| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SMITH WILLIAM W JR | President and CEO, Director, 10%+ Owner | 5800 CORPORATE DRIVE, PITTSBURGH | /s/ Jennifer M. Reinke as attorney-in-fact for William W. Smith, Jr. | 15 Sep 2025 | 0001251368 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SMSI | Common stock | Tax liability | $701 | -1,001 | -0.29% | $0.7000 | 341,535 | 15 Sep 2025 | Direct | F1 |
| holding | SMSI | Common stock | 3,309,359 | 11 Sep 2025 | Smith Living Trust |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SMSI | Common stock purchase warrant | Award | +467,781 | 467,781 | 11 Sep 2025 | Common stock | 467,781 | $0.7300 | Smith Living Trust | F2 |
| Id | Content |
|---|---|
| F1 | Shares withheld, at an average vesting price of $0.70 per share, for the payment of income taxes. |
| F2 | The common stock purchase warrant was purchased by Smith Living Trust (for which William W. Smith, Jr. serves as co-trustee) together with a promissory note in exchange for aggregate consideration of approximately $400,000. |