ioneer VP Coon reports initial share holdings

ioneer Ltd executive Kenneth D. Coon, Vice President of Human Resources, has filed an initial ownership report showing substantial direct equity holdings.

Rhea-AI Filing Summary

ioneer Ltd executive Kenneth D. Coon, Vice President of Human Resources, has filed an initial ownership report showing substantial direct equity holdings. He directly owns 3,438,962 ordinary shares, including 185,642 shares in units vesting on July 1, 2026, 431,950 shares vesting on July 1, 2027, and 787,141 shares vesting on January 1, 2029. He also has exposure through 44,451 American Depositary Shares, each convertible into 40 ordinary shares, representing 1,778,040 ordinary shares, with no expiration date.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Coon Kenneth D

Role Vice President Human Resources

Type	Security	Shares	Price	Value
holding	American Depositary Shares	--	--	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: American Depositary Shares — 1,778,040 contracts (Direct); Ordinary Shares — 3,438,962 shares (Direct)

Footnotes (3)

1. F1. Includes 185,642 Ordinary Shares underlying time-based units ("Units") that vest on July 1, 2026, 431,950 Ordinary Shares underlying Units that vest on July 1, 2027 and 787,141 Ordinary Shares underlying Units that vest on January 1, 2029.
2. F2. 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.
3. F3. Represented by 44,451 American Depositary Shares.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Kenneth D. Coon’s Form 3 filing for ioneer (IONR) show?

The Form 3 shows Kenneth D. Coon’s initial ownership in ioneer Ltd, including 3,438,962 ordinary shares and exposure via American Depositary Shares. It establishes his baseline equity position as Vice President of Human Resources.

How many ordinary shares of ioneer (IONR) does Kenneth D. Coon hold?

Kenneth D. Coon directly holds 3,438,962 ordinary shares of ioneer Ltd. This total includes both currently owned shares and shares underlying time-based units scheduled to vest over several future dates.

What time-based units are included in Kenneth D. Coon’s ioneer (IONR) holdings?

His holdings include 185,642 ordinary shares underlying units vesting on July 1, 2026, 431,950 vesting on July 1, 2027, and 787,141 vesting on January 1, 2029. These units represent future share deliveries if vesting conditions are met.

How many American Depositary Shares tied to ioneer (IONR) does Kenneth D. Coon have?

Kenneth D. Coon is reported as holding 44,451 American Depositary Shares. Each American Depositary Share is convertible into 40 ordinary shares of ioneer Ltd, together representing 1,778,040 ordinary shares with no expiration date.

What is the conversion ratio for ioneer (IONR) American Depositary Shares in this filing?

Each American Depositary Share is convertible at any time, at the holder’s election, into 40 ordinary shares of ioneer Ltd. The filing notes that these American Depositary Shares have no expiration date attached to this conversion right.

Does Kenneth D. Coon’s Form 3 for ioneer (IONR) indicate recent insider buying or selling?

The Form 3 functions as an initial ownership report and lists holding entries rather than buy or sell transactions. It details Kenneth D. Coon’s existing positions in ordinary shares and American Depositary Shares without recording open-market purchases or sales.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/19/2026 - 04:15 PM EDT Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Coon Kenneth D

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Vice President Human Resources

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	3,438,962(1)	D

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	(2)	(2)	Ordinary Shares	1,778,040(3)	(2)	D

Explanation of Responses:

1. Includes 185,642 Ordinary Shares underlying time-based units ("Units") that vest on July 1, 2026, 431,950 Ordinary Shares underlying Units that vest on July 1, 2027 and 787,141 Ordinary Shares underlying Units that vest on January 1, 2029.

2. 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.

3. Represented by 44,451 American Depositary Shares.

	/s/ Kenneth D Coon	03/19/2026
	** 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)