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 OF

THE SECURITIES EXCHANGE ACT OF 1934

For the month of July 2026

Commission File No. 001-36675

_______________________________

STELLANTIS N.V.

(Translation of Registrant’s Name Into English)

_______________________________

Taurusavenue 1

2132 LS Hoofddorp

The Netherlands

Tel. No.: +31 23 700 1511

(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 o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule101(b)(1): o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule101(b)(7): o

The following exhibit is furnished herewith:

Exhibit 99.1    Stellantis N.V. Supplemental Information as of and for the three and six months ended June 30, 2026

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: July 30, 2026

STELLANTIS N.V.

By:

/s/ Joao Laranjo

Name: Joao Laranjo

Title: Chief Financial Officer

Index of Exhibits

Exhibit

Number Description of Exhibit

99.1    Stellantis N.V. Supplemental Information as of and for the three and six months ended June 30, 2026

stellantislogo.jpg

Exhibit 99.1

Income Statement by activity

Unaudited

For the three months ended June 30,20262025(€ million)StellantisIndustrial activitiesFinancial servicesStellantisIndustrial activitiesFinancial services

Net revenues

43,482 42,113 1,483 38,448 37,598 968 

Cost of revenues

38,708 37,447 1,375 36,079 35,317 880 

Selling, general and other costs

2,483 2,405 78 1,828 1,789 39 

Research and development costs

1,308 1,308 — 1,938 1,938 — 

Gains/(losses) on disposal of investments

71 71 — (202)(201)(1)

Restructuring costs

384 384 — 399 399 — Share of the profit/(loss) of equity method investees32 (41)73 (396)(481)85 

Operating income/(loss)(1)

702 599 103 (2,394)(2,527)133 

Net financial expenses/(income)

202 202 — 63 63 — 

Profit/(loss) before taxes

500 397 103 (2,457)(2,590)133 

Tax expense/(benefit)

207 190 17 (588)(535)(53)Result from intersegment investments— 86 — — 186 — 

Net profit/(loss)

293 293 86 (1,869)(1,869)186 

Adjusted operating income/(loss)(1)(2)

773 673 100 213 82 131 

Figures presented for Industrial activities and Financial services include intersegment transactions

(1) Refer to the Stellantis N.V. Interim Report for the three and six months ended June 30, 2026 – Non-GAAP Financial Measures

(2) The reconciliation of Net profit to Adjusted operating income for the Company is included in the Stellantis N.V. Interim Report for the three and six months ended June 30, 2026 – Management discussion and analysis – Company results

stellantislogo.jpgFor the six months ended June 30,20262025(€ million)StellantisIndustrial activitiesFinancial servicesStellantisIndustrial activitiesFinancial services

Net revenues

81,614 79,141 2,689 74,261 72,769 1,688 

Cost of revenues

72,411 70,196 2,431 68,267 66,996 1,467 

Selling, general and other costs

4,785 4,618 167 4,174 4,042 132 

Research and development costs

2,748 2,748 — 3,371 3,371 — 

Gains/(losses) on disposal of investments

59 59 — (204)(203)(1)

Restructuring costs

482 482 — 522 522 — Share of the profit/(loss) of equity method investees143 (20)163 (433)(607)174 

Operating income/(loss)(1)

1,390 1,136 254 (2,710)(2,972)262 

Net financial expenses/(income)

352 352 — 160 160 — 

Profit/(loss) before taxes

1,038 784 254 (2,870)(3,132)262 

Tax expense/(benefit)

368 320 48 (614)(522)(92)Result from intersegment investments— 206 — — 354 — 

Net profit/(loss)

670 670 206 (2,256)(2,256)354 

Adjusted operating income/(loss)(1)(2)

1,733 1,482 251 540 284 256 

Figures presented for Industrial activities and Financial services include intersegment transactions

(1) Refer to the Stellantis N.V. Interim Report for the three and six months ended June 30, 2026 – Non-GAAP Financial Measures

(2) The reconciliation of Net profit to Adjusted operating income for the Company is included in the Stellantis N.V. Interim Report for the three and six months ended June 30, 2026 – Management discussion and analysis – Company results

stellantislogo.jpg

Statement of Financial Position by activity

Unaudited

At June 30, 2026At December 31, 2025(€ million)StellantisIndustrial activitiesFinancial servicesStellantisIndustrial activitiesFinancial servicesAssetsGoodwill and intangible assets with indefinite useful lives29,977 29,843 134 29,176 29,046 130 

Other intangible assets

15,793 15,618 175 15,709 15,540 169 

Property, plant and equipment

46,133 32,508 13,625 42,958 32,108 10,850 

Equity method investments

7,343 13,076 3,607 7,276 12,336 3,516 

Deferred tax assets

6,558 6,478 80 6,383 6,297 86 

Inventories

23,987 23,820 167 22,153 22,080 73 Assets sold with a buy-back commitment4,912 4,912 — 3,616 3,616 — Trade receivables 7,291 7,445 144 5,662 5,812 115 Tax receivables 1,169 1,120 49 1,393 1,464 53 Other assets and prepaid expenses32,689 15,117 19,972 26,895 13,773 15,937 Financial assets3,864 3,259 605 3,781 3,235 546 Cash and cash equivalents 33,697 31,217 2,480 30,146 28,198 1,948 Assets held for sale10 10 — 5 5 — 

TOTAL ASSETS

213,423 184,423 41,038 195,153 173,510 33,423 Equity and LiabilitiesEquity61,737 61,737 9,340 54,001 54,001 8,576 Employee benefits liabilities5,223 5,219 4 5,312 5,308 4 Provisions 31,168 31,015 153 32,913 32,809 104 Deferred tax liabilities 1,263 835 428 1,294 874 420 Debt 52,062 24,390 29,936 45,947 25,630 23,035 Trade payables 33,604 33,724 260 29,999 30,082 211 Other financial liabilities36 25 11 36 19 17 Tax liabilities926 852 74 911 826 209 Other liabilities 27,390 26,612 832 24,740 23,961 847 Liabilities held for sale14 14 — — — — 

TOTAL EQUITY AND LIABILITIES

213,423 184,423 41,038 195,153 173,510 33,423 Figures presented for Industrial activities and Financial services include intersegment transactionsstellantislogo.jpg

Statement of Cash Flows by activity

Unaudited

Six months ended June 30,20262025(€ million)StellantisIndustrial activitiesFinancial servicesStellantisIndustrial activitiesFinancial servicesProfit/(loss) before taxes1,038 990 254 (2,870)(2,778)262 Adjustments for non-cash itemsdepreciation and amortization3,164 3,142 22 3,582 3,557 25 other non-cash items794 649 145 2,155 2,030 125 (gains)/losses on disposals(51)(51)— 154 154 — share of the (profit)/loss of equity method investees(143)(186)(163)433 254 (175)Change in provisions and employee benefits liabilities(1,985)(1,990)5 (833)(835)2 Net change in receivables related to financial services activities(3,048)— (3,048)(1,738)— (1,738)Change in carrying amount of leased vehicles(2,076)328 (2,404)(2,824)291 (3,115)Dividends received185 295 110 227 208 169 Income tax received/(paid), net165 204 (39)80 (168)248 Change in working capital(930)(824)(106)(653)(603)(50)Net cash from/(used in) operating activities of discontinued operations— — — — — — Net cash from/(used in) operating activities(2,887)2,557 (5,224)(2,287)2,110 (4,247)Proceeds from disposals of shares in consolidated companies and of investments in non-consolidated companies20 (27)47 389 314 75 Acquisitions of consolidated subsidiaries and equity method investments(258)(424)(29)(247)(480)(65)Proceeds from disposals of property, plant and equipment and intangible assets22 22 — 150 150 — Investments in property, plant and equipment and intangible assets(2,744)(2,720)(24)(4,447)(4,425)(22)Change in amounts payable on property, plant and equipment and intangible assets(346)(346)— (711)(711)— Changes in loans to joint ventures and associates(173)(173)— 275 275 — Change in securities462 490 (28)2,444 2,452 (8)Other(3)(2)(1)1 9 (8)Net cash from/(used in) investing activities(3,020)(3,180)(35)(2,146)(2,416)(28)Distributions paid(2)(2)(220)(1,962)(1,962)(150)Proceeds from issuance of shares14 14 195 — — 298 (Purchases)/sales of treasury shares— — — — — — Changes in debt and other financial assets and liabilities4,184 (1,568)5,752 3,899 (307)4,206 Issuance/(repayment) of perpetual notes4,927 4,927 — — — — Coupon paid on perpetual notes(35)(35)— — — — Other(39)(39)— — — — Net cash from/(used in) financing activities9,049 3,297 5,727 1,937 (2,269)4,354 Effect of changes in exchange rates413 349 64 (1,236)(1,165)(71)Less: increase/(decrease) in cash and cash equivalents included in asset held for sale(4)(4)— 292 295 (3)Increase/(decrease) in cash and cash equivalents3,551 3,019 532 (3,440)(3,445)5 Net cash and cash equivalents at beginning of period30,146 28,198 1,948 34,100 32,409 1,691 NET CASH AND CASH EQUIVALENTS AT END OF PERIOD33,697 31,217 2,480 30,660 28,964 1,696 

Figures presented for Industrial activities and Financial services include intersegment transactions