| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Shultz Barbara Lou | Vice President and Controller | 201 ISABELLA STREET SUITE 200, PITTSBURGH | /s/ Margaret Lam, Assistant Secretary (Attorney-in-Fact) | 27 Feb 2026 | 0001864896 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HWM | Common Stock | Sale | $260,005 | -1,000 | -4% | $260.00 | 23,874 | 26 Feb 2026 | Direct |