WAYSTAR HLDG CORP

Ticker: WAY CUSIP: 946784105 Class: COM

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

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

Q4 2025

Shares 273 Value ($000) $9 Avg Close $35.62 Range $29.40 - $40.35

Q3 2025

Shares 565 Value ($000) $21 Avg Close $37.06 Range $33.42 - $41.47

Q2 2025

Shares 683 Value ($000) $28 Avg Close $38.52 Range $32.71 - $42.55

Q1 2025

Shares 630 Value ($000) $24 Avg Close $39.58 Range $34.97 - $48.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	273	$9	$35.62	$29.40 - $40.35
Q3 2025	565	$21	$37.06	$33.42 - $41.47
Q2 2025	683	$28	$38.52	$32.71 - $42.55
Q1 2025	630	$24	$39.58	$34.97 - $48.11