| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| EDRICK ALAN I | EVP & CFO | 12525 CHADRON AVE, HAWTHORNE | /s/ Alan Edrick | 2025-08-28 | 0001195340 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSIS | Common Stock | Award | $6.38M | +28.3K | +9.65% | $225.19 | 322K | Aug 26, 2025 | Direct | F1 |
| transaction | OSIS | Common Stock | Tax liability | -$5.65M | -25.1K | -7.79% | $225.19 | 297K | Aug 26, 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. |