ioneer (IONR) SVP Matthew Weaver gains 391,277 shares via performance award

Rhea-AI Filing Summary

ioneer Ltd senior vice president of engineering operations Matthew Weaver reported a compensation-related share award. On July 1, 2026, he acquired 391,277 Ordinary Shares at no cash cost, following the conversion of 391,277 performance units into the right to receive the same number of shares. After this award, he directly holds 11,551,004 Ordinary Shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Weaver Matthew

Role SVP of Engineering Operations

Type	Security	Shares	Price	Value
Grant/Award	Ordinary Shares	391,277	$0.00	--

Holdings After Transaction: Ordinary Shares — 11,551,004 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares acquired: 391,277 shares Price per share: $0.0000 per share Total holdings after: 11,551,004 shares +1 more

4 metrics

Shares acquired 391,277 shares Ordinary Shares granted on July 1, 2026

Price per share $0.0000 per share Stated transaction price for granted shares

Total holdings after 11,551,004 shares Direct Ordinary Share ownership following transaction

Performance units converted 391,277 units Performance units converted into right to receive shares on July 1, 2026

Key Terms

performance units, Grant, award, or other acquisition, Ordinary Shares

3 terms

performance units financial

"This amount includes 391,277 ordinary shares underlying performance units held by the Reporting Person."

Performance units are company awards that become valuable only if specified business targets are met; they typically convert into shares or cash when performance goals are achieved. Think of them like a conditional bonus that turns into stock only if the company hits agreed milestones, so they align managers’ incentives with shareholders’ interests and can affect future share count, executive pay expense, and investor returns.

Grant, award, or other acquisition financial

"transaction_code_description": "Grant, award, or other acquisition""

Ordinary Shares financial

"This amount includes 391,277 ordinary shares underlying performance units held by the Reporting Person."

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.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/06/2026 - 08:54 PM Accepted by SEC EDGAR 07/06/2026 - 08:53 PM Learn about SEC filing dates

FAQ

What insider transaction did ioneer (IONR) report for Matthew Weaver?

ioneer reported that SVP of Engineering Operations Matthew Weaver acquired 391,277 Ordinary Shares. The shares came from a grant related to performance units, not an open-market purchase, and increased his direct holdings to 11,551,004 Ordinary Shares.

How many ioneer (IONR) shares did Matthew Weaver acquire in this Form 4?

Matthew Weaver acquired 391,277 Ordinary Shares. These shares were issued at a stated price of $0.0000 per share as part of a grant tied to performance units rather than a traditional cash purchase on the market.

What triggered the new ioneer (IONR) shares reported for Matthew Weaver?

The new shares came from performance units converting into share rights. On July 1, 2026, 391,277 performance units were converted into the right to receive 391,277 Ordinary Shares, which are now included in Weaver’s reported direct ownership.

Is Matthew Weaver’s ioneer (IONR) Form 4 transaction a market trade?

The transaction is not a market trade. It is classified as a grant, award, or other acquisition under code A, reflecting compensation-related share issuance from performance units rather than buying or selling shares on the open market.

What is Matthew Weaver’s total ioneer (IONR) shareholding after this Form 4?

After the reported transaction, Matthew Weaver directly owns 11,551,004 Ordinary Shares. This figure includes the 391,277 shares underlying performance units that converted into the right to receive the same number of Ordinary Shares on July 1, 2026.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Weaver Matthew

(Last) (First) (Middle)

C/O IONEER LTD

9460 DOUBLE R. BLVD, SUITE 200

(Street)

RENO NEVADA 85921

(City) (State) (Zip)

UNITED STATES

(Country)

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

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP of Engineering Operations

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Ordinary Shares(1)	07/01/2026		A		391,277	A	(1)	11,551,004	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This amount includes 391,277 ordinary shares underlying performance units held by the Reporting Person. On July 1, 2026, 391,277 performance units were converted into the right to receive 391,277 ordinary shares.

Remarks:

Exhibit 24.1 - Power of Attorney

	/s/ April Hashimoto as Attorney-in-Fact for Matthew M. Weaver	07/06/2026
	** 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 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.
* Form 4: SEC 1474 (03-26)