Company: GNMSF
Filing Date: 2025-10-21
Form Type: SC TO-T
Source: 0001193125-25-244292
Chunk: 4

Company: GENMAB A/S
Filing Date: 2025-10-21
Form: SC TO-T
Chunk 4
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 “Source and Amount of Funds” is incorporated herein by reference.

| Item 8. | Interest in Securities of the Subject Company. |

The information set forth in the following sections of the Offer to Purchase is incorporated herein by reference:

| • |     | Section 9—“Certain Information Concerning Genmab, Purchaser and Certain Related Persons” |

| • |     | Section 12—“The Transaction Agreements” |

| • |     | Section 13—“Purpose of the Offer; Back-End Transactions; 
 Plans for Merus”                                         |

| Item 9. | Persons/Assets Retained, Employed, Compensated or Used. |

(a) The information set forth in the following sections of the Offer to Purchase is incorporated herein by reference:

| • |     | “Summary Term Sheet” |

| • |     | Section 3—“Procedures for Accepting the Offer and Tendering Common Shares” |

| • |     | Section 11—“Background of the Offer; Past Contacts or Negotiations with Merus” |

| • |     | Section 18—“Fees and Expenses” |

| Item 10. | Financial Statements. |

Not applicable.

| Item 11. | Additional Information. |

(a)(1) The information set forth in the following sections of the Offer to Purchase is incorporated herein by reference:

| • |     | Section 9—“Certain Information Concerning Genmab, Purchaser and Certain Related Persons” |

| • |     | Section 11—“Background of the Offer; Past Contacts or Negotiations with Merus” |

| • |     | Section 12—“The Transaction Agreements” |

| • |     | Section 13—“Purpose of the Offer; Back-End Transactions; 
 Plans for Merus”                                         |

(a)(2) The information set forth in the following sections of the Offer to Purchase is incorporated herein by reference

| • |     | the “Summary Term Sheet” |

| • |     | the “Introduction” |

| • |     | Section 1—“Terms of the Offer” |

| • |     | Section 12—“The Transaction Agreements” |

| • |     | Section 13—“Purpose of the Offer; Back-End Transactions; 
 Plans for Merus”                                         |

| • |     | Section 16—“Conditions of the Offer” |

| • |     | Section 17—“