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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	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* Westphal Jeffery (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) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 10/26/2022
	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	10/26/2022		X		750,000(1)	D	$7.85	10,550,000	I	By The 2009 Jeffrey R. Westphal Generation Skipping Trust
Class A Common Stock								1,345,950	I	See Footnote(2)
Class A Common Stock								7,895	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
Call Option (Obligation to Sell)	$7.85	10/26/2022		X			750,000(1)	07/29/2022	10/27/2022	Class A Common Stock	750,000	$0	0	I	By The 2009 Jeffrey R. Westphal Generation Skipping Trust

Explanation of Responses:

1. In connection with the privately negotiated sale of shares of Class A Common Stock reported in the Form 4 filed on August 2, 2022, the Reporting Person granted the buyer an option to purchase up to 750,000 additional shares of Class A Common Stock at a price of $7.85 per share. The buyer exercised this option and the shares were paid for and delivered on October 26, 2022.

2. Represents shares held by The 2009 Jeffrey R. Westphal Generation-Skipping Sub-Trust for Jenifer R. Westphal (the "Sub-Trust"), of which the Reporting Person's spouse is trustee.

	/s/ Jeffrey Westphal	10/26/2022
	** 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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