| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WEAVER GREGORY L | Chief Financial Officer | 910 CLOPPER ROAD, SUITE 201S, GAITHERSBURG | /s/ Gregory Weaver | 09 Mar 2026 | 0001251779 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALT | Common Stock, par value $0.0001 | Purchase | $17,700 | +5,000 | +22% | $3.54 | 28,078 | 06 Mar 2026 | Direct |