Mesoblast (MEOBF) Form 3 names CFO Obrien as reporting insider

Rhea-AI Filing Summary

Mesoblast Ltd filed a Form 3 identifying James Michael Obrien, Chief Financial Officer, as a reporting person for MESO. The filing lists no equity or derivative transactions and shows no buy, sell, acquire, dispose, or other activity in the summarized data.

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SEC Form 3

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^*

OBRIEN JAMES MICHAEL

(Last) (First) (Middle)

LEVEL 38

55 COLLINS STREET

(Street)

MELBOURNE, VICTORIA 3000

(City) (State) (Zip)

AUSTRALIA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
MESOBLAST LTD [ MESO ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

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)

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

Explanation of Responses:

Remarks:

There are no non-derivative or derivative securities beneficially owned.

No securities are beneficially owned.

	/s/ James Michael O'Brien	03/18/2026
	** 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 5 (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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Mesoblast (MEOBF) Form 3 for James Michael Obrien show?

The Form 3 for Mesoblast lists James Michael Obrien as Chief Financial Officer and a reporting person for MESO. The summarized data shows no buy, sell, acquire, dispose, gift, or restructuring activity and no derivative transactions.

Are there any insider share purchases or sales in the Mesoblast (MEOBF) Form 3?

No insider share purchases or sales appear in the summarized Form 3 data. BuyCount, SellCount, netBuySellShares and netBuySellDirection are all neutral, indicating no reported open-market buying or selling activity in this filing.

Does the Mesoblast (MEOBF) Form 3 report any option exercises or derivative trades?

The summarized data shows no option exercises or derivative trades. ExerciseCount, exerciseShares, and derivativeTransactionCount are all zero, and the derivativeSummary is empty, indicating no derivative-related activity reported in this Form 3.

Who is the reporting insider in the Mesoblast (MEOBF) Form 3 filing?

The reporting insider is James Michael Obrien, identified as an officer of Mesoblast Ltd with the title Chief Financial Officer. He is not listed as a director or ten percent owner in the structured Form 3 data provided.

Does the Mesoblast (MEOBF) Form 3 indicate any gifts or tax-withholding share transfers?

No gifts or tax-withholding transfers are indicated. GiftCount and giftShares are zero, while taxWithholdingCount and taxWithholdingShares are also zero, showing no such non-market share movements in this Form 3 summary.