| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| He Hong | Director | C/O 201 MITTEL DRIVE, WOOD DALE | /s/ Hong He | 10 Sep 2025 | 0001791581 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PSIX | Common Stock | Sale | $89,000 | -1,000 | -3.8% | $89.00 | 25,250 | 08 Sep 2025 | Direct |