| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| WOLTOSZ WALTER S | Director, 10%+ Owner | 800 PARK OFFICES DRIVE, SUITE 401, RESEARCH TRIANGLE PARK | /s/ William Frederick, attorney-in-fact for Walter S. Woltosz and Virginia E. Woltosz | 22 Dec 2025 | 0001222526 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SLP | Common Stock | Gift | $0 | -9,095 | -0.28% | $0.000000 | 3,278,907 | 18 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The reporting person(s) made a bona fide gift of 9,095 shares of common stock to the Auburn University Foundation. |