Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| No transactions found | ||||||||||
David Allen Tanner currently holds 2,014 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, David Allen Tanner has been a net buyer of WTM stock. They have purchased $676.0K and sold $0 worth of shares.
David Allen Tanner's most recent insider trade was on May 21, 2026, when they sold 135 shares at $0.00 per share.
David Allen Tanner serves as Executive at WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). They have executed 15 insider transactions totaling $676.0K over their tenure at the company.
David Allen Tanner 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.
David Allen Tanner has shown a buying trading pattern, with $676.0K in total purchases and $0 in total sales across all transactions. Their most recent activity indicates a tendency to accumulate shares.
The largest transaction by David Allen Tanner was on Mar 26, 2019, when they purchased $454.6K worth of WTM shares. This transaction involved 495 shares at $918.46 per share.
David Allen Tanner currently owns 2,014 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 David Allen Tanner's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. David Allen Tanner has 15 Form 4 filings on record as an insider at WHITE MOUNTAINS INSURANCE GROUP LTD.
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