| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Huffmyer Timothy C. | VP, COO, CFO and Treasurer | 5800 CORPORATE DR., PITTSBURGH | Jennifer M. Reinke, attorney-in-fact for Timothy C. Huffmyer | 10 Jun 2025 | 0001559111 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | SMSI | No securities beneficially owned | 0 | 09 Jun 2025 | Direct |