| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ballhaus William Francis JR | Director | 12525 CHADRON AVE, HAWTHORNE | /s/ William Ballhaus | 18 Jul 2025 | 0001490925 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSIS | Common Stock | Gift | $0 | -113 | -0.45% | $0.000000 | 25,155 | 09 Jul 2025 | Ballhaus Trust - See Footnote | F1 |
| holding | OSIS | Common Stock | 3,701 | 09 Jul 2025 | Direct |
| Id | Content |
|---|---|
| F1 | Ballhaus Trust U/A 1/25/02 Dr. William Ballhaus Jr. and Jane K Ballhaus Trustees. |