| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| CHRISTOPOUL THOMAS | Director | 511 W. FRESHWATER WAY, MILWAUKEE | /s/ Jeffrey J. LaValle under Power of Attorney for Thomas D. Christopoul | 10 Feb 2026 | 0001128481 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ZWS | Common Stock | Award | +2,900 | +2.5% | 117,171 | 10 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Restricted stock unit grant, which vested immediately, but is not paid out until six months after the Reporting Person's cessation of service as a director. |