Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
John Joseph Byrne currently holds 635,896 shares of WHITE MOUNTAINS INSURANCE GROUP LTD (WTM), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John Joseph Byrne has been a net neutral trader of WTM stock. They have purchased $0 and sold $0 worth of shares.
John Joseph Byrne's most recent insider trade was on Jul 11, 2012, when they sold 50,000 shares at $528.45 per share.
John Joseph Byrne serves as Executive at WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). They have executed 6 insider transactions totaling $0 over their tenure at the company.
John Joseph Byrne holds the position of Executive at WHITE MOUNTAINS INSURANCE GROUP LTD, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
John Joseph Byrne has shown a balanced trading pattern, with $0 in total purchases and $0 in total sales across all transactions. Their most recent activity indicates a balanced approach to trading.
The largest transaction by John Joseph Byrne was on Jul 11, 2012, when they sold $26.4M worth of WTM shares. This transaction involved 50,000 shares at $528.45 per share.
John Joseph Byrne currently owns 635,896 shares of WHITE MOUNTAINS INSURANCE GROUP LTD (WTM), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of John Joseph Byrne's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. John Joseph Byrne has 6 Form 4 filings on record as an insider at WHITE MOUNTAINS INSURANCE GROUP LTD.
Set alerts for John Joseph Byrne and 40,000+ other insiders.