VERTEX INC

Ticker: VERX CUSIP: 92538J106 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2025

Shares 4,524 Value ($000) $90 Avg Close $21.63 Range $18.54 - $26.54

Q3 2025

Shares 67,788 Value ($000) $1,680 Avg Close $28.97 Range $23.13 - $36.75

Q1 2025

Shares 6,101 Value ($000) $214 Avg Close $45.68 Range $30.26 - $60.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,524	$90	$21.63	$18.54 - $26.54
Q3 2025	67,788	$1,680	$28.97	$23.13 - $36.75
Q1 2025	6,101	$214	$45.68	$30.26 - $60.71