| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Frodl Andre | VP, R&D-Metals & Metalworking | 901 E. HECTOR STREET, CONSHOHOCKEN | Victoria K. Gehris, Attorney-in-Fact for Andre Frodl | 17 Dec 2025 | 0002089257 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KWR | Common Stock | Options Exercise | +172 | +33% | 690 | 15 Dec 2025 | Direct | F1 | ||
| transaction | KWR | Common Stock | Options Exercise | +6 | +0.87% | 696 | 15 Dec 2025 | Direct | F2 | ||
| transaction | KWR | Common Stock | Tax liability | $11,812 | -85 | -12% | $138.96 | 611 | 15 Dec 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KWR | Restricted Stock Units | Options Exercise | $0 | -172 | -100% | $0.000000 | 0 | 15 Dec 2025 | Common Stock | 172 | Direct | F1, F3 | |
| transaction | KWR | Dividend Equivalent Rights | Options Exercise | -6 | -100% | 0 | 15 Dec 2025 | Common Stock | 6 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Restricted stock units convert into common stock on a one-for-one basis. |
| F2 | Settlement of dividend equivalent rights in connection with vesting of restricted stock unit. The rights accrued when and as dividends were paid on KWR common stock. Each dividend equivalent right was the economic equivalent of one share of KWR common stock. |
| F3 | On December 15, 2022, the reporting person was granted 344 time-based restricted stock units, vesting 50% on June 15, 2024 and 50% on December 15, 2025. |