September 29, 2025 · Form 4 insider transaction
O'Shaughnessy Laura sold 6,568 shares of Graham Holdings at $1190.80 per share, a transaction worth $7.82M. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 1 day after the transaction.
The options exercise was executed in anticipation of the November 12, 2025 expiration date on a net settlement basis.