -4.17%. GuruFocus also compares Mark Lappe's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mark Lappe within 3 months outperforms 1 times out of 4 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Mark Lappe's insider trading performs compared to the benchmark.
Performance of Mark Lappe
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 3.19 |  | | | | |
| Relative Return to S&P 500(%) | -0.17 | | | | | |
Mark Lappe Ownership Network
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 director & 10 percent owner & Chief Scientific Officer Brendan P. Eckelman , 10 percent owner Ole Andreas Halvorsen , and 10 percent owner Viking Global Opportunities Parent Gp Llc .
Inhibrx Inc (INBX) Insider Trades Summary
Over the past 18 months, Mark Lappe made no insider transaction in Inhibrx Inc (INBX). Other recent insider transactions involving Inhibrx Inc (INBX) include a net purchase of 511,627 shares made by Viking Global Investors Lp , and a net sale of 300,000 shares made by Brendan P. Eckelman .
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, 300,000 shares of Inhibrx Inc (INBX) were sold and 511,627 shares were bought by its insiders, resulting in a net purchase of 211,627 shares.
Inhibrx Inc (INBX)'s detailed insider trading history can be found in Insider Trading Tracker table.
Inhibrx Inc Insider Transactions
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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