| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Beerman Molly S. | EVP & CFO | 201 ISABELLA STREET, SUITE 500, PITTSBURGH | /s/ Marissa P. Earnest, attorney-in-fact for Molly S. Beerman | 02 Feb 2026 | 0001691997 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AA | Common Stock, par value $0.01 per share | Tax liability | $238,922 | -3,940 | -3.3% | $60.64 | 115,511 | 29 Jan 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents the withholding of shares by the issuer to satisfy the reporting person's tax obligations upon the vesting of restricted stock units (RSUs) granted in 2025. |