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    Large owner Genmab A/S bought $79,098,068 worth of shares (815,444 units at $97.00) (SEC Form 4)

    12/29/25 5:16:48 PM ET
    $MRUS
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $MRUS alert in real time by email
    SEC FORM 4 SEC Form 4
    FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
    or Section 30(h) of the Investment Company Act of 1940
    OMB APPROVAL
    OMB Number: 3235-0287
    Estimated average burden
    hours per response: 0.5
      
    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
      
    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
    1. Name and Address of Reporting Person*
    GENMAB A/S

    (Last) (First) (Middle)
    CARL JACOBSENS VEJ 30

    (Street)
    2500 VALBY G7

    (City) (State) (Zip)
    2. Issuer Name and Ticker or Trading Symbol
    Merus N.V. [ MRUS ]
    5. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    3. Date of Earliest Transaction (Month/Day/Year)
    12/22/2025
    4. If Amendment, Date of Original Filed (Month/Day/Year)
    6. Individual or Joint/Group Filing (Check Applicable Line)
    X Form filed by One Reporting Person
    Form filed by More than One Reporting Person
    Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
    1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
    Code V Amount (A) or (D) Price
    Common Shares, nominal value EUR 0.09 per share 12/22/2025 P 15,710 A $97 72,028,775(1)(2) I(1)(2) See footnotes(1)(2)
    Common Shares, nominal value EUR 0.09 per share 12/23/2025 P 561,042 A $97 72,589,817(1)(2) I(1)(2) See footnotes(1)(2)
    Common Shares, nominal value EUR 0.09 per share 12/24/2025 P 96,082 A $97 72,685,899(1)(2) I(1)(2) See footnotes(1)(2)
    Common Shares, nominal value EUR 0.09 per share 12/26/2025 P 142,610 A $97 72,828,509(1)(2) I(1)(2) See footnotes(1)(2)
    Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
    (e.g., puts, calls, warrants, options, convertible securities)
    1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
    Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
    Explanation of Responses:
    1. On September 29, 2025, Genmab A/S ("Parent"), Genmab Holding II B.V., a wholly owned subsidiary of Parent ("Purchaser"), and the Issuer entered into a transaction agreement (the "Transaction Agreement"). Pursuant to the terms of the Transaction Agreement, Purchaser commenced a tender offer for all the issued and outstanding common shares, nominal value EUR 0.09 per share (the "Common Shares") of the Issuer (the "Offer"), and, on December 12, 2025, following the expiration of the initial offering period of the Offer (the "Expiration Time"), Purchaser accepted 71,463,077 Common Shares that were validly tendered and not properly withdrawn pursuant to the Offer as of the Expiration Time, representing approximately 94.2% of the Issuer's outstanding Common Shares, in exchange for a cash payment equal to $97.00 per Common Share, without interest and less applicable withholding taxes.
    2. On December 12, 2025, Purchaser commenced a subsequent offering period during which Purchaser acquired an additional 549,988 Common Shares through December 21, 2025 (as previously reported), as well as an additional 15,710 Common Shares on December 22, 2025, an additional 561,042 Common Shares on December 23, 2025, an additional 96,082 Common Shares on December 24, 2025, and an additional 142,610 Common Shares on December 26, 2025. Parent, as the parent entity of Purchaser, beneficially owns the Common Shares held directly by Purchaser.
    /s/ Jan G. J. van de Winkel, President and Chief Executive Officer, Genmab A/S 12/29/2025
    /s/ Anthony Pagano, Executive Vice President & Chief Financial Officer, Genmab A/S 12/29/2025
    ** Signature of Reporting Person Date
    Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
    * If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
    ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
    Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
    Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
    Get the next $MRUS alert in real time by email

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