FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
Geuijen Cecile A W
(Last) (First) (Middle)
C/O MERUS N.V.
YALELAAN 62
(Street)
UTRECHT P7 3584 CM
(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
05/03/2020 		3. Issuer Name and Ticker or Trading Symbol
Merus N.V. [ MRUS ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
SVP & Chief Scientific Officer
 5. 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 Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Share Option (right to buy)   (1) 02/21/2028 Common Shares 3,375 17.94 D  
Share Option (right to buy)   (2) 02/20/2029 Common Shares 30,000 11.16 D  
Share Option (right to buy)   (3) 02/14/2030 Common Shares 11,800 18.61 D  
Share Option (right to buy)   (4) 02/16/2031 Common Shares 14,000 24.43 D  
Explanation of Responses:
1. Options vest over a four-year period commencing January 1, 2018. 25% vest after one year and in 36 equal monthly installments thereafter.
2. Options vest over a four-year period commencing January 1, 2019. 25% vest after one year and in 36 equal monthly installments thereafter.
3. Options vest over a four-year period commencing January 1, 2020. 25% vest after one year and in 36 equal monthly installments thereafter.
4. Options vest over a four-year period commencing January 1, 2021. 25% vest after one year and in 36 equal monthly installments thereafter.
/s/ Peter Silverman as attorney-in-fact 05/06/2021
** 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.
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POWER OF ATTORNEY

     With respect to holdings of and transactions in securities issued by Merus
N.V. (the "Company"), the undersigned hereby constitutes and appoints the
individuals named on Schedule A attached hereto and as may be amended from time
to time, or any of them signing singly, with full power of substitution and
resubstitution, to act as the undersigned's true and lawful attorney-in-fact to:


1.     prepare, execute in the undersigned's name and on the undersigned's
behalf, and submit to the United States Securities and Exchange Commission (the
"SEC") a Form ID, including amendments thereto, and any other documents
necessary or appropriate to obtain and/or regenerate codes and passwords
enabling the undersigned to make electronic filings with the SEC of reports
required by Section 16(a) of the Securities Exchange Act of 1934, as amended, or
any rule or regulation of the SEC;

2.     execute for and on behalf of the undersigned, Forms 3, 4, and 5 in
accordance with Section 16 of the Securities Exchange Act of 1934, as amended,
and the rules thereunder;

3.     do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such Form 3, 4,
or 5, complete and execute any amendment or amendments thereto, and timely file
such form with the SEC and any stock exchange or similar authority; and

4.     take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

     The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might
or could do if personally present, with full power of substitution and
resubstitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorneys-in-fact substitute or substitutes, shall
lawfully do or cause to be done by virtue of this Power of Attorney and the
rights and powers herein granted.

     The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming,
nor is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934, as amended.

     This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4, and 5 with respect to the
undersigned's holdings of and transactions in securities issued by the Company,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

     IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
 executed as of this 24th day of April, 2021.

Signature:         /s/ C Geuijen
Print Name:        Cecile A W Geuijen


Schedule A
__________

Individuals Appointed as Attorney-in-Fact with Full Power of Substitution and
Resubstitution:

Peter Silverman