Ryan J. Leib - 20 Feb 2026 Form 4 Insider Report for Vertex, Inc. (VERX)

Signature
/s/ Lisa Coleman, Attorney-in-Fact
Issuer symbol
VERX
Transactions as of
20 Feb 2026
Net transactions value
-$26,053
Form type
4
Filing time
24 Feb 2026, 16:24:52 UTC
Previous filing
23 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Leib Ryan J Chief Accounting Officer C/O VERTEX, INC., 2301 RENAISSANCE BLVD., KING OF PRUSSIA /s/ Lisa Coleman, Attorney-in-Fact 24 Feb 2026 0001659260

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 +129% $0.000000 7,155 20 Feb 2026 Direct
transaction VERX Class A Common Stock Tax liability $16,091 -1,263 -18% $12.74 5,892 20 Feb 2026 Direct
transaction VERX Class A Common Stock Options Exercise $0 +2,313 +39% $0.000000 8,205 20 Feb 2026 Direct
transaction VERX Class A Common Stock Tax liability $9,963 -782 -9.5% $12.74 7,423 20 Feb 2026 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 -33% $0.000000 8,071 20 Feb 2026 Class A Common Stock 4,035 Direct F1, F2
transaction VERX Restricted Stock Units Options Exercise $0 -2,313 -25% $0.000000 6,941 20 Feb 2026 Class A Common Stock 2,313 Direct F1, F3
* 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 two equal installments on each of February 22, 2027 and February 22, 2028 and have no expiration date.
F3 The remaining restricted stock units that will vest in three equal installments on each of February 20, 2027, February 20, 2028 and February 20, 2029 and have no expiration date.