SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
________________________
Form 6-K
Report of Foreign Issuer
Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934
For the month of March 2026
Eni S.p.A.
(Exact name of Registrant as specified in its charter)
Piazzale Enrico Mattei 1 - 00144 Rome, Italy
(Address of principal executive offices)
_________________________
(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 X Form 40-F
_________________________
(Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2b under the Securities Exchange Act of 1934.)
Yes _ No X
(If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): )
Table of contents
| · | Annual Report on Form 20-F 2025 |
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, hereunto duly authorised.
| Eni S.p.A. | |
| /s/ Giulia Saba | |
| Name: Giulia Saba | |
| Title: Head of Corporate | |
| Secretary’s Staff Office |
Date: March 24, 2026

Annual Report on Form 20-F 2025
Rome, 23 March 2026 – Today Eni’s Annual Report on Form 20-F for the year ended 31 December 2025 has been filed with the U.S. Securities and Exchange Commission (SEC).
The Annual Report on Form 20-F 2025 is published on Eni’s website (eni.com) in the “Publications” section. Shareholders can request a hard copy of Eni’s Annual Report on Form 20-F 2025, free of charge, by emailing a request to “[email protected]” or to “[email protected]”.
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Company Contacts
Press Office: Tel. +39.0252031875 – +39.0659822030
Freephone for shareholders (from Italy): 800940924
Freephone for shareholders (from abroad): +80011223456
Switchboard: +39-0659821
Web site: www.eni.com
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Eni
Società per Azioni Roma, Piazzale Enrico Mattei, 1
Share capital: €4,005,358,876 fully paid
Tax identification number 00484960588
Tel.: +39 0659821 - Fax: +39 0659822141
This press release is also available on the Eni web site eni.com.