Mark N Lampert - Net Worth and Insider Trading

Mark N Lampert Net Worth

The estimated net worth of Mark N Lampert is at least $45 Million dollars as of 2024-05-14. Mark N Lampert is the Director, 10% Owner of Arena Pharmaceuticals Inc and owns about 452,021 shares of Arena Pharmaceuticals Inc (ARNA) stock worth over $45 Million. Details can be seen in Mark N Lampert'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 N Lampert has not made any transactions after 2003-10-17 and currently still holds the listed stock(s).

Transaction Summary of Mark N Lampert

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Mark N Lampert Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Mark N Lampert owns 48 companies in total, including Five Prime Therapeutics Inc (FPRX) , Eledon Pharmaceuticals Inc (ELDN) , and XOMA Corp (XOMA) among others .

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

Insider Ownership Summary of Mark N Lampert

Ticker Comapny Transaction Date Type of Owner
FPRX Five Prime Therapeutics Inc 2020-10-06 10 percent owner
ELDN Eledon Pharmaceuticals Inc 2020-10-01 10 percent owner
XOMA XOMA Corp 2017-02-10 10 percent owner
2020-01-01 10 percent owner
2021-06-16 other: See Explanation of Responses
2020-08-18 10 percent owner
2020-06-18 10 percent owner
2019-06-19 10 percent owner
2017-06-09 10 percent owner
2019-12-09 10 percent owner
2018-11-16 10 percent owner
2017-05-01 10 percent owner
2017-09-19 10 percent owner
2016-11-30 10 percent owner
2018-12-04 10 percent owner
2017-11-28 10 percent owner
2018-05-30 10 percent owner
2016-09-08 10 percent owner
2017-11-17 10 percent owner
2014-07-01 10 percent owner
2017-05-08 10 percent owner
2016-06-23 director & 10 percent owner
2012-08-28 10 percent owner
2009-07-09 10 percent owner
2009-08-24 10 percent owner & other: Indirect Beneficial Owner
2014-03-21 other: See Explanation of Responses
2011-10-05 10 percent owner
2013-05-01 10 percent owner
2011-10-07 10 percent owner
2009-12-22 10 percent owner
2009-12-18 10 percent owner
2009-10-21 10 percent owner
2009-07-30 10 percent owner
2009-05-15 10 percent owner & other: Group Member
2003-10-17 director & 10 percent owner
2017-02-10 10 percent owner
2020-12-18 10 percent owner
2022-01-25 10 percent owner
2021-04-22 other: See Explanation of Responses
2020-11-18 10 percent owner
2021-12-31 10 percent owner
2021-10-28 10 percent owner
2022-04-05 director & 10 percent owner
2022-06-16 10 percent owner
2022-07-11 10 percent owner
2022-12-19 10 percent owner
2023-02-03 10 percent owner
2023-11-02 10 percent owner

Mark N Lampert Latest Holdings Summary

Mark N Lampert currently owns a total of 1 stock. Mark N Lampert owns 452,021 shares of Arena Pharmaceuticals Inc (ARNA) as of October 17, 2003, with a value of $45 Million.

Latest Holdings of Mark N Lampert

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
ARNA Arena Pharmaceuticals Inc 2003-10-17 452,021 99.99 45,197,580

Holding Weightings of Mark N Lampert


Mark N Lampert Form 4 Trading Tracker

According to the SEC Form 4 filings, Mark N Lampert has made a total of 0 transactions in Arena Pharmaceuticals Inc (ARNA) over the past 5 years. The most-recent trade in Arena Pharmaceuticals Inc is the sale of 291,100 shares on October 17, 2003, which brought Mark N Lampert around $22 Million.

Insider Trading History of Mark N Lampert

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.
Total 0
  • 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 N Lampert Trading Performance

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

Mark N Lampert Ownership Network

Ownership Network List of Mark N Lampert

No Data

Ownership Network Relation of Mark N Lampert


Mark N Lampert Owned Company Details

What does Five Prime Therapeutics Inc do?

Who are the key executives at Five Prime Therapeutics Inc?

Mark N Lampert is the 10 percent owner of Five Prime Therapeutics Inc. Other key executives at Five Prime Therapeutics Inc include 10 percent owner Biotechnology Value Fund L P , 10 percent owner Bvf Partners L P/il , and 10 percent owner Bvf Inc/il .

Five Prime Therapeutics Inc (FPRX) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of Five Prime Therapeutics Inc (FPRX) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Five Prime Therapeutics Inc (FPRX) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

Five Prime Therapeutics Inc (FPRX)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Five Prime Therapeutics Inc Insider Transactions

No Available Data

Mark N Lampert Mailing Address

Above is the net worth, insider trading, and ownership report for Mark N Lampert. You might contact Mark N Lampert via mailing address: 1 Sansome St, 30th Fl, San Francisco Ca 94104.

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