Michael J Malecek - Net Worth and Insider Trading

Michael J Malecek Net Worth

The estimated net worth of Michael J Malecek is at least $0 dollars as of 2024-04-28. Michael J Malecek is the Chief Legal Officer of Prothena Corp PLC and owns about 0 shares of Prothena Corp PLC (PRTA) stock worth over $0. Details can be seen in Michael J Malecek's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that Michael J Malecek has not made any transactions after 2023-09-27 and currently still holds the listed stock(s).

Transaction Summary of Michael J Malecek

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Michael J Malecek Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Michael J Malecek owns 1 companies in total, including Prothena Corp PLC (PRTA) .

Click here to see the complete history of Michael J Malecek’s form 4 insider trades.

Insider Ownership Summary of Michael J Malecek

Ticker Comapny Transaction Date Type of Owner
PRTA Prothena Corp PLC 2023-09-27 Chief Legal Officer

Michael J Malecek Latest Holdings Summary

Michael J Malecek currently owns a total of 1 stock. Michael J Malecek owns 0 shares of Prothena Corp PLC (PRTA) as of September 27, 2023, with a value of $0.

Latest Holdings of Michael J Malecek

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
PRTA Prothena Corp PLC 2023-09-27 0 20.87 0

Holding Weightings of Michael J Malecek


Michael J Malecek Form 4 Trading Tracker

According to the SEC Form 4 filings, Michael J Malecek has made a total of 12 transactions in Prothena Corp PLC (PRTA) over the past 5 years, including 0 buys and 12 sells. The most-recent trade in Prothena Corp PLC is the sale of 5,000 shares on September 27, 2023, which brought Michael J Malecek around $236,900.

Insider Trading History of Michael J Malecek

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.

Michael J Malecek Trading Performance

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

Michael J Malecek Ownership Network

Ownership Network List of Michael J Malecek

No Data

Ownership Network Relation of Michael J Malecek


Michael J Malecek Owned Company Details

What does Prothena Corp PLC do?

Who are the key executives at Prothena Corp PLC?

Michael J Malecek is the Chief Legal Officer of Prothena Corp PLC. Other key executives at Prothena Corp PLC include See Remarks Karin L Walker , Chief Operating Officer Brandon S. Smith , and Chief Regulatory Officer Carol D. Karp .

Prothena Corp PLC (PRTA) Insider Trades Summary

Over the past 18 months, Michael J Malecek made 9 insider transaction in Prothena Corp PLC (PRTA) with a net sale of 55,000. Other recent insider transactions involving Prothena Corp PLC (PRTA) include a net sale of 85,000 shares made by Karin L Walker , a net sale of 38,000 shares made by Hideki Garren , and a net sale of 145,000 shares made by Tran Nguyen .

In summary, during the past 3 months, insiders sold 0 shares of Prothena Corp PLC (PRTA) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 553,834 shares of Prothena Corp PLC (PRTA) were sold and 0 shares were bought by its insiders, resulting in a net sale of 553,834 shares.

Prothena Corp PLC (PRTA)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Prothena Corp PLC Insider Transactions

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Michael J Malecek Mailing Address

Above is the net worth, insider trading, and ownership report for Michael J Malecek. You might contact Michael J Malecek via mailing address: C/o Prothena Biosciences, Inc., 331 Oyster Point Boulevard, South San Francisco Ca 94080.

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