| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Olin John A | Executive Vice President & CFO | 30 ISABELLA ST., PITTSBURGH | David L. DeNinno, POA for John Olin | 25 Feb 2026 | 0001466990 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WAB | Common Stock - Direct | Sale | $2,896,300 | -11,000 | -15% | $263.30 | 60,487 | 24 Feb 2026 | Direct |