STOCK TITAN

Mesoblast (MESO) director William Murray Burns reports options and 226,250 shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Mesoblast Ltd director William Murray Burns filed an initial Form 3 showing his beneficial holdings in the company. The filing lists several option awards over Ordinary Shares with exercise prices ranging from $0.36 to $1.81 per share and expirations between 2026 and 2031. It also reports direct ownership of 226,250 Ordinary Shares as of the reporting date. These entries reflect existing positions rather than new purchases or sales.

Positive

  • None.

Negative

  • None.
Insider BURNS WILLIAM MURRAY
Role Director
Type Security Shares Price Value
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Option (right to buy) -- -- --
holding Ordinary Shares -- -- --
Holdings After Transaction: Option (right to buy) — 33,333 shares (Direct); Ordinary Shares — 226,250 shares (Direct)
Footnotes (1)
Direct Ordinary Shares held 226,250 shares Total Ordinary Shares directly owned as of reporting date
Option exercise price $1.81 per share Options over 33,333–33,334 Ordinary Shares expiring November 17, 2026
Low-strike options $0.36 per share Options over 136,550–136,551 Ordinary Shares expiring October 11, 2030
Mid-strike options $0.97 per share Options over 50,000 Ordinary Shares expiring August 26, 2031
Form 3 regulatory
"INSIDER FILING DATA (Form 3): initial statement of beneficial ownership"
Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.
Option (right to buy financial
""security_title": "Option (right to buy)", showing derivative awards over shares"
Ordinary Shares financial
""underlying_security_title": "Ordinary Shares" and direct holding of 226250.0000"
Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.
exercise price financial
""conversion_or_exercise_price": "0.3600" and other listed option prices"
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
SEC Form 3
FORM 3UNITED 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
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
BURNS WILLIAM MURRAY

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

(Street)
MELBOURNE, VICTORIA3000

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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 Shares226,250D
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 ExercisableExpiration DateTitleAmount or Number of Shares
Option (right to buy)11/17/202011/17/2026Ordinary Shares33,333$1.81D
Option (right to buy)11/17/202111/17/2026Ordinary Shares33,333$1.81D
Option (right to buy)11/17/202211/17/2026Ordinary Shares33,334$1.81D
Option (right to buy)04/12/202410/11/2030Ordinary Shares136,551$0.36D
Option (right to buy)07/12/202410/11/2030Ordinary Shares136,550$0.36D
Option (right to buy)10/12/202410/11/2030Ordinary Shares136,550$0.36D
Option (right to buy)02/27/202508/26/2031Ordinary Shares50,000$0.97D
Option (right to buy)05/27/202508/26/2031Ordinary Shares50,000$0.97D
Option (right to buy)08/27/202508/26/2031Ordinary Shares50,000$0.97D
Explanation of Responses:
Remarks:
1. All exercise prices are in Australian dollars.
/s/ William Murray Burns04/01/2026
** Signature of Reporting PersonDate
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 (MESO) Form 3 filing by William Murray Burns show?

The Form 3 shows William Murray Burns’ existing beneficial ownership in Mesoblast, including several option grants over Ordinary Shares and 226,250 Ordinary Shares held directly. It is an initial disclosure of holdings, not a report of new purchases or sales.

How many Mesoblast (MESO) Ordinary Shares does William Murray Burns hold directly?

The filing reports direct ownership of 226,250 Ordinary Shares. This figure represents his beneficial holding as of the Form 3 reporting date and does not indicate any recent transaction activity such as buying or selling in the market.

What option awards over Mesoblast (MESO) shares are reported in the Form 3?

The Form 3 lists multiple options to buy Ordinary Shares, including grants with exercise prices of $1.81, $0.36, and $0.97 per share. These options have expiration dates in 2026, 2030, and 2031, respectively, reflecting different award vintages.

Do the Mesoblast (MESO) Form 3 entries show any insider buying or selling?

No explicit insider buying or selling is shown. All entries are coded as holdings with an unknown transaction code, and the transaction summary reports zero buy and sell transactions, indicating this filing is a position snapshot rather than trade disclosure.

What are the key expiration dates for William Murray Burns’ Mesoblast (MESO) options?

The filing discloses option positions expiring on November 17, 2026, October 11, 2030, and August 26, 2031. These dates indicate the periods during which Burns can exercise his rights to acquire Mesoblast Ordinary Shares at the stated exercise prices.