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

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 May 2026
Commission File Number: 001-40416

Nouveau Monde Graphite Inc.
(Translation of registrant’s name into English)

481 rue Brassard
Saint-Michel-des-Saints, Quebec
Canada J0K 3B0

(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.

Form 20-F ¨   Form 40-F x

INCORPORATION BY REFERENCE

Exhibit 99.1 of this Form 6-K is hereby filed and incorporated by reference into the registrant’s Registration Statement on Form F-10 (File No. 333-291778).

DOCUMENTS TO BE FILED AS PART OF THIS FORM 6-K

99.1 Press Release dated May 15, 2026

99.1	Material Change Report dated May 20, 2026
99.2	Investor Rights Agreement dated May 15, 2026
99.3	Registration Rights Agreement dated May 15, 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, there unto duly authorized.

	Nouveau Monde Graphite Inc.
	Nouveau Monde Graphite Inc. (Registrant)
	(Registrant)
Date: May 26, 2026	/s/ Josée Gagnon
Date: May 15, 2026	/s/ Josée Gagnon
	Josée Gagnon
	Vice President, Legal Affairs & Corporate Secretary

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