| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SCHWAB JOHN R | CHIEF FINANCIAL OFFICER | C/O VERTEX, INC., 2301 RENAISSANCE BLVD, KING OF PRUSSIA | /s/ Lisa Coleman, Attorney-in-Fact | 12 Feb 2026 | 0001249289 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | VERX | Class A Common Stock | Options Exercise | $0 | +24,010 | +27% | $0.000000 | 113,634 | 10 Feb 2026 | Direct | |
| transaction | VERX | Class A Common Stock | Tax liability | $200,716 | -13,489 | -12% | $14.88 | 100,145 | 10 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 | -24,010 | -100% | $0.000000 | 0 | 10 Feb 2026 | Class A Common Stock | 24,010 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit represents a contingent right to receive one share of the Issuers Class A Common Stock. |
| F2 | This restricted stock unit award is fully vested. |