Vertex, Inc. — Director's Dealing 2026

Feb 25, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Vertex, Inc. (VERX)
CIK: 0001806837
Period of Report: 2026-02-23

Reporting Person: Young Christopher David (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-23	Class A Common Stock	P	60000	$12.1799	Acquired	60000	Indirect

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $11.9832 to $12.2862 inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.