| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Moran Kyle | Chief Financial Officer | C/O WAVE LIFE SCIENCES LTD.,, 733 CONCORD AVE., CAMBRIDGE | /s/ Kyle Moran | 11 Feb 2026 | 0001657765 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WVE | Ordinary Shares | Award | $0 | +45,625 | +49% | $0.000000 | 137,973 | 05 Feb 2026 | Direct | F1, F2 |
| transaction | WVE | Ordinary Shares | Sale | $48,259 | -3,588 | -2.6% | $13.45 | 134,385 | 09 Feb 2026 | Direct | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WVE | Share Option (right to buy) | Award | $0 | +273,750 | $0.000000 | 273,750 | 05 Feb 2026 | Ordinary Shares | 273,750 | $12.75 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | Consists of restricted share units (RSUs). The RSUs vest in four equal annual installments of 25% on February 8, 2027 through February 8, 2030. |
| F2 | Includes 1,983 ordinary shares acquired on January 14, 2026, under the issuer's 2019 Employee Share Purchase Plan. |
| F3 | On February 9, 2026, the reporting person sold 3,588 ordinary shares solely to cover taxes associated with the vesting of restricted share units ("RSUs") on February 8, 2026. These sales were made pursuant to a provision in the reporting person's RSU agreement that requires automatic sales of shares to cover tax withholding obligations. |
| F4 | The option vests as to 25% of the shares on February 8, 2027, and vests as to an additional 6.25% of the shares quarterly thereafter until February 8, 2030. |