David DeStefano - Mar 1, 2021 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: Mar 1, 2021
Transactions value $: $8,415
Form type: 4
Date filed: 11/12/2021, 03:26 PM
Next filing: May 14, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	VERX	Class A Common Stock	Options Exercise	$8.42K	+55K	+10.88%	$0.15^*	561K	Mar 10, 2021	Direct	F1

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	-55K	-13.55%	$0.00	351K	Mar 10, 2021	Class A Common Stock	55K	$0.15	Direct	F2
transaction	VERX	Stock Option	Award	$0	+133K		$0.00	133K	Mar 1, 2021	Class A Common Stock	133K	$32.16	Direct	F3
transaction	VERX	Restricted Stock Units	Award	$0	+114K		$0.00	114K	Mar 1, 2021	Class A Common Stock	114K		Direct	F4, F5

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

Explanation of Responses:

Id	Content
F1	Includes 53 shares of restricted stock that were inadvertently omitted from filer's Form 3. The amount reported in column 5 reflects the number of shares of Class A Common Stock beneficially owned as of the date hereof.
F2	Fully vested and exercisable and has no expiration date.
F3	This option will vest and become exercisable with respect to 25% of the shares on each of March 1, 2022, March 1, 2023, March 1, 2024 and March 1, 2025.
F4	Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.
F5	Represents an award of restricted stock units that will vest as to 50% of the shares on March 1, 2023, and 25% of the shares on each of March 1, 2024 and March 1, 2025.