| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| EDRICK ALAN I | EVP & CFO | 12525 CHADRON AVE, HAWTHORNE | /s/ Alan Edrick | 28 Aug 2025 | 0001195340 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSIS | Common Stock | Award | $6,383,011 | +28,345 | +9.7% | $225.19 | 321,958 | 26 Aug 2025 | Direct | F1 |
| transaction | OSIS | Common Stock | Tax liability | $5,647,315 | -25,078 | -7.8% | $225.19 | 296,880 | 26 Aug 2025 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | RSUs are issued pursuant to performance based vesting. |
| F2 | Pursuant to a net settlement, shares of stock were tendered to pay for the tax withholding. No shares of stock were sold. |