Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Peter M. Carlson currently holds 7,042 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, Peter M. Carlson has been a net seller of WTM stock. They have purchased $0 and sold $6.9M worth of shares.
Peter M. Carlson's most recent insider trade was on Jun 17, 2026, when they sold 7,042 shares at $0.00 per share.
Peter M. Carlson serves as Executive at WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). They have executed 86 insider transactions totaling $6.9M over their tenure at the company.
Peter M. Carlson 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 19 years and currently hold a stake valued at $0.
Peter M. Carlson has shown a selling trading pattern, with $0 in total purchases and $6.9M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Peter M. Carlson was on Apr 8, 2022, when they purchased $866.3K worth of MDXG shares. This transaction involved 187,500 shares at $4.62 per share.
Peter M. Carlson currently owns 7,042 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 Peter M. Carlson's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Peter M. Carlson has 86 Form 4 filings on record as an insider at WHITE MOUNTAINS INSURANCE GROUP LTD.
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