STOCK TITAN

Vertex (VERX) director adds stock via RSUs, uses shares for taxes

Filing Impact
(Moderate)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Vertex, Inc. director David DeStefano reported multiple equity transactions on February 20, 2026 tied to restricted stock unit (RSU) vesting. He exercised RSUs that converted into shares of Class A Common Stock, and then delivered a portion of those shares to cover tax obligations.

Two RSU awards were exercised at a price of $0.00 per unit, each RSU representing one share of Class A Common Stock. To satisfy tax liabilities, DeStefano disposed of 23,705 shares and 12,523 shares of Class A Common Stock at $12.74 per share through tax-withholding transactions, rather than open‑market sales.

After these transactions, he directly held 1,143,984 shares of Class A Common Stock and additional RSUs that will vest in equal annual installments on February 22, 2027 and 2028 and on February 20, 2027, 2028 and 2029. He also indirectly held 204,032 shares of Class A Common Stock through family trusts, where his spouse serves as trustee.

Positive

  • None.

Negative

  • None.
Insider DeStefano David
Role Director
Type Security Shares Price Value
Exercise Restricted Stock Units 69,527 $0.00 --
Exercise Restricted Stock Units 44,014 $0.00 --
Exercise Class A Common Stock 69,527 $0.00 --
Tax Withholding Class A Common Stock 23,705 $12.74 $302K
Exercise Class A Common Stock 44,014 $0.00 --
Tax Withholding Class A Common Stock 12,523 $12.74 $160K
holding Class A Common Stock -- -- --
Holdings After Transaction: Restricted Stock Units — 139,055 shares (Direct); Class A Common Stock — 1,136,198 shares (Direct); Class A Common Stock — 204,032 shares (Indirect, By Family Trusts)
Footnotes (1)
  1. Includes 84 shares acquired through the Company's Employee Stock Purchase Plan. Represents securities held by individual trusts for the benefit of the Reporting Person's three adult children. The Reporting Person's spouse serves as a trustee of each such trust. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock. The remaining restricted stock units will vest in two equal annual installments on each of February 22, 2027 and February 22, 2028 and have no expiration date. The remaining restricted stock units will vest in three equal annual installments on each of February 20, 2027, February 20, 2028 and February 20, 2029 and have no expiration date.
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).
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*
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
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026
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 02/20/2026 M 69,527 A $0 1,136,198(1) D
Class A Common Stock 02/20/2026 F 23,705 D $12.74 1,112,493 D
Class A Common Stock 02/20/2026 M 44,014 A $0 1,156,507 D
Class A Common Stock 02/20/2026 F 12,523 D $12.74 1,143,984 D
Class A Common Stock 204,032 I By Family Trusts(2)
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 (3) 02/20/2026 M 69,527 (4) (4) Class A Common Stock 69,527 $0 139,055 D
Restricted Stock Units (3) 02/20/2026 M 44,014 (5) (5) Class A Common Stock 44,014 $0 132,043 D
Explanation of Responses:
1. Includes 84 shares acquired through the Company's Employee Stock Purchase Plan.
2. Represents securities held by individual trusts for the benefit of the Reporting Person's three adult children. The Reporting Person's spouse serves as a trustee of each such trust.
3. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.
4. The remaining restricted stock units will vest in two equal annual installments on each of February 22, 2027 and February 22, 2028 and have no expiration date.
5. The remaining restricted stock units will vest in three equal annual installments on each of February 20, 2027, February 20, 2028 and February 20, 2029 and have no expiration date.
/s/ Lisa Coleman, Attorney-in-Fact 02/24/2026
** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Vertex (VERX) director David DeStefano report in this Form 4?

David DeStefano reported RSU exercises and related tax-withholding share dispositions. RSUs converted into Class A Common Stock, and some shares were delivered back to cover tax liabilities, rather than sold in the open market.

How many Vertex (VERX) shares did David DeStefano dispose of for taxes?

He disposed of 23,705 shares and 12,523 shares of Class A Common Stock at $12.74 per share. These transactions were coded “F,” meaning they were used to pay tax liabilities associated with equity awards.

How many Vertex (VERX) shares does David DeStefano hold after these transactions?

After the reported transactions, he directly held 1,143,984 shares of Class A Common Stock. In addition, he indirectly held 204,032 shares through family trusts, with his spouse serving as trustee for those trusts.

What do the RSU vesting schedules mean for Vertex (VERX) director David DeStefano?

The remaining restricted stock units vest in equal installments across 2027, 2028 and 2029. As each installment vests, DeStefano will receive additional Class A Common Stock, subject to any future tax-withholding share dispositions.

How were family trusts involved in this Vertex (VERX) insider filing?

The filing notes 204,032 shares of Class A Common Stock are held indirectly through individual trusts for DeStefano’s three adult children. His spouse serves as trustee of each trust, and these holdings are reported as indirect ownership.

Were any of David DeStefano’s Vertex (VERX) transactions open-market buys or sells?

No open-market purchases or sales were reported. The transactions involved RSU exercises at $0.00 and share dispositions coded “F,” which indicate delivery of shares to satisfy tax liabilities related to those equity awards.