Lisa Butler - 13 Feb 2024 Form 4 Insider Report for Vertex, Inc. (VERX)

Role: CHIEF ACCOUNTING OFFICER
Signature: /s/ Lisa Coleman, Attorney-in-Fact
Issuer symbol: VERX
Transactions as of: 13 Feb 2024
Net transactions value: -$40,295
Form type: 4
Filing time: 15 Feb 2024, 16:07:00 UTC
Previous filing: 18 Jul 2023
Next filing: 27 Feb 2024
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	$0	+4,484	+1794%	$0.000000	4,734	13 Feb 2024	Direct
transaction	VERX	Class A Common Stock	Tax liability	$40,295	-1,516	-32%	$26.58	3,218	13 Feb 2024	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	Restricted Stock Units	Options Exercise	$0	-4,484	-33%	$0.000000	8,969	13 Feb 2024	Class A Common Stock	4,484		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.
F2	The remaining restricted stock units will vest in two equal annual installments on each of February 10, 2025 and February 10, 2026 and have no expiration date.