| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| DeNinno David L | Exec VP, General Counsel, Sec. | 30 ISABELLA ST., PITTSBURGH | David L. DeNinno | 14 Nov 2025 | 0001543091 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WAB | Common Stock - Direct | Sale | $1,049,700 | -5,000 | -8.3% | $209.94 | 55,450 | 12 Nov 2025 | Direct |