UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO SECTION 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of January 2025

Commission File Number: 001-40401

Oatly Group AB

(Translation of registrant’s name into English)

Ångfärjekajen 8

211 19 Malmö

Sweden

(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 ☐

On January 31, 2025, the Company issued a press release announcing a change to the ratio of its American Depository Receipts to ordinary shares. A copy of the press release is furnished as Exhibit 99.1 to this Report on Form 6-K.

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release of Oatly Group AB, dated January 31, 2025

SIGNATURES

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

	Oatly Group AB
Date: January 31, 2025	By:	/s/ Marie-José David
		Marie-José David
		Chief Financial Officer