Ryan J. Leib - 21 Feb 2025 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: 21 Feb 2025
Net transactions value: -$50,842
Form type: 4
Filing time: 25 Feb 2025, 16:18:50 UTC
Previous filing: 24 Feb 2025
Next filing: 14 May 2025
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	+4,035	+141%	$0.000000	6,905	21 Feb 2025	Direct
transaction	VERX	Class A Common Stock	Tax liability	$50,842	-1,150	-17%	$44.21	5,755	21 Feb 2025	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	-4,035	-25%	$0.000000	12,106	21 Feb 2025	Class A Common Stock	4,035		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 that will vest in three equal annual installments on each of February 22, 2026, February 22, 2027 and February 22, 2028 and have no expiration date.