| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Okawa Cary M. | CHIEF ACCOUNTING OFFICER | 12525 CHADRON AVE, HAWTHORNE | /s/ Cary Okawa | 02 Jan 2026 | 0001584218 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSIS | Common Stock | Award | $5,700 | +52 | +1.6% | $109.61 | 3,314 | 31 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Acquired pursuant to issuer's Employee Stock Purchase Plan. |