| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sharma Chetan | Director | 5800 CORPORATE DRIVE, PITTSBURGH | /s/ Jennifer M. Reinke as attorney-in-fact for Chetan Sharma | 10 Mar 2026 | 0001922870 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SMSI | Stock option (right to buy) | Award | +12,500 | $0.000000* | 12,500 | 09 Mar 2026 | Common stock | 12,500 | $0.6862 | Direct |