| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| EDRICK ALAN I | EVP & CFO | 12525 CHADRON AVE, HAWTHORNE | /s/ Alan Edrick | 01 Jul 2025 | 0001195340 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSIS | Common Stock | Award | $10.5K | +75 | +0.03% | $140.61 | 285K | 30 Jun 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Acquired pursuant to issuer's Employee Stock Purchase Plan. |