Form4insider filings, from the source

Insider · CIK 0001813477

Laura O'Shaughnessy

Files at: GHC. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 13, 2026 JForm 4 →Aug 14, 4:16 pm EDTGraham Holdings CoGHC4,211——22,865—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 13, 2026 JForm 4 →Aug 14, 4:16 pm EDTGraham Holdings CoGHC8,422——19,922—