| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Dunbar David A. | President/CEO/Chairman, Director | 23 KEEWAYDIN DRIVE, SUITE 300, SALEM | /s/ Alan J. Glass | 2025-09-04 | 0001595316 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SXI | Common Stock | Other | $0 | -17.4K | -92.4% | $0.00 | 1.43K | Sep 3, 2025 | Direct | F1 |
| transaction | SXI | Common Stock | Other | $0 | +17.4K | +15.05% | $0.00 | 133K | Sep 3, 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. |