Form4insider filings, from the source

SEC Form 4 · accession 0000950157-26-000904

Graham Holdings Co · GHC

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Timothy J O'Shaughnessy
Officer — President and CEO · Director
Period of report
Aug 13, 2026
Accepted (ET)
Aug 14, 2026 · 4:18 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000104889

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Class B Common StockF3,F2Aug 13, 2026J4,211—D22,878D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Class A Common StockF3,F4—Aug 13, 2026J4,211A——Class B Common Stock4,21115,711I
Class A Common StockF3,F4—Aug 13, 2026J4,211A——Class B Common Stock4,21119,922I

Explanation of responses