6-K

UNITED STATES

SECURITIESAND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORTOF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the monthof August, 2025

CommissionFile Number: 1-13546

STMicroelectronics N.V.

(Name of Registrant)

WTC Schiphol Airport

Schiphol Boulevard 265

1118 BH Schiphol Airport

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 ☐

Enclosure: A press release dated August 20, 2025, announcing the publication of STMicroelectronics' IFRS 2025 semi-annual accounts.

PR No. C3355C

STMicroelectronics Publishes its IFRS 2025 Semi AnnualAccounts

Geneva, August 20, 2025 – STMicroelectronics NV (NYSE: STM), a global semiconductor leader serving customers across the spectrum of electronics applications, published today its IFRS 2025 Semi Annual Accounts for the six-month period ended June 28, 2025, on its website and filed them with the Netherlands Authority for the Financial Markets (AFM).

The Company’s Semi Annual Accounts, prepared in accordance with International Financial Reporting Standards (IFRS-EU) are posted on the Company’s website (www.st.com) and the AFM’s website (www.afm.nl).

About STMicroelectronics

At ST, we are 50,000 creators and makers of semiconductor technologies mastering the semiconductor supply chain with state-of-the-art manufacturing facilities. An integrated device manufacturer, we work with more than 200,000 customers and thousands of partners to design and build products, solutions, and ecosystems that address their challenges and opportunities, and the need to support a more sustainable world. Our technologies enable smarter mobility, more efficient power and energy management, and the wide-scale deployment of cloud-connected autonomous things. We are on track to be carbon neutral in all direct and indirect emissions (scopes 1 and 2), product transportation, business travel, and employee commuting emissions (our scope 3 focus), and to achieve our 100% renewable electricity sourcing goal by the end of 2027. Further information can be found at www.st.com.

For further information, please contact:

INVESTOR RELATIONS:

Jérôme Ramel

EVP Corporate Development & Integrated External Communication

Tel: +41 22 929 59 20

jerome.ramel@st.com

MEDIA RELATIONS:

Alexis Breton

Group VP Corporate External Communications

Tel: + 33 6 59 16 79 08

alexis.breton@st.com

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, thereunto duly authorized.