| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cassotis Christina Anne | Director | 800 PHILADELPHIA STREET, INDIANA | /s/ Jackie Kennane, attorney-in-fact for Christina Anne Cassotis | 13 Feb 2026 | 0001710652 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | STBA | Common Stock | Other | $1,236 | +31 | +0.21% | $39.35 | 15,312 | 31 Dec 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | STBA | Director Restricted Stock Units | 1,290 | 31 Dec 2025 | Common Stock | 1,290 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | Increase due to reinvested dividends in a dividend reinvestment plan. |
| F2 | Each restricted stock unit represents a contingent right to receive one share of S&T Bancorp, Inc. common stock. |
| F3 | The restricted stock units vest in 364 days from date of issuance. Vested shares will be delivered to the reporting person upon vesting. |