| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| PETERSON MARK W | Chief Administrative Officer | 511 W. FRESHWATER WAY, MILWAUKEE | /s/ Jeffrey J. LaValle under Power of Attorney for Mark W. Peterson | 2025-11-14 | 0001535684 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ZWS | Common Stock | Sale | -$1.05M | -21.6K | -6.34% | $48.48 | 319K | Nov 12, 2025 | Direct | F1 |
| holding | ZWS | Common Stock | 5.3K | Nov 12, 2025 | By 401(k) Plan | F2 |
| 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) | 33.5K | Nov 12, 2025 | Common Stock | 33.5K | $33.05 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades at prices ranging from $48.37 to $48.78. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effectuated. |
| F2 | Based on information from the trustee of the 401(k) Plan. |
| F3 | Option fully vested. |