VERTEX INC

Ticker: VERX CUSIP: 92538J106 Class: Common Stock

Banco Santander, S.A.'s Holding History (CIK: 0000891478)

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

Q4 2025

Shares 184,826 Value ($000) $3,691 Avg Close $21.63 Range $18.54 - $26.54

Q3 2025

Shares 177,826 Value ($000) $4,408 Avg Close $28.97 Range $23.13 - $36.75

Q2 2025

Shares 338,000 Value ($000) $11,943 Avg Close $38.05 Range $33.22 - $42.44

Q1 2025

Shares 350,000 Value ($000) $12,254 Avg Close $45.68 Range $30.26 - $60.71

Q4 2024

Shares 232,000 Value ($000) $12,377 Avg Close $48.49 Range $38.09 - $57.74

Q3 2024

Shares 310,000 Value ($000) $11,938 Avg Close $36.86 Range $34.19 - $40.05

Q2 2024

Shares 297,873 Value ($000) $10,738 Avg Close $32.18 Range $27.22 - $36.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	184,826	$3,691	$21.63	$18.54 - $26.54
Q3 2025	177,826	$4,408	$28.97	$23.13 - $36.75
Q2 2025	338,000	$11,943	$38.05	$33.22 - $42.44
Q1 2025	350,000	$12,254	$45.68	$30.26 - $60.71
Q4 2024	232,000	$12,377	$48.49	$38.09 - $57.74
Q3 2024	310,000	$11,938	$36.86	$34.19 - $40.05
Q2 2024	297,873	$10,738	$32.18	$27.22 - $36.36