[Form 3] ioneer Ltd Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

ioneer Ltd director Benard Rowe filed an initial ownership report showing sizable direct and indirect stakes. He directly holds 20,289,111 Ordinary Shares and indirectly holds 36,690,902 Ordinary Shares through Mopti Pty Limited and Mopti Management Pty Limited. In addition, 400,000 American Depositary Shares, held indirectly via Mopti Pty Limited, are convertible into 16,000,000 underlying Ordinary Shares at any time, with no expiration date.

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^*

Rowe Benard

(Last) (First) (Middle)

C/O IONEER LTD

9460 DOUBLE R. BLVD, SUITE 200

(Street)

RENO 85921

(City) (State) (Zip)

(Country)

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

3. Issuer Name and Ticker or Trading Symbol
ioneer Ltd [ IONR ]

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)

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

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	20,289,111	D
Ordinary Shares	36,690,902	I	By Mopti Pty Limited(1)
Ordinary Shares	5,826,182	I	By Mopti Management Pty Limited(2)

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
American Depositary Shares	(3)	(3)	Ordinary Shares	16,000,000(4)	(3)	I	By Mopti Pty Limited(5)

Explanation of Responses:

1. The reported Ordinary Shares are held by Mopti Pty Limited, a private company of which the reporting person is the sole director.

2. The reported Ordinary Shares are held by Mopti Management Pty Limited, a private company of which the reporting person is the sole director.

3. Each American Depositary Share is convertible at any time, at the holder's election, into 40 ordinary shares of the issuer. The American Depositary Shares have no expiration date.

4. Represented by 400,000 American Depositary Shares.

5. The reported American Depositary Shares are held by Mopti Pty Limited, a private company of which the reporting person is the sole director.

	/s/ Benard Rowe	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.
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* Form 3: SEC 1473 (03-26)