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, 2023

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 ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

On March 9, 2023, MorphoSys AG (the “Company”) published a notification of major holdings from LMR Partners.

Exhibits

99.1    Notification of Major Holdings LMR Partners

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 9, 2023    By:    /s/ i.A. Kristina Grötsch

        Name: Kristina Grötsch

        Title:    Senior Specialist Investor Relations

    By:    /s/ i.A. Isabelle Degbegni    

        Name: Isabelle Degbegni

        Title:    Director Investor Relations     

EX-99.1

1 Kristina Grötsch From: info@news.morphosys.com Sent: Donnerstag, 9. März 2023 16:01 To: Kristina Grötsch Subject: [EXTERNAL]MorphoSys AG: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution To help protect your privacy, Microso ft Office prevented auto matic download of this pictu re from the In ternet. logo 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 09.03.2023 / 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 Name: MorphoSys AG Street: Semmelweisstr. 7 Postal code: 82152 City: Planegg Germany Legal Entity Identifier (LEI): 529900493806K77LRE72 2. Reason for notification Acquisition/disposal of shares with voting rights X Acquisition/disposal of instruments Change of breakdown of voting rights Other reason: 3. Details of person subject to the notification obligation Legal entity: LMR Partners Management Limited City of registered office, country: Grand Cayman, Cayman Islands 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: 16 Dec 2022 6. Total positions % 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 0.00 % 2.92 % 2.92 % 34231943 Previous notification 0.00 % 5.87 % 5.87 % / 7. Details on total positions a. Voting rights attached to shares (Sec. 33, 34 WpHG) ISIN Absolute In % Direct (Sec. 33 WpHG) Indirect (Sec. 34 WpHG) Direct (Sec. 33 WpHG) Indirect (Sec. 34 WpHG) DE0006632003 0 0 0.00 % 0.00 %

2 Total 0 0.00 % b.1. Instruments according to Sec. 38 (1) no. 1 WpHG Type of instrument Expiration or maturity date Exercise or conversion period Voting rights absolute Voting rights in % 0 0.00 % Total 0 0.00 % b.2. Instruments according to Sec. 38 (1) no. 2 WpHG Type of instrument Expiration or maturity date Exercise or conversion period Cash or physical settlement Voting rights absolute Voting rights in % Equity put option 19.12.2025 at any time Physical 1000000 2.92 % 0 0.00 % Total 1000000 2.92 % 8. Information in relation to the person subject to the notification obligation 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) -LMR Partners Management Limited % % % -LMR Partners LP % % % -LMR Partners (Offshore) Limited % % % -LMR Management Services Limited % % % -LMR Partners AG % % % - % % % -LMR Partners Management Limited % % % -LMR Partners LP % % % -LMR Partners (Offshore) Limited % % % -LMR Management Services Limited % % % -LMR Partners LLP % % % - % % % -LMR Partners Management Limited % % % -LMR Partners LP % % % -LMR Partners (Offshore) Limited % % % -LMR Partners (DIFC) Limited % % % - % % % -LMR Partners Management Limited % % % -LMR Partners LP % % % -LMR Partners (Offshore) Limited % % % -LMR Partners Limited % % % - % % % -LMR Partners Management Limited % % % -LMR Partners LP % % % -LMR Partners (Offshore) Limited % % % -LMR Partners LLC % % % 9. In case of proxy voting according to Sec. 34 para. 3 WpHG

3 (only in case of attribution of voting rights in accordance with Sec. 34 para. 1 sent. 1 No. 6 WpHG) Date of general meeting: Holding total positions after general meeting (6.) after annual general meeting: Proportion of voting rights Proportion of instruments Total of both % % % 10. Other explanatory remarks: Date 07 March 2023 09.03.2023 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 1578709 09.03.2023 CET/CEST Unsubscribe