SEC Form 6-K filed by Adecoagro S.A.

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 December 2025

Commission File Number: 001-35052 

Adecoagro S.A.

(Translation of registrant’s name into English)

28, Boulevard F.W. Raiffeisen,

L-2411, Luxembourg

Grand Duchy of Luxembourg

(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:

INCORPORATION BY REFERENCE

Exhibit 99.1 of this Form 6-K is hereby incorporated by reference into the registration statement of Adecoagro S.A. on Form F-3 (Registration Number 333-291872), as such Registration Statement may be amended from time to time.

TABLE OF CONTENTS

SIGNATURE

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.

Date: December 12, 2025