| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| EDRICK ALAN I | EVP & CFO | 12525 CHADRON AVE, HAWTHORNE | /s/ Alan Edrick | 15 May 2025 | 0001195340 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSIS | Common Stock | Sale | -$4.58M | -20K | -6.56% | $229.00 | 285K | 13 May 2025 | Direct |