NOVONIX Ltd — Major Shareholding Notification 2025

Oct 27, 2025

6-K 1 nvx-6k-oct-25--27_form_6.htm 6-K DFIN ActiveDisclosure (SM) HTML Document - http://www.dfinsolutions.com/ Creation Date :2025-10-27T06:20:00.5709+00:00 Copyright (c) 2025 Donnelley Financial Solutions, Inc. All Rights Reserved. 6-K

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 October, 2025

001-41208
(Commission File Number)

NOVONIX LIMITED

(Translation of registrant’s name into English)

Level 38

71 Eagle Street

Brisbane, QLD 4000 Australia

(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 ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

EXHIBIT INDEX

Exhibit No.	Description
Exhibit 99.1	ASX Announcement (Change in substantial holding) dated October 27, 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 authorized.

NOVONIX LIMITED
By:	/s/ Robert Long
	Robert Long
	Chief Financial Officer

Date: October 27, 2025