GREAT SOUTHN BANCORP INC

Ticker: GSBC CUSIP: 390905107 Class: Common Stock

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

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

Q4 2025

Shares 68 Value ($000) $4 Avg Close $60.11 Range $53.76 - $66.59

Q3 2025

Shares 68 Value ($000) $4 Avg Close $60.94 Range $55.28 - $65.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	68	$4	$60.11	$53.76 - $66.59
Q3 2025	68	$4	$60.94	$55.28 - $65.35