| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Bacchi Renato | EVP & Chief Commercial Officer | 201 ISABELLA STREET, SUITE 500, PITTSBURGH | /s/ Marissa P. Earnest, attorney-in-fact for Renato Bacchi | 28 Jan 2026 | 0001907073 |
| 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 | $422,380 | -7,214 | -9.9% | $58.55 | 65,835 | 26 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 2023 and 2024. |