FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
Itescu Silviu

(Last) (First) (Middle)
LEVEL 38
55 COLLINS STREET

(Street)
MELBOURNE 3000

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026
3. Issuer Name and Ticker or Trading Symbol
MESOBLAST LTD [ MESO ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
CEO and Managing Director
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares 67,756,838
D
 
Ordinary Shares 8,821,137
I
Owned by Josaka Investments Pty Ltd, the trustee of Dr. Itescu's self-managed superannuation fund
Ordinary Shares 2,380,953
I
Owned by Tamit Nominees Pty Ltd, an Australian corporation owned by Dr. Itescu
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Option (right to buy) 07/19/2020 07/19/2026 Ordinary Shares 628,445 1.45 D  
Option (right to buy) 07/19/2021 07/19/2026 Ordinary Shares 404,001 1.45 D  
Option (right to buy) 07/19/2022 07/19/2026 Ordinary Shares 179,555 1.45 D  
Option (right to buy) 08/24/2022 07/15/2027 Ordinary Shares 480,000 3.39 D  
Option (right to buy) 07/16/2023 07/15/2027 Ordinary Shares 240,000 3.39 D  
Option (right to buy) 07/21/2023 09/07/2028 Ordinary Shares 510,000 1.75 D  
Option (right to buy) 04/12/2024 10/11/2030 Ordinary Shares 424,357 0.36 D  
Option (right to buy) 05/15/2024 09/07/2028 Ordinary Shares 110,000 1.75 D  
Option (right to buy) 07/12/2024 10/11/2030 Ordinary Shares 424,357 0.36 D  
Option (right to buy) 10/12/2024 10/11/2030 Ordinary Shares 424,356 0.36 D  
Option (right to buy) 10/15/2024 09/09/2031 Ordinary Shares 133,320 0.01 D  
Option (right to buy) 10/16/2024 10/15/2030 Ordinary Shares 806,667 0.35 D  
Option (right to buy) 10/30/2024 09/09/2031 Ordinary Shares 133,320 0.01 D  
Option (right to buy) 11/15/2024 09/09/2031 Ordinary Shares 133,320 0.01 D  
Option (right to buy) 11/29/2024 09/09/2031 Ordinary Shares 133,320 0.01 D  
Option (right to buy) 12/16/2024 09/09/2031 Ordinary Shares 133,320 0.01 D  
Option (right to buy) 01/08/2025 09/09/2031 Ordinary Shares 266,640 0.01 D  
Option (right to buy) 01/20/2025 09/09/2031 Ordinary Shares 266,640 0.01 D  
Option (right to buy) 02/27/2025 08/26/2031 Ordinary Shares 155,385 0.97 D  
Option (right to buy) 02/28/2025 09/09/2031 Ordinary Shares 266,640 0.01 D  
Option (right to buy) 03/17/2025 09/09/2031 Ordinary Shares 266,640 0.01 D  
Option (right to buy) 03/31/2025 09/09/2031 Ordinary Shares 266,640 0.01 D  
Option (right to buy) 04/15/2025 09/09/2031 Ordinary Shares 222,200 0.01 D  
Option (right to buy) 05/10/2025 07/15/2027 Ordinary Shares 480,000 3.39 D  
Option (right to buy) 05/27/2025 08/26/2031 Ordinary Shares 155,385 0.97 D  
Option (right to buy) 08/27/2025 08/26/2031 Ordinary Shares 1,191,384 0.97 D  
Option (right to buy) 10/16/2025 10/16/2029 Ordinary Shares 930,000 1.01 D  
Option (right to buy) 10/16/2025 10/15/2030 Ordinary Shares 806,667 0.35 D  
Explanation of Responses:
Remarks:
1. All exercise prices are in Australian dollars.
/s/ Silviu Itescu 04/01/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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