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 July, 2026

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

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.

Date: June 9, 2026

NOVONIX Announces Interim Chief Financial Officer Remuneration Arrangements

Chattanooga, TN (USA), 1 July 2026 - NOVONIX Limited (NASDAQ: NVX, ASX: NVX) (“NOVONIX” or the “Company”), a leading battery materials company, today announced the remuneration arrangements agreed with Mr Ron Edmonds in connection with his appointment as Interim Chief Financial Officer.

As previously announced on 9 June 2026, Mr Edmonds will assume the role of Interim Chief Financial Officer following the departure of former Chief Financial Officer, Robert Long. To reflect the additional executive responsibilities and time commitment associated with the role, the Company has agreed that Mr Edmonds will receive additional remuneration for the duration of his appointment as Interim Chief Financial Officer, as set out in Appendix 1.

Mr Edmonds will continue to serve as a director of the Company but has stepped aside from the role of Chair while undertaking the Interim Chief Financial Officer position. Deputy Chair, Admiral Robert Natter, has resumed the role of Chair during the interim period.

The remuneration arrangements will remain in place until the appointment of a permanent Chief Financial Officer or the earlier cessation of Mr Edmonds' interim appointment.

This announcement has been authorised for release by Admiral Robert Natter, Chairman.

About NOVONIX

NOVONIX is building a resilient North American battery materials supply chain to reduce risk and support U.S. energy independence. Headquartered in Chattanooga, Tennessee, the company produces high-performance synthetic graphite anode materials for lithium-ion batteries, serving energy storage, electric vehicles, and industrial markets. Through proprietary technologies and expanding manufacturing capacity, NOVONIX is scaling critical battery materials to meet growing global demand.

To learn more, visit us at www.novonixgroup.com or on LinkedIn and X.

For NOVONIX Limited

Investors: ir@novonixgroup.com

Media: media@novonixgroup.com

Appendix 1 – Chief Financial Officer Remuneration