| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Mai Qiyan | Chief Accounting Officer | 1520 E. GRAND AVE, EL SEGUNDO | /s/ Qiyan Mai | 17 Dec 2025 | 0002042588 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PKST | Common Stock | Tax liability | $5,247 | -369 | -14% | $14.22 | 2,311 | 15 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents common shares withheld by Issuer to satisfy tax withholding obligations in connection with the delivery, on December 15, 2025, of common shares underlying 685 previously reported, time-based restricted share units granted to Reporting Person on March 7, 2025. |