| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| EDRICK ALAN I | EVP & CFO | 12525 CHADRON AVE, HAWTHORNE | /s/ Alan Edrick | 24 Dec 2025 | 0001195340 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSIS | Common Stock | Gift | $0 | -1,500 | -0.51% | $0.000000 | 295,380 | 23 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Reflects the gift of common stock to a charitable donor advised fund |