Sec Form 4 Filing - Silverman Peter B. @ Merus N.V. - 2022-03-10

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Silverman Peter B. 2. Issuer Name and Ticker or Trading Symbol Merus N.V. [ MRUS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP, GC and Head of Utrecht (Last) (First) (Middle) C/O MERUS N.V., YALELAAN 62 3. Date of Earliest Transaction (MM/DD/YY) 03/10/2022 (Street) UTRECHT, P73584 CM 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 03/10/2022 M 60,000 A $ 11.16( 1 ) 60,000 D Common Shares 03/10/2022 S 60,000 D $ 26.95( 2 ) 0 D

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Share Option (right to buy) $ 11.16( 1 ) 03/10/2022 M 60,000 ( 3 ) 02/20/2029 Common Shares 60,000 $ 0 21,100( 4 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Silverman Peter B. C/O MERUS N.V. YALELAAN 62 UTRECHT, P73584 CM EVP, GC and Head of Utrecht Signatures /s/ Peter Silverman as attorney-in-fact 03/11/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the exercise price of the options originally granted on February 20, 2019. ( 2 )Amount represents the weighted average price of shares sold, which ranged from $26.50 to $27.36. Details of individual transactions are available upon request. ( 3 )Options vest over a four-year period commencing February 20, 2019. 25% vest after one year and in 36 equal monthly installments thereafter. ( 4 )Number of derivative securities beneficially owned following the reported transaction is in reference to the number of options that remain outstanding of those originally granted on February 20, 2019.

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).

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