| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Jiang Wei | Director | 34 MAPLE STREET, MILFORD | /s/ Michael Lynn, attorney-in-fact for Wei Jiang | 18 Mar 2026 | 0001867980 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WAT | Common Stock | Purchase | $144,730 | +500 | +17% | $289.46 | 3,441 | 16 Mar 2026 | Direct |