John Owen Brennan - Net Worth and Insider Trading

John Owen Brennan Net Worth

The estimated net worth of John Owen Brennan is at least $65,250 dollars as of 2025-04-26. John Owen Brennan is the Director of ImmunityBio Inc and owns about 25,000 shares of ImmunityBio Inc (IBRX) stock worth over $65,250. Details can be seen in John Owen Brennan'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 John Owen Brennan has not made any transactions after 2023-06-02 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 John Owen Brennan

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John Owen Brennan Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, John Owen Brennan owns 1 companies in total, including ImmunityBio Inc (IBRX) .

Click here to see the complete history of John Owen Brennan’s form 4 insider trades.

Insider Ownership Summary of John Owen Brennan

Ticker Company Transaction Date Type of Owner
IBRX ImmunityBio Inc 2023-06-02 director

John Owen Brennan Latest Holdings Summary

John Owen Brennan currently owns a total of 1 stock. John Owen Brennan owns 25,000 shares of ImmunityBio Inc (IBRX) as of June 2, 2023, with a value of $65,250.

Latest Holdings of John Owen Brennan

Ticker Company Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
IBRX ImmunityBio Inc 2023-06-02 25,000 2.61 65,250

Holding Weightings of John Owen Brennan


John Owen Brennan Form 4 Trading Tracker

According to the SEC Form 4 filings, John Owen Brennan has made a total of 1 transactions in ImmunityBio Inc (IBRX) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in ImmunityBio Inc is the acquisition of 25,000 shares on June 2, 2023, which cost John Owen Brennan around $70,750.

Insider Trading History of John Owen Brennan

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.

John Owen Brennan Trading Performance

GuruFocus tracks the stock performance after each of John Owen Brennan's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John Owen Brennan is -44.77%. GuruFocus also compares John Owen Brennan's trading performance to market benchmark return within the same time period. The performance of stocks bought by John Owen Brennan within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how John Owen Brennan'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 John Owen Brennan

Average Return

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Average return per transaction

Outperforming Transactions

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1 out of 1 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(%) 0.36 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) -3.56 LIMIT LIMIT LIMIT LIMIT LIMIT

John Owen Brennan Ownership Network

Ownership Network List of John Owen Brennan

No Data

Ownership Network Relation of John Owen Brennan

Insider Network Chart

John Owen Brennan Owned Company Details

What does ImmunityBio Inc do?

Who are the key executives at ImmunityBio Inc?

John Owen Brennan is the director of ImmunityBio Inc. Other key executives at ImmunityBio Inc include director & 10 percent owner & See remarks Patrick Soon-shiong , 10 percent owner California Capital Equity, Llc , and 10 percent owner Nant Capital, Llc .

ImmunityBio Inc (IBRX) Insider Trades Summary

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

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

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ImmunityBio Inc Insider Transactions

No Available Data

John Owen Brennan Mailing Address

Above is the net worth, insider trading, and ownership report for John Owen Brennan. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, John Owen Brennan's mailing address is: San Diego Ca 92121.