Mark James Byrne - Net Worth and Insider Trading
Mark James Byrne Net Worth
The estimated net worth of Mark James Byrne is at least $413 Million dollars as of 2024-11-08. Mark James Byrne is the Director of White Mountains Insurance Group Ltd and owns about 222,156 shares of White Mountains Insurance Group Ltd (WTM) stock worth over $413 Million. Details can be seen in Mark James Byrne'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 James Byrne has not made any transactions after 2003-10-16 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Mark James Byrne
Mark James Byrne Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mark James Byrne owns 1 companies in total, including White Mountains Insurance Group Ltd (WTM) .
Click here to see the complete history of Mark James Byrne’s form 4 insider trades.
Insider Ownership Summary of Mark James Byrne
| Ticker | Comapny | Transaction Date | Type of Owner |
|---|---|---|---|
| WTM | White Mountains Insurance Group Ltd | 2003-10-16 | director |
Mark James Byrne Latest Holdings Summary
Mark James Byrne currently owns a total of 1 stock. Mark James Byrne owns 222,156 shares of White Mountains Insurance Group Ltd (WTM) as of October 16, 2003, with a value of $413 Million.
Latest Holdings of Mark James Byrne
| Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| WTM | White Mountains Insurance Group Ltd | 2003-10-16 | 222,156 | 1,860.23 | 413,261,256 |
Holding Weightings of Mark James Byrne
Mark James Byrne Form 4 Trading Tracker
According to the SEC Form 4 filings, Mark James Byrne has made a total of 0 transactions in White Mountains Insurance Group Ltd (WTM) over the past 5 years. The most-recent trade in White Mountains Insurance Group Ltd is the acquisition of 500 shares on October 16, 2003, which cost Mark James Byrne around $212,400.
Insider Trading History of Mark James Byrne
- 1
Mark James Byrne Trading Performance
GuruFocus tracks the stock performance after each of Mark James Byrne's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mark James Byrne is 8.22%. GuruFocus also compares Mark James Byrne's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mark James Byrne 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 Mark James Byrne's insider trading performs compared to the benchmark.
Performance of Mark James Byrne
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | -0.47 | | | | | |
| Relative Return to S&P 500(%) | -0.5 | | | | | |
Mark James Byrne Ownership Network
Ownership Network List of Mark James Byrne
Ownership Network Relation of Mark James Byrne
Mark James Byrne Owned Company Details
What does White Mountains Insurance Group Ltd do?
Who are the key executives at White Mountains Insurance Group Ltd?
Mark James Byrne is the director of White Mountains Insurance Group Ltd. Other key executives at White Mountains Insurance Group Ltd include Chief Accounting Officer Michaela Hildreth , EVP & Chief Financial Officer Liam P Caffrey , and EVP & General Counsel Robert Lawrence Seelig .
White Mountains Insurance Group Ltd (WTM) Insider Trades Summary
Over the past 18 months, Mark James Byrne made no insider transaction in White Mountains Insurance Group Ltd (WTM). Other recent insider transactions involving White Mountains Insurance Group Ltd (WTM) include a net purchase of 2,000 shares made by Weston M Hicks ,
In summary, during the past 3 months, insiders sold 0 shares of White Mountains Insurance Group Ltd (WTM) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of White Mountains Insurance Group Ltd (WTM) were sold and 2,000 shares were bought by its insiders, resulting in a net purchase of 2,000 shares.
White Mountains Insurance Group Ltd (WTM)'s detailed insider trading history can be found in Insider Trading Tracker table.
White Mountains Insurance Group Ltd Insider Transactions
Mark James Byrne Mailing Address
Above is the net worth, insider trading, and ownership report for Mark James Byrne. Currently GuruFocus does not have mailing address information for Mark James Byrne.
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