Mesoblast (NASDAQ: MESO) director details large warrant and option stakes

Rhea-AI Filing Summary

Mesoblast Ltd director George Gregory filed an initial Form 3 detailing his derivative holdings in MESO. The filing lists indirect warrants over 6,830,602 ordinary shares at an exercise price of $2.86 expiring in 2028, plus direct warrants over 200,000 ADS at $9.06 and 1,600,000 ordinary shares or ADS at $2.50 expiring between 2028 and 2029.

He also holds three option tranches over 66,667, 66,667 and 66,666 ordinary shares at $1.72 per share, which become exercisable between 2026 and 2028 and expire in 2032. The Form 3 reports these existing positions and does not show new purchases or sales.

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^*

George Gregory

(Last) (First) (Middle)

LEVEL 38, 55 COLLINS STREET

(Street)

MELBOURNE, VICTORIA C3 3000

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/16/2026

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
	Officer (give title below)		Other (specify below)

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)

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
Warrants	03/18/2021	03/17/2028	Ordinary Shares	6,830,602	$2.86	I	By G to the Fourth Investments, LLC.
Warrants	11/11/2024	11/10/2028	ADS	200,000	$9.06	D
Warrants	12/17/2025	12/16/2029	Ordinary Shares or the # of ADS at holder election	1,600,000	$2.5	D
Options	05/10/2026	05/09/2032	Ordinary Shares	66,667	$1.72	D
Options	05/10/2027	05/09/2032	Ordinary Shares	66,667	$1.72	D
Options	05/10/2028	05/09/2032	Ordinary Shares	66,666	$1.72	D

Explanation of Responses:

	/s/ Gregory George	03/16/2026
	** 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.

FAQ

What does George Gregory’s Form 3 for MESOBLAST (MESO) show?

George Gregory’s Form 3 reports his existing derivative holdings in MESOBLAST. It lists large blocks of warrants and stock options over MESO ordinary shares and ADS, including exercise prices and expiration dates, but does not report any new purchases or sales.

How many MESOBLAST ordinary shares are covered by Gregory’s indirect warrants?

Gregory’s indirect warrants cover 6,830,602 MESOBLAST ordinary shares at a $2.86 exercise price, expiring in 2028. These warrants are held indirectly through G to the Fourth Investments, LLC, as disclosed in the ownership details of the filing.

What MESOBLAST ADS-related warrants does George Gregory hold?

George Gregory holds direct warrants linked to 200,000 MESOBLAST ADS at a $9.06 exercise price, expiring in 2028. The filing also notes separate direct warrants over 1,600,000 ordinary shares or ADS at the holder’s election, exercisable at $2.50 and expiring in 2029.

What stock options over MESOBLAST shares are reported in Gregory’s Form 3?

The Form 3 lists three direct option tranches over MESOBLAST ordinary shares: 66,667, 66,667 and 66,666 shares, each with a $1.72 exercise price. These options become exercisable between 2026 and 2028 and share a common expiration date in 2032.

Does George Gregory’s MESOBLAST Form 3 indicate insider buying or selling?

The Form 3 does not indicate insider buying or selling. It classifies all six entries as holdings, with unknown transaction codes and a neutral net buy/sell direction, meaning the filing simply reports Gregory’s existing derivative positions at MESOBLAST.

How are George Gregory’s MESOBLAST warrants held directly vs. indirectly?

The filing shows 6,830,602 underlying ordinary shares in warrants held indirectly through G to the Fourth Investments, LLC, and additional warrant positions held directly. Direct holdings include warrants over 200,000 ADS and 1,600,000 ordinary shares or ADS, each with specified exercise prices and expirations.