WAYSTAR HLDG CORP

Ticker: WAY CUSIP: 946784105 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2025

Shares 41,226 Value ($000) $1,350 Avg Close $35.62 Range $29.40 - $40.35

Q3 2025

Shares 45,133 Value ($000) $1,711 Avg Close $37.06 Range $33.42 - $41.47

Q2 2025

Shares 46,677 Value ($000) $1,908 Avg Close $38.52 Range $32.71 - $42.55

Q1 2025

Shares 37,636 Value ($000) $1,406 Avg Close $39.58 Range $34.97 - $48.11

Q4 2024

Shares 5,331 Value ($000) $196 Avg Close $30.74 Range $26.56 - $38.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	41,226	$1,350	$35.62	$29.40 - $40.35
Q3 2025	45,133	$1,711	$37.06	$33.42 - $41.47
Q2 2025	46,677	$1,908	$38.52	$32.71 - $42.55
Q1 2025	37,636	$1,406	$39.58	$34.97 - $48.11
Q4 2024	5,331	$196	$30.74	$26.56 - $38.34