| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Pucci Paolo | Director | C/O MERUS N.V., UPPSALALAAN 17, UTRECHT, NETHERLANDS | /s/ Peter Silverman as attorney-in-fact | 2025-05-27 | 0001436861 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MRUS | Share Option (right to buy) | Award | $0 | +13.2K | $0.00 | 13.2K | May 22, 2025 | Common Shares | 13.2K | $41.60 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Options vest over a one-year period commencing on May 22, 2025 in 12 equal monthly installments. |