| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Kulasa Matthew S | SVP, Corp. Controller & CAO | 225 W STATION SQUARE DRIVE, SUITE 700, PITTSBURGH | /s/ Michele Nelson, as Attorney-in-Fact | 07 Nov 2025 | 0001611129 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WCC | Common Stock | Sale | $200,012 | -790 | -19% | $253.18 | 3,320 | 05 Nov 2025 | Direct |