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 June, 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 22, 2026

Exhibit 99.1

Announcement Summary

Entity name

NOVONIX LIMITED

Announcement Type

New announcement

Date of this announcement

Friday June 19, 2026

The +securities to be quoted are:

+Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B

Total number of +securities to be quoted

Refer to next page for full details of the announcement

Part 1 - Entity and announcement details

1.1 Name of entity

NOVONIX LIMITED

We (the entity named above) apply for +quotation of the following +securities and agree to the matters set out in Appendix 2A of the ASX Listing Rules.

1.3 ASX issuer code

NVX

1.4 The announcement is

New announcement

1.5 Date of this announcement

19/6/2026

Part 2 - Type of Issue

2.1 The +securities to be quoted are:

+Securities issued as part of a transaction or transactions previously announced to the market in an Appendix 3B

Previous Appendix 3B details:

2.3a.2 Are there any further issues of +securities yet to take place to complete the transaction(s) referred to in the Appendix 3B?

Yes

2.3a.3 Please provide details of the further issues of +securities yet to take place to complete the transaction(s) referred to in the Appendix 3B

Part 3A - number and type of +securities to be quoted where issue has previously been notified to ASX in an Appendix 3B

Placement Details

ASX +security code and description

NVX : ORDINARY FULLY PAID

Issue date

22/6/2026

Issue details

Number of +securities to be quoted

129,334,163

Are the +securities being issued for a cash consideration?

Yes

Any other information the entity wishes to provide about the +securities to be quoted

Part 4 - Issued capital following quotation

Following the quotation of the +securities the subject of this application, the issued capital of the entity will comprise:

The figures in parts 4.1 and 4.2 below are automatically generated and may not reflect the entity's current issued capital if other Appendix 2A, Appendix 3G or Appendix 3H forms are currently with ASX for processing.

4.1 Quoted +securities (total number of each +class of +securities quoted on ASX following the +quotation of the

+securities subject of this application)

4.2 Unquoted +securities (total number of each +class of +securities issued but not quoted on ASX)