| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HAWKINS JAMES B | Director | 12525 CHADRON AVE, HAWTHORNE | /s/ James Hawkins | 22 Aug 2025 | 0000898243 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSIS | Common Stock | Award | $199,934 | +895 | +15.9% | $223.39 | 6,536 | 20 Aug 2025 | Direct |