GRAHAM HOLDINGS CO-CLASS B (GHC) Insider Trading Activity & SEC Form 4 Filings

Based on the latest SEC Form 4 filings as of May 26, 2026, this page tracks insider trading activity for GHC, including executive stock transactions, insider buying, and insider selling. Recent filings highlight notable transactions from executives including O'Shaughnessy Laura, O'Shaughnessy Laura, O'Shaughnessy Timothy J, and other corporate insiders, with 1 buyer and 4 sellers. O'Shaughnessy Laura recorded one of the most significant insider transactions with an estimated value of $0. This page helps investors analyze insider buying and selling activity, executive stock transaction patterns, and corporate insider sentiment using SEC Form 4 disclosures.