David S Tierney - Net Worth and Insider Trading

David S Tierney Net Worth

The estimated net worth of David S Tierney is at least $9 Million dollars as of 2024-11-09. David S Tierney is the Director of Catalyst Pharmaceuticals Inc and owns about 348,874 shares of Catalyst Pharmaceuticals Inc (CPRX) stock worth over $8 Million. David S Tierney is the CEO of BioPharmX Corp and owns about 25,000 shares of BioPharmX Corp (BPMX) stock worth over $153,000. David S Tierney is also the Director of Zevra Therapeutics Inc and owns about 10,835 shares of Zevra Therapeutics Inc (ZVRA) stock worth over $97,515. Details can be seen in David S Tierney'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 David S Tierney has not made any transactions after 2024-08-21 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

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Transaction Summary of David S Tierney

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David S Tierney Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, David S Tierney owns 5 companies in total, including Zevra Therapeutics Inc (ZVRA) , Catalyst Pharmaceuticals Inc (CPRX) , and Trex Wind Down Inc (TMBRQ) among others .

Click here to see the complete history of David S Tierney’s form 4 insider trades.

Insider Ownership Summary of David S Tierney

Ticker Comapny Transaction Date Type of Owner
ZVRA Zevra Therapeutics Inc 2023-03-09 director
CPRX Catalyst Pharmaceuticals Inc 2024-08-21 director
TMBRQ Trex Wind Down Inc 2018-09-19 director & CEO
LIMIT LIMIT 2014-04-30 director
LIMIT LIMIT 2007-01-29 director

David S Tierney Latest Holdings Summary

David S Tierney currently owns a total of 3 stocks. Among these stocks, David S Tierney owns 348,874 shares of Catalyst Pharmaceuticals Inc (CPRX) as of August 21, 2024, with a value of $8 Million and a weighting of 97.09%. David S Tierney owns 25,000 shares of BioPharmX Corp (BPMX) as of September 19, 2018, with a value of $153,000 and a weighting of 1.78%. David S Tierney also owns 10,835 shares of Zevra Therapeutics Inc (ZVRA) as of March 9, 2023, with a value of $97,515 and a weighting of 1.13%.

Latest Holdings of David S Tierney

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
CPRX Catalyst Pharmaceuticals Inc 2024-08-21 348,874 23.93 8,348,555
BPMX BioPharmX Corp 2018-09-19 25,000 6.12 153,000
ZVRA Zevra Therapeutics Inc 2023-03-09 10,835 9.00 97,515

Holding Weightings of David S Tierney


David S Tierney Form 4 Trading Tracker

According to the SEC Form 4 filings, David S Tierney has made a total of 6 transactions in Catalyst Pharmaceuticals Inc (CPRX) over the past 5 years, including 0 buys and 6 sells. The most-recent trade in Catalyst Pharmaceuticals Inc is the sale of 15,000 shares on August 21, 2024, which brought David S Tierney around $301,500.

According to the SEC Form 4 filings, David S Tierney has made a total of 0 transactions in BioPharmX Corp (BPMX) over the past 5 years. The most-recent trade in BioPharmX Corp is the acquisition of 333 shares on September 19, 2018, which cost David S Tierney around $20,000.

According to the SEC Form 4 filings, David S Tierney has made a total of 4 transactions in Zevra Therapeutics Inc (ZVRA) over the past 5 years, including 4 buys and 0 sells. The most-recent trade in Zevra Therapeutics Inc is the acquisition of 5,000 shares on March 9, 2023, which cost David S Tierney around $20,750.

Insider Trading History of David S Tierney

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.

David S Tierney Trading Performance

GuruFocus tracks the stock performance after each of David S Tierney's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by David S Tierney is 18.31%. GuruFocus also compares David S Tierney's trading performance to market benchmark return within the same time period. The performance of stocks bought by David S Tierney within 3 months outperforms 5 times out of 10 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how David S Tierney's insider trading performs compared to the benchmark.

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

Performance of David S Tierney

Average Return

LIMIT
Average return per transaction

Outperforming Transactions

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6 out of 10 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) 5 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) 2.04 LIMIT LIMIT LIMIT LIMIT LIMIT

David S Tierney Ownership Network

Ownership Network List of David S Tierney

No Data

Ownership Network Relation of David S Tierney

Insider Network Chart

David S Tierney Owned Company Details

What does Zevra Therapeutics Inc do?

Who are the key executives at Zevra Therapeutics Inc?

David S Tierney is the director of Zevra Therapeutics Inc. Other key executives at Zevra Therapeutics Inc include VP Fin & Corp Controller R. Laduane Clifton , director & President and CEO Neil F. Mcfarlane , and CCO & EVP & Bus. Development Joshua Schafer .

Zevra Therapeutics Inc (ZVRA) Insider Trades Summary

Over the past 18 months, David S Tierney made no insider transaction in Zevra Therapeutics Inc (ZVRA). Other recent insider transactions involving Zevra Therapeutics Inc (ZVRA) include a net purchase of 1,500 shares made by Watton Corey Michael , a net purchase of 30,000 shares made by John B Bode , and a net purchase of 5,740 shares made by R. Laduane Clifton .

In summary, during the past 3 months, insiders sold 0 shares of Zevra Therapeutics Inc (ZVRA) in total and bought 500 shares, with a net purchase of 500 shares. During the past 18 months, 0 shares of Zevra Therapeutics Inc (ZVRA) were sold and 58,740 shares were bought by its insiders, resulting in a net purchase of 58,740 shares.

Zevra Therapeutics Inc (ZVRA)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Zevra Therapeutics Inc Insider Transactions

No Available Data

David S Tierney Mailing Address

Above is the net worth, insider trading, and ownership report for David S Tierney. You might contact David S Tierney via mailing address: C/o Able Laboratories, Inc., 6 Hollywood Court, Cn 1013, South Plainfield Nj 07080.