# EDGAR Filing Document

**Accession Number:** 0001977041
**File Stem:** 0001999371-26-008124
**Filing Date:** 2026-4
**Character Count:** 7349
**Document Hash:** 562c4db62ce7569eb5efd3db7c6f2663
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001999371-26-008124.hdr.sgml**: 20260410

**ACCESSION NUMBER**: 0001999371-26-008124

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260409

**FILED AS OF DATE**: 20260410

**DATE AS OF CHANGE**: 20260410

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** George Gregory
- **CENTRAL INDEX KEY:** 0001977041

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37626
- **FILM NUMBER:** 26856166

**MAIL ADDRESS:**
- **STREET 1:** 371 CHANNELSIDE WALKWAY
- **STREET 2:** PH 1702
- **CITY:** TAMPA
- **STATE:** FL
- **ZIP:** 33602
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MESOBLAST LTD
- **CENTRAL INDEX KEY:** 0001345099
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** C3
- **FISCAL YEAR END:** 0630

**BUSINESS ADDRESS:**
- **STREET 1:** LEVEL 38
- **STREET 2:** 55 COLLINS STREET
- **CITY:** MELBOURNE, VICTORIA
- **STATE:** C3
- **ZIP:** 3000
- **BUSINESS PHONE:** 613 9639 6036

**MAIL ADDRESS:**
- **STREET 1:** LEVEL 38
- **STREET 2:** 55 COLLINS STREET
- **CITY:** MELBOURNE, VICTORIA
- **STATE:** C3
- **ZIP:** 3000

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>George Gregory<br><sub>(Last) (First) (Middle)</sub><br>LEVEL 38, 55 COLLINS STREET<br><sub>(Street)</sub><br>MELBOURNE, AUSTRALIA 33602<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-04-09 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>MESOBLAST LTD [ MESO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Ordinary Shares | 2026-04-04 |  | P |  | 4000000 | A | $1.42 | 12000000 | I | Held by James George, who has granted power of attorney to Dr. George. |
| Ordinary Shares | 2026-04-09 |  | P |  | 886890 | A | $1.43 | 12886890 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 500000 | A | $14.39 | 13491890 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 500000 | A | $14.39 | 13491890 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 10000 | A | $14.40 | 13501890 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 4760 | A | $14.40 | 13506650 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 20000 | A | $14.30 | 13526650 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 10000 | A | $14.30 | 13536650 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 5240 | A | $14.25 | 13541890 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 10000 | A | $14.25 | 13551890 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 5000 | A | $14.30 | 13556890 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 10000 | A | $14.30 | 13566890 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 10000 | A | $14.30 | 13576890 | I | As above. |
| Ordinary Shares<sup>(1)</sup> | 2026-04-09 |  | P |  | 10000 | A | $14.10 | 13586890 | I | As above. |
| Ordinary Shares | 2026-04-10 |  | P |  | 2324072 | A | $1.48 | 8324072 | I | Held by Grant George, who has granted power of attorney to Dr. George. |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Such Ordinary Shares are represented by American Depositary Shares. Each ADS represents a beneficial interest in 10 ordinary shares.

**Remarks:**
Prices are indicated using "A$" for Australian Dollars and "US$" for US Dollars.

**Signature:** /s/ Gregory George  
**Date:** 2026-04-09

### Remarks:

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.

**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.**