David DeStefano Form 4 Vertex / David DeStefano ownership change

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

DeStefano David

(Last) (First) (Middle)

C/O VERTEX, INC.

2301 RENAISSANCE BLVD

(Street)

KING OF PRUSSIA PA 19406

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Vertex, Inc. [ VERX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
PRESIDENT & CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2023

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	02/24/2023		M		109,232	A	$0	376,892	D
Class A Common Stock	02/24/2023		F		45,871	D	$15.44	331,021	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	02/24/2023		M			109,232	(2)	(2)	Class A Common Stock	109,232	$0	327,698	D
Restricted Stock Units	(1)	02/23/2023		A		405,581		(3)	(3)	Class A Common Stock	405,581	$0	405,581	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.

2. The remaining restricted stock units will vest in three equal annual installments on each of February 24, 2024, February 24, 2025 and February 24, 2026 and have no expiration date.

3. Represents an award of restricted stock units that will vest as to 25% of the amount of shares on each of February 23, 2024, February 23, 2025, February 23, 2026 and February 23, 2027.

	/s/ Lisa Coleman, Attorney-in-Fact	02/27/2023
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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