| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Pauli David J | Chief Financial Officer | 511 W. FRESHWATER WAY, MILWAUKEE | /s/ Jeffrey J. LaValle under Power of Attorney for David J. Pauli | 11 Jul 2025 | 0002029701 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ZWS | Common Stock | Tax liability | $41,191 | -1,090 | -1.8% | $37.79 | 60,359 | 11 Jul 2025 | Direct | F1, F2 |
| holding | ZWS | Common Stock | 794 | 11 Jul 2025 | By 401(k) Plan | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | ZWS | Stock Option (right to buy) | 13,816 | 11 Jul 2025 | Common Stock | 13,816 | $11.37 | Direct | F4 | |||||
| holding | ZWS | Stock Option (right to buy) | 5,757 | 11 Jul 2025 | Common Stock | 5,757 | $14.22 | Direct | F4 | |||||
| holding | ZWS | Stock Option (right to buy) | 6,136 | 11 Jul 2025 | Common Stock | 6,136 | $33.05 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | Shares were withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units. |
| F2 | Includes shares acquired under the Company's Employee Stock Purchase Plan in 2025. |
| F3 | Based on information from the trustee of the 401(k) Plan. |
| F4 | Option fully vested. |