Vertex, Inc. — Director's Dealing 2021

Jan 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Vertex, Inc. (VERX)
CIK: 0001806837
Period of Report: 2020-12-30

Reporting Person: Westphal Jeffery (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-30	Class A Common Stock	C	300000	—	Acquired	307895	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-30	Class B Common Stock	$	C	300000	Disposed		Class A Common Stock (300000)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$		Class A Common Stock (28169052.63)	28169052.63	Indirect
Class B Common Stock	$		Class A Common Stock (1153756)	1153756	Indirect
Class B Common Stock	$		Class A Common Stock (332244)	332244	Indirect

Footnotes

F1: The shares of Class A Common Stock reported herein remain subject to a lock-up agreement with the underwriters for the Issuer's initial public offering.

F2: The Class B Common Stock is convertible at any time at the option of the holder into one share of the Issuer's Class A Common Stock and has no expiration date. The Class B Common Stock will automatically convert into shares of the Issuer's Class A Common Stock on a one-to-one basis upon either (1) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions or (2) the voting power of the Issuer's outstanding Class B Common Stock representing less than 10% of the combined voing power of all of the Issuer's outstanding common stock.

F3: Acquired from the Irrevocable Trust of Rainer J. Westphal, Settlor, dated July 19, 2007 - Separate Trust for Benefit of Jeffrey Westphal in a series of transactions exempt from reporting under Rule 16a-13.