Form 6-K ObsEva SA For: May 18

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 May 2022

Commission File Number: 001-37993

OBSEVA SA

(Translation of registrant’s name into English)

Chemin des Aulx, 12

1228 Plan-les-Ouates

Geneva, Switzerland

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:    ☒  Form 20-F    ☐  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):  ☐

INCORPORATION BY REFERENCE

This Report on Form 6-K shall be deemed to be incorporated by reference into the registration statements on Form F-3, as amended (No. 333-221462, 333-233069, 333-260974 and 333-262820) of ObsEva SA (including any prospectuses forming a part of such registration statements) and the registration statements on Form S-8 (Registration No. 333-216170, 333-231629, 333-249457 and 333-263234) of ObsEva SA and to be a part thereof from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished.

EXHIBIT INDEX

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.

Exhibit 99.1

ObsEva SA Announces that Shareholders Approved all Board Proposals at its

2022 Annual General Meeting held on May 18, 2022

Ad hoc announcement pursuant to Art. 53 LR of the SIX Swiss Exchange

Geneva, Switzerland – May 19, 2022 – ObsEva SA (NASDAQ: OBSV; SIX: OBSN), a biopharmaceutical company developing and commercializing novel therapies for women’s health, today announced that shareholders approved all Board proposals at its 2022 Annual General Meeting held on May 18, 2022.

The approved items are as follows:

For a detailed agenda, including items submitted to shareholders’ vote and related proposals of the Board of Directors, please refer to the full invitation, which may be found in the Investors / General Meetings section of the company’s website www.ObsEva.com.

To access the general meetings section of the Company’s website, please click here.

To access the AGM 2022 section of the general meetings section directly, please click here.

To access the full invitation to the AGM 2022 directly, please click here.

About ObsEva

ObsEva is a biopharmaceutical company developing and commercializing novel therapies to improve women’s health. Through strategic in-licensing and disciplined drug development, ObsEva has established a late-stage clinical pipeline with development programs focused on new therapies for the treatment of uterine fibroids, endometriosis, and preterm labor. ObsEva is listed on the Nasdaq Global Select Market and is traded under the ticker symbol “OBSV” and on the SIX Swiss Exchange where it is traded under the ticker symbol “OBSN”. For more information, please visit www.ObsEva.com.

For further information, please contact:

CEO Office Contact:

Shauna Dillon

[email protected]

+41 22 552 1550

Investor Contact:

Katja Bührer

[email protected]

+1 (917) 969-3438