| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Rowland Bryan T.R. | GENERAL COUNSEL | C/O VERTEX, INC., 2301 RENAISSANCE BLVD, KING OF PRUSSIA | /s/ Lisa Coleman, Attorney-in-Fact | 25 Feb 2026 | 0001607606 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VERX | Class A Common Stock | Options Exercise | $0 | +6,428 | +78% | $0.000000 | 14,640 | 23 Feb 2026 | Direct | |
| transaction | VERX | Class A Common Stock | Tax liability | $21,269 | -1,768 | -12% | $12.03 | 12,872 | 23 Feb 2026 | Direct |
| 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 | -6,428 | -50% | $0.000000 | 6,429 | 23 Feb 2026 | Class A Common Stock | 6,428 | Direct | F1, F2 |
| 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 will vest on February 23, 2027 and have no expiration date. |