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WTMWHITE MOUNTAINS INSURANCE GROUP LTD
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8
  • 8.31After-hours26.09.01 06:04
    4Ownership#●●●

    WHITE MOUNTAINS INSURANCE GROUP LTD

    David Allen Tanner, an insider at White Mountains Insurance Group, filed an SEC Form 4 on August 31, 2026, to report a change in his beneficial ownership of securities. This filing serves as an official record of the insider's equity transaction for investor transparency.…more

    $2,231.03+0.23%vs prev closeDetected5m · 30m · 60m · Next dayPLUS
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  • 8.27Regular26.08.28 04:46
    4Ownership

    WHITE MOUNTAINS INSURANCE GROUP LTD

    Insider Stephen Klar of White Mountains Insurance Group Ltd reported a change in beneficial ownership of company securities on August 26, 2026, via SEC Form 4. This filing officially documents the adjustment in the insider's shareholdings, providing investors with transparency regarding management's equity position.…more

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  • 8.27Regular26.08.28 04:39
    3Ownership

    WHITE MOUNTAINS INSURANCE GROUP LTD

    Stephen Klar, an officer and director of White Mountains Insurance Group, Ltd., executed a power of attorney on July 27, 2026. This grants three designated attorneys-in-fact the authority to execute and file SEC regulatory forms, including Forms 3, 4, and 5, on his behalf.…more

    $2,231.03+0.23%vs prev close
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