| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Chhabra Sudhanshu | VP-Zurn Business Systems | 511 W. FRESHWATER WAY, MILWAUKEE | /s/ Jeffrey J. LaValle under Power of Attorney for Sudhanshu Chhabra | 01 Aug 2025 | 0001680387 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ZWS | Common Stock | Options Exercise | $502,330 | +51,840 | +55% | $9.69 | 146,170 | 31 Jul 2025 | Direct | F1 |
| transaction | ZWS | Common Stock | Options Exercise | $428,376 | +37,676 | +26% | $11.37 | 183,846 | 31 Jul 2025 | Direct | F1 |
| transaction | ZWS | Common Stock | Options Exercise | $204,640 | +14,391 | +7.8% | $14.22 | 198,237 | 31 Jul 2025 | Direct | F1 |
| transaction | ZWS | Common Stock | Sale | $3,836,276 | -88,089 | -44% | $43.55 | 110,148 | 31 Jul 2025 | Direct | F1, F2 |
| transaction | ZWS | Common Stock | Sale | $696,783 | -15,818 | -14% | $44.05 | 94,330 | 31 Jul 2025 | Direct | F1, F3 |
| transaction | ZWS | Common Stock | Options Exercise | $166,010 | +5,023 | +5.3% | $33.05 | 99,353 | 31 Jul 2025 | Direct | F1 |
| transaction | ZWS | Common Stock | Sale | $217,144 | -5,023 | -5.1% | $43.23 | 94,330 | 31 Jul 2025 | Direct | F1, F4 |
| holding | ZWS | Common Stock | 2,124 | 31 Jul 2025 | By 401(k) Plan | F5 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ZWS | Stock Option (right to buy) | Options Exercise | $0 | -51,840 | -100% | $0.000000 | 0 | 31 Jul 2025 | Common Stock | 51,840 | $9.69 | Direct | F6 |
| transaction | ZWS | Stock Option (right to buy) | Options Exercise | $0 | -37,676 | -100% | $0.000000 | 0 | 31 Jul 2025 | Common Stock | 37,676 | $11.37 | Direct | F6 |
| transaction | ZWS | Stock Option (right to buy) | Options Exercise | $0 | -14,391 | -100% | $0.000000 | 0 | 31 Jul 2025 | Common Stock | 14,391 | $14.22 | Direct | F6 |
| transaction | ZWS | Stock Option (right to buy) | Options Exercise | $0 | -5,023 | -100% | $0.000000 | 0 | 31 Jul 2025 | Common Stock | 5,023 | $33.05 | Direct | F6 |
| Id | Content |
|---|---|
| F1 | Includes shares acquired under the Company's Employee Stock Purchase Plan in 2025. |
| F2 | This transaction was executed in multiple trades at prices ranging from $43.00 to $43.99. 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. |
| F3 | This transaction was executed in multiple trades at prices ranging from $44.00 to $44.21. 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. |
| F4 | This transaction was executed in multiple trades at prices ranging from $43.07 to $43.36. 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. |
| F5 | Based on information from the trustee of the 401(k) Plan. |
| F6 | Option fully vested. |