Form 6-K Stellantis N.V. For: Sep 16

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 September 2026

Commission File No.: 001-36675

Stellantis N.V.

(Translation of registrant’s name into English)

Taurusavenue 1

2132LS, Hoofddorp

The Netherlands

(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 ☒     Form 40-F ☐

THIS REPORT ON FORM 6-K IS BEING FILED FOR THE PURPOSES OF INCORPORATION BY REFERENCE IN THE REGISTRATION STATEMENTS ON FORM F-3 (FILE NOS. 333-297933 AND 333-297933-01). THIS REPORT SHALL BE DEEMED FILED AND INCORPORATED BY REFERENCE IN SUCH REGISTRATION STATEMENTS AND SHALL BE DEEMED TO BE A PART THEREOF FROM THE DATE ON WHICH THIS REPORT IS FILED, TO THE EXTENT NOT SUPERSEDED BY DOCUMENTS OR REPORTS SUBSEQUENTLY FILED OR FURNISHED.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

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.