Vertex (VERX) CFO converts RSUs and uses 13,489 shares for tax

Rhea-AI Filing Summary

Vertex, Inc. chief financial officer John R. Schwab reported equity award activity. On February 10, 2026, he exercised 24,010 restricted stock units, receiving the same number of Class A common shares at $0 per share. To cover tax obligations, 13,489 shares of Class A common stock were disposed of at $14.88 per share. Following these transactions, he directly owned 100,145 Class A common shares.

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SCHWAB JOHN R

(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		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF FINANCIAL OFFICER

3. Date of Earliest Transaction (Month/Day/Year)
02/10/2026

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	02/10/2026		M		24,010	A	$0	113,634	D
Class A Common Stock	02/10/2026		F		13,489	D	$14.88	100,145	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)	02/10/2026		M			24,010	(2)	(2)	Class A Common Stock	24,010	$0	0	D

Explanation of Responses:

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

2. This restricted stock unit award is fully vested.

	/s/ Lisa Coleman, Attorney-in-Fact	02/12/2026
	** 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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FAQ

What insider transaction did Vertex (VERX) CFO John R. Schwab report?

John R. Schwab reported exercising 24,010 restricted stock units into Class A common shares and disposing of 13,489 shares to satisfy tax obligations. After these transactions, he directly held 100,145 shares of Vertex Class A common stock.

How many Vertex (VERX) shares did the CFO acquire and at what price?

The CFO acquired 24,010 shares of Vertex Class A common stock upon exercising restricted stock units at an exercise price of $0 per share. Each restricted stock unit converted into one share of Class A common stock, reflecting a fully vested award.

Why were 13,489 Vertex (VERX) shares disposed of in this Form 4?

The 13,489 Vertex Class A common shares were disposed of to pay tax liabilities related to the equity award. The transaction used a price of $14.88 per share, consistent with a tax-withholding disposition under transaction code F in the filing.

What does transaction code M mean in the Vertex (VERX) Form 4?

Transaction code M indicates the exercise or conversion of a derivative security. In this case, it reflects the conversion of 24,010 restricted stock units into the same number of Vertex Class A common shares at an exercise price of $0 per share.

What does transaction code F represent in this Vertex (VERX) insider filing?

Transaction code F represents payment of an exercise price or tax liability by delivering securities. Here, 13,489 Vertex Class A common shares were used to satisfy tax obligations associated with the restricted stock unit exercise, rather than an ordinary open-market sale.

How many Vertex (VERX) shares does the CFO own after the reported transactions?

After exercising restricted stock units and disposing of shares for taxes, the CFO directly owns 100,145 shares of Vertex Class A common stock. This figure reflects his beneficial ownership immediately following the transactions reported for February 10, 2026.