| 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) | 18 Feb 2026 | 0001864896 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HWM | Common Stock | Tax liability | $673,565 | -2,692 | -9.9% | $250.21 | 24,428 | 16 Feb 2026 | Direct | F1 |
| transaction | HWM | Common Stock | Award | $0 | +446 | +1.8% | $0.000000 | 24,874 | 17 Feb 2026 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents payment of tax liability by delivering or withholding shares incident to the vesting of a stock award issued in accordance with Rule 16b-3. |
| F2 | Reflects granted restricted share unit awards that are subject to vesting and tax withholding upon vesting. |