| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Chao James | Senior Chairman, Director | 2801 POST OAK BLVD., STE. 600, HOUSTON | James Chao by J Feng POA | 29 Aug 2025 | 0001299505 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WLK | Common Stock | Gift | $0 | -15,140 | -28% | $0.000000 | 39,741 | 28 Aug 2025 | Direct |