Greedy Insider · Filing
GHC · 13D amendment · Laura G. O'Shaughnessy
Laura G. O'Shaughnessy reported a 12.0% stake in Graham Holdings Company (GHC) in a Schedule 13D amendment filed on Nov 2, 2026, triggered by an event on Oct 29, 2026.
Describes filing structure, not future returns. Not investment advice.
Primary source: SEC EDGAR · Accession 0000950157-26-001154