Vertex, Inc. — Director's Dealing 2021

May 13, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Vertex, Inc. (VERX)
CIK: 0001806837
Period of Report: 2020-07-31

Reporting Person: Radcliffe Amanda Westphal (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-07-31	Class A Common Stock	P	84210	$19.00	Acquired	92105	Direct
2021-05-11	Class A Common Stock	A	8494	—	Acquired	100599	Direct

Footnotes

F1: Represents shares held jointly by the Reporting Person and her spouse.

F2: Represents an award of restricted stock that will vest on the earlier to occur of (i) the day immediately prior to the date of the next annual meeting of the Company's stockholders and (ii) May 11, 2022.