GRAHAM HLDGS CO

Ticker: GHC CUSIP: 384637104 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 21 Value ($000) $23 Avg Close $1066.70 Range $926.52 - $1178.82

Q3 2025

Shares 31 Value ($000) $36 Avg Close $1030.17 Range $879.14 - $1195.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	21	$23	$1066.70	$926.52 - $1178.82
Q3 2025	31	$36	$1030.17	$879.14 - $1195.82