Maas, Jacob

US insider· US
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  • ACQUIREDStale

    Graham Hldgs Co · NASDAQ

    +1,000 sh

    Filed 31 Aug 2026SEC Form 4view source
  • REDUCEDStale

    Graham Hldgs Co · NASDAQ

    −501 sh · $580.8K

    Filed 31 Aug 2026SEC Form 4view source