Company: GNMSF
Filing Date: 2025-10-21
Form Type: SC TO-T
Source: 0001193125-25-244292
Chunk: 2

Company: GENMAB A/S
Filing Date: 2025-10-21
Form: SC TO-T
Chunk 2
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Certain Information Concerning Merus” is incorporated herein by reference. (b) This Schedule TO relates to the Offer by Purchaser to purchase all issued and outstanding Common Shares. The information set forth on the cover page and in the section of the Offer to Purchase entitled “Introduction” and “Price Range of Common Shares; Dividends” is incorporated herein by reference.

| Item 3. | Identity and Background of Filing Person. |

(a)-(c) This Schedule TO is filed by Genmab A/S, a public limited liability company ( Aktieselskab) organized under the laws of Denmark, and Genmab Holding II B.V., a private limited liability company ( besloten vennootschap met beperkte aansprakelijkheid) organized under the laws of The Netherlands and a wholly owned subsidiary of Genmab A/S. The information set forth in Section 9 of the Offer to Purchase entitled “Certain Information Concerning Genmab, Purchaser and Certain Related Persons” and in Schedule I to the Offer to Purchase is incorporated herein by reference.

| Item 4. | Terms of the Transaction. |

(a)(1)(i)-(viii), (xii), (a)(2)(i)-(v), (vii) 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 2—“Acceptance for Payment and Payment for Common Shares” |

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

| • |     | Section 4—“Withdrawal Rights” |

| • |     | Section 5—“Material United States Federal Income Tax Consequences” |

| • |     | Section 6—“Material Dutch Tax Consequences” |

| • |     | 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”                                         |

| • |     | Section 14—“Certain Effects of the Offer” |

| • |     | Section 16—“