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

Date as September 9, 2024

Commission File Number 001-35428

IMMUTEPLIMITED

(Exact Name as Specified in its Charter)

N/A

(Translation ofRegistrant’s Name)

Level 32, Australia Square

264 George Street, Sydney

NSW 2000, 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): ☐

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ☐   No ☒

If “Yes” is marked, indicated below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable.

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, thereunto duly authorized.

Dated: September 9, 2024

EX-99.1

Exhibit 99.1

S&P Dow Jones Indices Announces September 2024 Quarterly Rebalance of the S&P/ASX Indices

SYDNEY, SEPTEMBER 6, 2024: S&P Dow Jones Indices announced today the changes in the S&P/ASX Indices, effective prior to the open of trading on Monday, September 23, 2024, as a result of the September quarterly review.

S&P/ASX 20 Index – Nochange.

S&P/ASX 50 Index – No change.

S&P/ASX 100 Index – Effective Prior to the Open on September 23, 2024

S&P/ASX 200 Index – Effective Prior to the Open on September 23, 2024

S&P/ASX 300 Index – Effective Prior to the Open on September 23, 2024

INDEX ANNOUNCEMENT

S&P/ASX All Technology Index – Effective Prior to the Open on September 23,2024

Any changes to constituent data can be viewed in the proforma files delivered to client SFTP accounts after market close today.

Any changes to index shares data for capped and equal weighted indices will be made available in proforma files delivered to client SFTP accounts after market close on Friday, September 13, 2024.

For more information about S&P Dow Jones Indices, please visit www.spglobal.com/spdji.

INDEX ANNOUNCEMENT

ABOUT S&P DOW JONES INDICES

S&P Dow Jones Indices is the largest global resource for essential index-based concepts, data and research, and home to iconic financial market indicators, such as the S&P 500^®^ and the Dow Jones Industrial Average^®^. More assets are invested in products based on our indices than products based on indices from any other provider in the world. Since Charles Dow invented the first index in 1884, S&P DJI has been innovating and developing indices across the spectrum of asset classes helping to define the way investors measure and trade the markets.

S&P Dow Jones Indices is a division of S&P Global (NYSE: SPGI), which provides essential intelligence for individuals, companies and governments to make decisions with confidence. For more information, visit www.spglobal.com/spdji.

FOR MOREINFORMATION:

S&P Dow Jones Indices

index_services@spglobal.com

INDEX ANNOUNCEMENT