| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Harty Linda S | Director | 30 ISABELLA ST., PITTSBURGH | David L. DeNinno, POA for Linda S. Harty | 31 Jul 2025 | 0001388153 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WAB | Common Stock - Direct | Gift | $0 | -2,270 | -16% | $0.000000 | 11,717 | 30 Jul 2025 | Direct |