Jeffrey Westphal - May 7, 2021 Form 4 Insider Report for Vertex, Inc. (VERX)

Role: 10%+ Owner
Signature: By: /s/ Lisa Coleman, Attorney-in-Fact
Stock symbol: VERX
Transactions as of: May 7, 2021
Transactions value $: $0
Form type: 4
Date filed: 5/11/2021, 05:35 PM
Next filing: Dec 1, 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VERX	Class A Common Stock	Conversion of derivative security	$0	+12.1M		$0.00	12.1M	May 7, 2021	By The 2009 Jeffrey R. Westphal Generation Skipping Trust
holding	VERX	Class A Common Stock						7.9K	May 7, 2021	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Ownership	Footnotes
transaction	VERX	Class B Common Stock	Conversion of derivative security	$0	-12.1M	-43.12%	$0.00	16M	May 7, 2021	Class A Common Stock	12.1M	By The 2009 Jeffrey R.Westphal Generation Skipping Trust	F1
holding	VERX	Class B Common Stock						49K	May 7, 2021	Class A Common Stock	49K	Direct	F1
holding	VERX	Class B Common Stock						1.15M	May 7, 2021	Class A Common Stock	1.15M	By Rainer J. Westphal 2007 Separate Exempt Trust FBO Jeffrey Westphal	F1
holding	VERX	Class B Common Stock						332K	May 7, 2021	Class A Common Stock	332K	By Rainer J. Westphal 2007 Separate Non-Exempt Trust FBO Jeffrey Westphal	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.

Content

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.