| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Dunbar David A. | President/CEO/Chairman, Director | 23 KEEWAYDIN DRIVE, SUITE 300, SALEM | /s/ Alan J. Glass | 04 Sep 2025 | 0001595316 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SXI | Common Stock | Other | $0 | -17,397 | -92% | $0.000000 | 1,430 | 03 Sep 2025 | Direct | F1 |
| transaction | SXI | Common Stock | Other | $0 | +17,397 | +15% | $0.000000 | 132,973 | 03 Sep 2025 | Trustee of Trust | F1 |
| Id | Content |
|---|---|
| F1 | All transactions reported herein reflect shares gifted by reporting person to a revocable trust for which the reporting person is Trustee. |