Merus N.V. — Director's Dealing 2020

Jun 4, 2020

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Merus N.V. (MRUS)
CIK: 0001651311
Period of Report: 2020-06-01

Reporting Person: BVF GP HOLDINGS LLC (10% Owner)
Reporting Person: BVF I GP LLC (See Explanation of Responses)
Reporting Person: BVF II GP LLC (See Explanation of Responses)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares, (euro)0.09 nominal value per share	1804105	Indirect
Common Shares, (euro)0.09 nominal value per share	1386889	Indirect

Footnotes

F1: This Form 3 is filed jointly by BVF I GP LLC ("BVF GP"), BVF II GP LLC ("BVF2 GP") and BVF GP HOLDINGS LLC ("BVF GPH", and together with BVF GP and BVF2 GP, the "Reporting Persons"). Each of the Reporting Persons is a member of a Section 13(d) group that collectively owns more than 10% of the Issuer's outstanding Common Shares. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein.

F2: Securities owned directly by Biotechnology Value Fund, L.P. ("BVF"). As the general partner of BVF, BVF GP may be deemed to beneficially own the securities owned directly by BVF. As the sole member of BVF GP, BVF GPH may be deemed to beneficially own the securities owned directly by BVF.

F3: Securities owned directly by Biotechnology Value Fund II, L.P. ("BVF2"). As the general partner of BVF2, BVF2 GP may be deemed to beneficially own the securities owned directly by BVF2. As the sole member of BVF2 GP, BVF GPH may be deemed to beneficially own the securities owned directly by BVF2.