[6-K] MESOBLAST LTD Current Report (Foreign Issuer)

Rhea-AI Filing Summary

Mesoblast Limited furnished a Form 6-K to provide investors with its Australian Securities Exchange Appendix 4C quarterly report for the quarter ended September 30, 2025. The Appendix 4C is attached as Exhibit 99.1 and incorporated by reference. The filing is an administrative submission linking U.S. investors to the company’s ASX quarterly cash flow and activities report.

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

Commission File Number 001-37626

Mesoblast Limited

(Exact name of Registrant as specified in its charter)

Not Applicable

(Translation of Registrant’s name into English)

Australia
(Jurisdiction of incorporation or organization)

Silviu Itescu

Chief Executive Officer and Executive Director

Level 38

55 Collins Street

Melbourne 3000

Australia

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F:

Form 20-F ☑ Form 40-F ☐

INFORMATION CONTAINED ON THIS REPORT ON FORM 6-K

On October 20, 2025, Mesoblast Limited filed with the Australian Securities Exchange a quarterly report for entities admitted on the basis of commitments (Appendix 4C) for the quarter ended September 30, 2025, which is attached hereto as Exhibit 99.1, and is incorporated herein by reference.

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 organized.

Mesoblast Limited

/s/ Paul Hughes

Paul Hughes

Company Secretary

Dated: October 22, 2025

INDEX TO EXHIBITS

Item
99.1						Appendix 4C of Mesoblast Ltd, dated October 20, 2025.