| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Vartanian Nishan J. | Director | 436 SEVENTH AVENUE, PITTSBURGH | /s/Stephanie L. Apostolou, Attorney in Fact | 09 May 2025 | 0001564614 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KOP | Common Stock | Award | $0 | +4.78K | +186.93% | $0.00 | 7.33K | 08 May 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The reporting person was awarded time-based restricted stock units. |