O'Shaughnessy Timothy J

O'Shaughnessy Timothy J is listed in filings as President and CEO at Graham Holdings Co. This profile follows SEC Form 4 activity through May 28, 2026, including 16 public disclosures. Recent filings connect the profile to Graham Holdings Co (GHC). The current snapshot covers public activity from Sep 25, 2024 to May 28, 2026. Reported amounts are shown as $7.4M to $7.8M. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.