| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Morben Paul Keith | PRES., OPTOELECTRONICS DIV | 12525 CHADRON AVE., HAWTHORNE | /s/ Paul Morben | 05 Sep 2025 | 0001628328 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSIS | Common Stock | Sale | $395,626 | -1,671 | -16% | $236.76 | 8,749 | 04 Sep 2025 | Direct |