| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| PLANT JOHN C | Executive Chairman & CEO | 201 ISABELLA STREET SUITE 200, PITTSBURGH | /s/ Margaret Lam, Assistant Secretary (Attorney-in-Fact) | 18 Feb 2026 | 0001136562 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HWM | Common Stock | Award | $0 | +22,333 | +0.91% | $0.000000 | 2,471,367 | 17 Feb 2026 | Direct | F1 |
| holding | HWM | Common Stock | 551,186 | 17 Feb 2026 | By Trust | F2 | |||||
| holding | HWM | Common Stock | 236,544 | 17 Feb 2026 | By Remainder Trust | F3 |
| Id | Content |
|---|---|
| F1 | Reflects granted restricted share unit awards that are subject to vesting and tax withholding upon vesting. |
| F2 | Shares held in a trust, of which the reporting person is the trustee, grantor and beneficiary. |
| F3 | Shares held in a remainder trust, of which the reporting person is the trustee and grantor, and his children are the beneficiaries. |