Stefanie Westphal Thompson - Dec 6, 2023 Form 4 Insider Report for Vertex, Inc. (VERX)

Role: Director, 10%+ Owner
Signature: /s/ Bryan Rowland, Attorney-in-fact
Stock symbol: VERX
Transactions as of: Dec 6, 2023
Transactions value $: $0
Form type: 4
Date filed: 12/8/2023, 04:30 PM
Previous filing: Jun 15, 2023
Next filing: Jun 14, 2024

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	Will/Inheritance	$0	-2.37M	-100%	$0.00^*	0	Dec 6, 2023	Class A Common Stock	2.37M	By Irr. Trust of Antoinette M. Westphal, 3/31/87, Stefanie W. Thompson and Sterling Trustees, LLC	F1
transaction	VERX	Class B Common Stock	Will/Inheritance	$0	+789K	+1610.2%	$0.00	838K	Dec 6, 2023	Class A Common Stock	789K	Direct	F1
holding	VERX	Class B Common Stock						30.3M	Dec 6, 2023	Class A Common Stock	30.3M	By The 2009 Stefanie W. Lucas Generation Skipping Trust	F1, F2
holding	VERX	Class B Common Stock						1.79M	Dec 6, 2023	Class A Common Stock	1.79M	By Irr. Trust of RJW, Settlor, 7/19/07 - Separate Trust for Benefit of Stefanie W. Lucas	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.
F2	The Form 3 originally filed by the reporting person understated the reporting person's indirect ownership of Class B Common Stock by approximately 36,589 shares. This Form 4 reflects the correct number of shares.

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.

The Form 3 originally filed by the reporting person understated the reporting person's indirect ownership of Class B Common Stock by approximately 36,589 shares. This Form 4 reflects the correct number of shares.