David DeStefano - Sep 14, 2023 Form 4 Insider Report for Vertex, Inc. (VERX)

Role: PRESIDENT & CEO, Director
Signature: /s/ Lisa Coleman, Attorney-in-Fact
Stock symbol: VERX
Transactions as of: Sep 14, 2023
Transactions value $: -$4,569,495
Form type: 4
Date filed: 9/18/2023, 04:20 PM
Previous filing: Jun 20, 2023
Next filing: Dec 19, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VERX	Class A Common Stock	Options Exercise	$787K	+315K	+121.53%	$2.50^*	574K	Sep 14, 2023	Direct
transaction	VERX	Class A Common Stock	Tax liability	-$3.73M	-180K	-31.32%	$20.75	394K	Sep 14, 2023	Direct
transaction	VERX	Class A Common Stock	Options Exercise	$697K	+187K	+47.34%	$3.73^*	581K	Sep 14, 2023	Direct
transaction	VERX	Class A Common Stock	Tax liability	-$2.32M	-112K	-19.28%	$20.75	469K	Sep 14, 2023	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	Exercise Price	Ownership	Footnotes
transaction	VERX	Stock Option	Options Exercise	$0	-315K	-100%	$0.00^*	0	Sep 14, 2023	Class A Common Stock	315K	$2.50	Direct	F1
transaction	VERX	Stock Option	Options Exercise	$0	-187K	-50.13%	$0.00	186K	Sep 14, 2023	Class A Common Stock	187K	$3.73	Direct	F2

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

Explanation of Responses:

Id	Content
F1	This option is fully vested and exercisable.
F2	This option became exercisable with respect to 50% of the shares on December 27, 2021, and will vest with respect to the remaining shares on December 27, 2024.