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6-K

Mesoblast Ltd (MESO)

6-K 2025-03-07 For: 2025-03-07
View Original
Added on April 08, 2026

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 March 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 March 6, 2025, Mesoblast Limited filed with the Australian Securities Exchange a new release announcement, which is attached hereto as Exhibit 99.1, and is incorporated herein by reference.

On March 7, 2025, Mesoblast Limited filed with the Australian Securities Exchange a new issue announcement, change of director’s interest notice (Appendix 3Y) and revised initial director’s interest notice (Appendix 3X) which is attached hereto as Exhibit 99.2, and is incorporated herein by reference.

On March 7, 2025, Mesoblast Limited filed with the Australian Securities Exchange a new issue announcement, change of director’s interest notice (Appendix 3Y) which is attached hereto as Exhibit 99.3, and is incorporated herein by reference.

On March 7, 2025, Mesoblast Limited filed with the Australian Securities Exchange a new issue announcement, notification of issue, conversion or payment up of unquoted equity securities (Appendix 3G) which is attached hereto as Exhibit 99.4, and is incorporated herein by reference.

On March 7, 2025, Mesoblast Limited filed with the Australian Securities Exchange a new issue announcement, change of director’s interest notice (Appendix 3Y) which is attached hereto as Exhibit 99.5, 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/ Niva Sivakumar
Niva Sivakumar
Company Secretary

Dated: March 7, 2025

INDEX TO EXHIBITS

Item
exhibit991.htm99.1 Press release of Mesoblast Ltd, dated March 6, 2025.
exhibit992.htm99.2 Appendix 3Y and revised Appendix 3X of Mesoblast Ltd, dated March 7, 2025.
exhibit993.htm99.3 Appendix 3Y of Mesoblast Ltd, dated March 7, 2025.
exhibit994.htm99.4 Appendix 3G of Mesoblast Ltd, dated March 7, 2025.
exhibit995.htm99.5 Appendix 3Y of Mesoblast Ltd, dated March 7, 2025.

exhibit991

MESOBLAST ADDED TO S&P/ASX200 INDEX Melbourne, Australia; March 6 and New York, USA; March 5, 2025: Mesoblast Limited (ASX:MSB; Nasdaq:MESO), global leader in allogeneic cellular medicines for inflammatory diseases, today announced its upcoming addition to the S&P Dow Jones Indices’ S&P/ASX 200 Index effective prior to the open of trading today on the Australian Stock Exchange (ASX). The S&P/ASX 200 is recognized as the institutional investable benchmark in Australia. Index constituents are drawn from eligible companies listed on the ASX. The S&P/ASX 200 is designed to measure the performance of the 200 largest index-eligible stocks listed on the ASX by float-adjusted market capitalization. Representative, liquid, and tradable, it is widely considered Australia’s preeminent benchmark index. About Mesoblast Mesoblast (the Company) is a world leader in developing allogeneic (off-the-shelf) cellular medicines for the treatment of severe and life-threatening inflammatory conditions. The therapies from the Company’s proprietary mesenchymal lineage cell therapy technology platform respond to severe inflammation by releasing anti-inflammatory factors that counter and modulate multiple effector arms of the immune system, resulting in significant reduction of the damaging inflammatory process. Mesoblast’s RYONCIL® (remestemcel-L) for the treatment of steroid-refractory acute graft versus host disease (SR-aGvHD) in pediatric patients 2 months and older is the first FDA-approved mesenchymal stromal cell (MSC) therapy. Please see the full Prescribing Information at www.ryoncil.com. Mesoblast is committed to developing additional cell therapies for distinct indications based on its remestemcel-L and rexlemestrocel-L allogeneic stromal cell technology platforms. RYONCIL is being developed for additional inflammatory diseases including SR-aGvHD in adults and biologic-resistant inflammatory bowel disease. Rexlemestrocel-L is being developed for heart failure and chronic low back pain. The Company has established commercial partnerships in Japan, Europe and China. About Mesoblast intellectual property: Mesoblast has a strong and extensive global intellectual property portfolio, with over 1,000 granted patents or patent applications covering mesenchymal stromal cell compositions of matter, methods of manufacturing and indications. These granted patents and patent applications are expected to provide commercial protection extending through to at least 2041 in major markets. About Mesoblast manufacturing: The Company’s proprietary manufacturing processes yield industrial-scale, cryopreserved, off-the-shelf, cellular medicines. These cell therapies, with defined pharmaceutical release criteria, are planned to be readily available to patients worldwide. Mesoblast has locations in Australia, the United States and Singapore and is listed on the Australian Securities Exchange (MSB) and on the Nasdaq (MESO). For more information, please see www.mesoblast.com, LinkedIn: Mesoblast Limited and Twitter: @Mesoblast Forward-Looking Statements This press release includes forward-looking statements that relate to future events or our future financial performance and involve known and unknown risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or achievements to differ materially from any future results, levels of activity, performance or achievements expressed or implied by these forward-looking statements. We make such forward-looking statements pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and other federal securities laws. Forward-looking statements should not be read as a guarantee of future performance or results, and actual results may differ from the results anticipated in these forward-looking statements, and the differences may be Exhibit 99.1


material and adverse. Forward-looking statements include, but are not limited to, statements about: the initiation, timing, progress and results of Mesoblast’s preclinical and clinical studies, and Mesoblast’s research and development programs; Mesoblast’s ability to advance product candidates into, enroll and successfully complete, clinical studies, including multi-national clinical trials; Mesoblast’s ability to advance its manufacturing capabilities; the timing or likelihood of regulatory filings and approvals, manufacturing activities and product marketing activities, if any; the commercialization of Mesoblast’s RYONCIL for pediatric SR-aGVHD and any other product candidates, if approved; regulatory or public perceptions and market acceptance surrounding the use of stem-cell based therapies; the potential for Mesoblast’s product candidates, if any are approved, to be withdrawn from the market due to patient adverse events or deaths; the potential benefits of strategic collaboration agreements and Mesoblast’s ability to enter into and maintain established strategic collaborations; Mesoblast’s ability to establish and maintain intellectual property on its product candidates and Mesoblast’s ability to successfully defend these in cases of alleged infringement; the scope of protection Mesoblast is able to establish and maintain for intellectual property rights covering its product candidates and technology; estimates of Mesoblast’s expenses, future revenues, capital requirements and its needs for additional financing; Mesoblast’s financial performance; developments relating to Mesoblast’s competitors and industry; and the pricing and reimbursement of Mesoblast’s product candidates, if approved. You should read this press release together with our risk factors, in our most recently filed reports with the SEC or on our website. Uncertainties and risks that may cause Mesoblast’s actual results, performance or achievements to be materially different from those which may be expressed or implied by such statements, and accordingly, you should not place undue reliance on these forward-looking statements. We do not undertake any obligations to publicly update or revise any forward-looking statements, whether as a result of new information, future developments or otherwise. Release authorized by the Chief Executive. For more information, please contact: Corporate Communications / Investors Media – Global Paul Hughes Allison Worldwide T: +61 3 9639 6036 Emma Neal E: [email protected] T: +1 603 545 4843 E: [email protected] Media – Australia BlueDot Media Steve Dabkowski T: +61 419 880 486 E: [email protected]


exhibit992

7 March 2025 Dr Gregory George – Appendix 3Y and replacement 3X Please see attached an Appendix 3Y for recent share purchases by recently appointed director Dr George. In addition, please see attached a revised Appendix 3X for Dr George. This is provided in replacement of the Appendix 3X provided 24 February 2025. Exhibit 99.2


Gregory George Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/09/01 Amended 01/01/11 Name of entity MESOBLAST LIMITED ABN 68 109 431 870 We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act. Name of Director Gregory George Date of last notice 7 March 2025 Part 1 - Change of director’s relevant interests in securities In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part. Direct or indirect interest Direct and indirect Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. JP Morgan Nominees Australia Pty Limited (Interest in ordinary shares held in the form of American Depositary Shares (“ADS”) held by custodian JP Morgan Nominees Australia Pty Limited. Interest in the ADSs held by G to the Fourth Investments, LLC) Date of change 28 February 2025 and 3 March 2025 No. of securities held prior to change Direct 19,350,005 ordinary shares 200,000 warrants convertible into ADS. Each ADS represents 10 ordinary shares. Indirect 3 ordinary shares 6,830,602 warrants to acquire ordinary shares 22,414,606 ADS. Each ADS represents 10 ordinary shares. Grantor of put option over 50,000 ADS, each representing 10 ordinary shares Class See above Number acquired - 4,551,272 ordinary shares, and - 482,857 ADS, each representing 10 ordinary shares


Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 2 3474-4871-0967, v. 1 Number disposed Nil Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation US$7,251,757.93 for the ordinary shares purchased US$7,577,059.72 for the ADS purchased No. of securities held after change Direct 19,350,005 ordinary shares 200,000 warrants convertible into ADS. Each ADS represents 10 ordinary shares. Indirect 4,551,275 ordinary shares 6,830,602 warrants to acquire ordinary shares 22,897,463 ADS. Each ADS represents 10 ordinary shares. Grantor of put option over 50,000 ADS, each representing 10 ordinary shares Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back On market purchase by G to the Fourth Investments, LLC of: - 4,551,272 ordinary shares, and - 482,857 ADS, each representing 10 ordinary shares Part 2 – Change of director’s interests in contracts Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part. Detail of contract N/A Nature of interest Name of registered holder (if issued securities) Date of change No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed Interest acquired Interest disposed


Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3 3474-4871-0967, v. 1 Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation Interest after change Part 3 – +Closed period Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required? No If so, was prior written clearance provided to allow the trade to proceed during this period? If prior written clearance was provided, on what date was this provided?


Rule 3.19A.1 Appendix 3X Initial Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/9/2001. Name of entity MESOBLAST LIMITED ABN 68 109 431 870 We (the entity) give ASX the following information under listing rule 3.19A.1 and as agent for the director for the purposes of section 205G of the Corporations Act. Name of Director Gregory George Date of appointment 24 February 2025 Part 1 - Director’s relevant interests in securities of which the director is the registered holder In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part. Number & class of securities 19,350,005 ordinary shares 200,000 warrants convertible into American Depositary Shares (“ADS”). Each ADS represents 10 ordinary shares.


Appendix 3X Initial Director’s Interest Notice + See chapter 19 for defined terms. 11/3/2002 Appendix 3X Page 2 3447-0410-8855, v. 1 Part 2 – Director’s relevant interests in securities of which the director is not the registered holder In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Name of holder & nature of interest Note: Provide details of the circumstances giving rise to the relevant interest. G to the Fourth Investments, LLC (Gregory George, is a member of G to the Fourth Investments, LLC and is deemed to be the beneficial owner of these securities) G to the Fourth Investments, LLC has sold a put option which may result in the holder of the put option requiring G to the Fourth Investments, LLC to purchase these securities on or before the put option expiry of April 17, 2025 JP Morgan Nominees Australia Pty Limited (Interest in ordinary shares held in the form of American Depositary Shares held by custodian JP Morgan Nominees Australia Pty Limited. Interest in the ADSs held by Gregory George, G to the Fourth Investments, LLC, and Dr George’s sons’ James George and Grant George) Number & class of Securities 3 ordinary shares 6,830,602 warrants 50,000 ADS. Each ADS represents 10 ordinary shares 22,414,606 ADS. Each ADS represents 10 ordinary shares. Part 3 – Director’s interests in contracts Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.


Appendix 3X Initial Director’s Interest Notice + See chapter 19 for defined terms. 11/3/2002 Appendix 3X Page 3 3447-0410-8855, v. 1 Detail of contract Nature of interest Name of registered holder (if issued securities) No. and class of securities to which interest relates


exhibit993

Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/09/01 Amended 01/01/11 Name of entity Mesoblast Limited ABN 68 109 431 870 We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act. Name of Director Jane C. Bell Date of last notice 16 January 2025 Part 1 - Change of director’s relevant interests in securities In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part. Direct or indirect interest Indirect Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Jane Catherine Bell and Geoffrey Arthur Bell as trustees for the family self-managed superannuation fund Date of change 28 February 2025 No. of securities held prior to change 543,441 ordinary shares, held indirectly 719,037 options, held directly Class Ordinary shares Number acquired 79,051 ordinary shares Number disposed Not applicable Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation $199,999.03 (A$2.53 per share) No. of securities held after change 622,492 ordinary shares, held indirectly 719,037 options, held directly Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back On market share purchase Exhibit 99.3


Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Part 2 – Change of director’s interests in contracts Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part. Detail of contract Not applicable Nature of interest Not applicable Name of registered holder (if issued securities) Not applicable Date of change Not applicable No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed Not applicable Interest acquired Not applicable Interest disposed Not applicable Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation Not applicable Interest after change Not applicable Part 3 – +Closed period Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required? No If so, was prior written clearance provided to allow the trade to proceed during this period? Not applicable If prior written clearance was provided, on what date was this provided? Not applicable


exhibit994

Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 1 / 6 Announcement Summary Entity name MESOBLAST LIMITED Date of this announcement Friday March 07, 2025 The +securities the subject of this notification are: Total number of +securities to be issued/transferred ASX +security code Security description Total number of +securities to be issued/transferred Issue date MSB ORDINARY FULLY PAID 548,851 28/02/2025 Refer to next page for full details of the announcement Unquoted options that have been exercised or other unquoted +convertible securities that have been converted Exhibit 99.4


Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 2 / 6 Part 1 - Entity and announcement details 1.1 Name of entity MESOBLAST LIMITED We (the entity named above) give notice of the issue, conversion or payment up of the following unquoted +securities. 1.2 Registered number type ABN Registration number 68109431870 1.3 ASX issuer code MSB 1.4 The announcement is 1.5 Date of this announcement 7/3/2025 New announcement


Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 3 / 6 Part 2 - Issue details 2.1 The +securities the subject of this notification are: 2.2b The +securities being issued, transferred or re-classified as a result of the options being exercised or other +convertible securities being converted are: securities that have already been quoted on ASX ("existing class") Unquoted options that have been exercised or other unquoted +convertible securities that have been converted


Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 4 / 6 Part 3B - number and type of +securities the subject of this notification (existing class) where issue has not previously been notified to ASX in an Appendix 3B The right of the holder of the options or other +convertible securities to receive the +underlying securities is being satisfied by: The underlying securities being received by the holder are: Existing +securities converting into an existing class FROM (Existing Class) ASX +Security code and description MSBAI : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES TO (Existing Class) ASX +Security code and description MSB : ORDINARY FULLY PAID Please state the number of options that were exercised or other +convertible securities that were converted 548,851 The first date the options were exercised or other +convertible securities were converted 28/2/2025 The last date the options were exercised or other +convertible securities were converted 28/2/2025 Is this all of the options or other +convertible securities on issue of that type? Were the options being exercised or other +convertible securities being converted issued under an +employee incentive scheme? Are any of the options being exercised or other +convertible securities being converted held by +key management personnel (KMP) or an +associate? Provide details of the KMP or +associates who are exercising options or converting +convertible securities. Name of KMP Name of registered holder Number of +securities Eric Rose Eric Rose 548,851 Date the +securities the subject of this notification were issued/transferred 28/2/2025 Any other information the entity wishes to provide about the +securities the subject of this notification Issue details Number of +securities 548,851 Yes Yes No Already quoted by ASX A transfer of existing +securities


Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 5 / 6


Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities Appendix 3G - Notification of issue, conversion or payment up of unquoted equity securities 6 / 6 Part 4 - +Securities on issue Following the issue, conversion or payment up of the +securities the subject of this notification, the +securities 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 issued and quoted on ASX) ASX +security code and description Total number of +securities on issue MSB : ORDINARY FULLY PAID 1,270,527,187 4.2 Unquoted +securities (Total number of each +class of +securities issued but not quoted on ASX) ASX +security code and description Total number of +securities on issue MSBAI : OPTION EXPIRING VARIOUS DATES EX VARIOUS PRICES 90,508,772 MSBAA : WARRANTS 2 2,000,000 MSBAO : WARRANTS 15,027,327 MSBAP : ADS WARRANTS 884,838


exhibit995

Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 1 Rule 3.19A.2 Appendix 3Y Change of Director’s Interest Notice Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public. Introduced 30/09/01 Amended 01/01/11 Name of entity Mesoblast Limited ABN 68 109 431 870 We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act. Name of Director Dr Eric Rose Date of last notice 21 January 2025 Part 1 - Change of director’s relevant interests in securities In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part. Direct or indirect interest Direct Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest. Eric Rose Date of change 28 February 2025 No. of securities held prior to change 5,754,534 ordinary shares (including 71,472 ADS) 6,596,953 options Class Ordinary Shares Number acquired 548,851 ordinary shares acquired on exercise of 548,851 options which were required to be exercised by 14 March 2025 Number disposed 196,092 ordinary shares of the ordinary shares issued on exercise of the options were sold on-market to fund the exercise price and directors tax liability for the option exercise for the tax year ended 31 December 2024 Exhibit 99.5


Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. Appendix 3Y Page 2 01/01/2011 Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation $5,489 was paid for the 548,851 ordinary shares issued on exercise of the options $489,541.56 was received for the 196,092 ordinary shares sold on-market No. of securities held after change 6,107,293 ordinary shares (including 71,472 ADS) 6,048,102 options Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back Exercise of options and on-market share trade Part 2 – Change of director’s interests in contracts Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part. Detail of contract Not applicable Nature of interest Not applicable Name of registered holder (if issued securities) Not applicable Date of change Not applicable No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed Not applicable Interest acquired Not applicable Interest disposed Not applicable Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation Not applicable Interest after change Not applicable Part 3 – +Closed period


Appendix 3Y Change of Director’s Interest Notice + See chapter 19 for defined terms. 01/01/2011 Appendix 3Y Page 3 Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required? No If so, was prior written clearance provided to allow the trade to proceed during this period? Not applicable If prior written clearance was provided, on what date was this provided? Not applicable