6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2024

COMMISSION FILE NUMBER 001-38455

MorphoSys AG

Semmelweisstrasse 7

82152 Planegg

Germany

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F: Form 20-F x Form 40-F ¨

On March 18, 2024, MorphoSys AG (the “Company”) published a notification of major holdings from The Goldman Sachs Group, Inc.

Exhibits

99.1    Notification of Major Holdings from The Goldman Sachs Group, Inc.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

MORPHOSYS AG (Registrant)

Date: March 18, 2024         

    By:    /s/ i.A. Inge Altinger-Ralle

        Name: Inge Altinger-Ralle

        Title:    Specialist Corporate Publishing

    By:    /s/ i.A. Robert Mayer    

        Name: Robert Mayer

        Title:    Director Investor Relations

EX-99.1

Voting Rights Announcements | 18 March 2024 16:00 MorphoSys AG MorphoSys AG: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution 18.03.2024 / 16:00 CET/CEST Dissemination of a Voting Rights Announcement transmitted by EQS News – a service of EQS Group AG. The issuer is solely responsible for the content of this announcement. Notification of Major Holdings 1. Details of issuer 2. Reason for notification 3. Details of person subject to the notification obligation MorphoSys AG MorphoSys AG: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution Name: MorphoSys AG Street: Semmelweisstr. 7 Postal code: 82152 City: Planegg Germany Legal Entity Identifier (LEI): 529900493806K77LRE72   Acquisition/disposal of shares with voting rights X Acquisition/disposal of instruments   Change of breakdown of voting rights X Other reason: Voluntary group notification with triggered threshold on subsidiary level Legal entity: The Goldman Sachs Group, Inc. City of registered office, country: Wilmington, DE, United States of America (USA)

4. Names of shareholder(s) holding directly 3% or more voting rights, if different from 3. 5. Date on which threshold was crossed or reached: 6. Total positions 7. Details on total positions a. Voting rights attached to shares (Sec. 33, 34 WpHG) b.1. Instruments according to Sec. 38 (1) no. 1 WpHG   11 March 2024   % of voting rights attached to shares (total of 7.a.) % of voting rights through instruments (total of 7.b.1 + 7.b.2) Total of both in % (7.a. + 7.b.) Total number of voting rights pursuant to Sec. 41 WpHG New 0.05 % 19.80 % 19.85 % 37674555 Previous notification 2.64 % 15.60 % 18.24 % / ISIN Absolute In %   Direct (Sec. 33 WpHG) Indirect (Sec. 34 WpHG) Direct (Sec. 33 WpHG) Indirect (Sec. 34 WpHG) US6177602025 0 7919 0.00 % 0.02 % DE0006632003 0 10967 0.00 % 0.03 % Total 18886 0.05 % Type of instrument Expiration or maturity date Exercise or conversion period Voting rights absolute Voting rights in % Right To Recall Open 4732796 12.56 % Right Of Use Open 1054728 2.80 % Convertible Bond 16.10.2025 494493 1.31 %     Total 6282018 16.67 %

b.2. Instruments according to Sec. 38 (1) no. 2 WpHG 8. Information in relation to the person subject to the notification obligation Type of instrument Expiration or maturity date Exercise or conversion period Cash or physical settlement Voting rights absolute Voting rights in % Swap 22.02.2034 Cash 228829 0.61 % Put Option 19.12.2025 Physical 900000 2.39 % Call Warrant 31.12.2030 Cash 48374 0.13 %       Total 1177203 3.12 %   Person subject to the notification obligation is not controlled nor does it control any other undertaking(s) that directly or indirectly hold(s) an interest in the (underlying) issuer (1.). X Full chain of controlled undertakings starting with the ultimate controlling natural person or legal entity: Name % of voting rights (if at least 3% or more) % of voting rights through instruments (if at least 5% or more) Total of both (if at least 5% or more) The Goldman Sachs Group, Inc. % % % GSAM Holdings LLC % % % Goldman Sachs Asset Management, L.P. % % % – % % % The Goldman Sachs Group, Inc. % % % Goldman Sachs (UK) L.L.C. % % %

9. In case of proxy voting according to Sec. 34 para. 3 WpHG (only in case of attribution of voting rights in accordance with Sec. 34 para. 1 sent. 1 No. 6 WpHG) Goldman Sachs Group UK Limited % % % Goldman Sachs International Bank % % % – % % % The Goldman Sachs Group, Inc. % % % Goldman Sachs Bank USA % % % Goldman Sachs Bank Europe SE % % % – % % % The Goldman Sachs Group, Inc. % % % Folio Financial, Inc. % % % Folio Investments, Inc. % % % – % % % The Goldman Sachs Group, Inc. % % % Goldman Sachs & Co. LLC % 5.32 % 5.32 % – % % % The Goldman Sachs Group, Inc. % % % Goldman Sachs (UK) L.L.C. % % % Goldman Sachs Group UK Limited % % % Goldman Sachs International % 13.87 % 13.91 %

Date of general meeting: Holding total positions after general meeting (6.) after annual general meeting: 10. Other explanatory remarks: Date 18.03.2024 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases. Archive at www.eqs-news.com Language: English Company: MorphoSys AG Semmelweisstr. 7 82152 Planegg Germany Internet: www.morphosys.com   End of News EQS News Service Proportion of voting rights Proportion of instruments Total of both % % %   15 March 2024