| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gagliano Nancy J | Director | 220 EAST FIRST STREET, BETHLEHEM | /s/ Michele Anthony, Attorney-in-Fact | 02 Dec 2025 | 0001895306 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSUR | Common Stock | Purchase | $4,982 | +2,100 | +1.3% | $2.37 | 160,254 | 28 Nov 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares of common stock purchased in the open market on November 28, 2025. |