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

Role: PRESIDENT & CEO, Director
Signature: /s/ Lisa Coleman, Attorney-in-Fact
Issuer symbol: VERX
Transactions as of: 14 Sep 2023
Net transactions value: -$4,569,495
Form type: 4
Filing time: 18 Sep 2023, 16:20:29 UTC
Previous filing: 20 Jun 2023
Next filing: 19 Dec 2023
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	Options Exercise	$787,162	+314,865	+122%	$2.50^*	573,939	14 Sep 2023	Direct
transaction	VERX	Class A Common Stock	Tax liability	$3,730,414	-179,779	-31%	$20.75	394,160	14 Sep 2023	Direct
transaction	VERX	Class A Common Stock	Options Exercise	$696,720	+186,588	+47%	$3.73^*	580,748	14 Sep 2023	Direct
transaction	VERX	Class A Common Stock	Tax liability	$2,322,962	-111,950	-19%	$20.75	468,798	14 Sep 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	-314,865	-100%	$0.000000^*	0	14 Sep 2023	Class A Common Stock	314,865	$2.50	Direct	F1
transaction	VERX	Stock Option	Options Exercise	$0	-186,588	-50%	$0.000000	185,591	14 Sep 2023	Class A Common Stock	186,588	$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.