5E Advanced CFO RSUs vest; shares withheld

FEAM’s CFO settled a portion of his RSUs into common stock, with some shares withheld for taxes and remaining RSUs continuing to vest over future years.

Rhea-AI Filing Summary

5E Advanced Materials, Inc. (FEAM) reported that its Chief Financial Officer, Joshua Malm, settled a tranche of restricted share units on September 15, 2026. 4,261 RSUs converted into the same number of common shares, and 1,225 shares were withheld to satisfy tax obligations. After this vesting, Malm holds 8,523 RSUs directly. No transactions were reported under a Rule 10b5-1 trading plan.

Insider Trade Summary

4,261 shares exercised/converted

Exercise 3 txns

Insider Malm Joshua

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Share Unit F1, F3	4,261	$0.00	$0.00
Exercise	Common Stock F1	4,261	--	--
Tax Withholding	Common Stock F2	1,225	$1.26	$2K

Holdings After Transaction: Restricted Share Unit — 8,523 contracts (Direct); Common Stock — 8,211 shares (Direct)

Footnotes (3)

1. F1. Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.
2. F2. Represents the number of shares of common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the vesting of RSUs.
3. F3. RSUs granted on March 1, 2026 pursuant to the Issuer's Plan. Approximately one-third vest on each of September 15 of 2026, 2027 and 2028.

Key Figures

RSUs converted: 4,261 units Common shares acquired: 4,261 shares Shares withheld for taxes: 1,225 shares +3 more

6 metrics

RSUs converted 4,261 units RSUs exercised and converted into common stock on September 15, 2026

Common shares acquired 4,261 shares Shares of FEAM common stock received upon RSU vesting on September 15, 2026

Shares withheld for taxes 1,225 shares Common shares withheld to satisfy tax withholding obligation

Tax withholding reference price $1.26 per share Price used for shares withheld to cover tax liability

RSUs held after transaction 8,523 units Direct RSU holdings following the September 15, 2026 vesting

RSU grant date March 1, 2026 Grant date of RSUs vesting in thirds in 2026, 2027 and 2028

Key Terms

Restricted Share Unit, tax withholding obligation, Rule 10b5-1

3 terms

Restricted Share Unit financial

"Each restricted share unit ("RSU") represents a contingent right to receive one share"

A restricted share unit (RSU) is a promise by a company to give an employee a set number of company shares at a future date, typically after meeting time or performance conditions. For investors, RSUs matter because when they convert into actual shares they increase the number of shares outstanding (like unlocking more tickets in a game), which can dilute existing holders, and they align employee incentives with company performance, influencing behavior and long-term value.

tax withholding obligation financial

"shares of common stock withheld by the Issuer to cover the reporting person's tax withholding obligation"

Rule 10b5-1 regulatory

"No Rule 10b5-1 plan is reported for these transactions"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

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

What insider transaction did FEAM’s CFO report on September 15, 2026?

On September 15, 2026, FEAM’s CFO Joshua Malm reported the vesting and conversion of 4,261 restricted share units into 4,261 common shares, representing a scheduled equity compensation event.

How many FEAM shares were withheld for taxes in this Form 4?

The Form 4 states that 1,225 shares of FEAM common stock were withheld by the issuer to cover Joshua Malm’s tax withholding obligation upon RSU vesting, at a reference price of $1.26 per share.

How many FEAM RSUs does the CFO hold after this transaction?

After the September 15, 2026 vesting, Joshua Malm directly holds 8,523 restricted share units, each representing a contingent right to receive one share of FEAM common stock, according to the Form 4 disclosure.

Were the FEAM insider transactions under a Rule 10b5-1 trading plan?

No. The Form 4 indicates that the Rule 10b5-1 checkbox is not affirmatively marked, and there is no footnote stating that the transactions were made pursuant to a trading plan.

What is the vesting schedule for the FEAM RSUs reported in this filing?

The RSUs were granted on March 1, 2026 under the company’s plan. The footnote states that approximately one-third vest on each of September 15 of 2026, 2027 and 2028.

Does this FEAM Form 4 indicate an open-market sale by the CFO?

No. The transactions reflect RSU vesting and conversion plus shares withheld for taxes. The filing does not report any open-market purchase or sale of FEAM shares by the CFO.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/15/2026 - 05:35 PM Accepted by SEC EDGAR 09/15/2026 - 05:34 PM Learn about SEC filing dates

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^*

Malm Joshua

(Last) (First) (Middle)

9329 MARIPOSA ROAD

SUITE 210

(Street)

HESPERIA CALIFORNIA 92344

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
5E Advanced Materials, Inc. [ FEAM ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

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
Common Stock	09/15/2026		M		4,261	A	(1)	9,436	D
Common Stock	09/15/2026		F		1,225(2)	D	$1.26	8,211	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
Restricted Share Unit	(1)	09/15/2026		M			4,261	(3)	(3)	Common Stock	4,261	$0.00	8,523	D

Explanation of Responses:

1. Each restricted share unit ("RSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock.

2. Represents the number of shares of common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the vesting of RSUs.

3. RSUs granted on March 1, 2026 pursuant to the Issuer's Plan. Approximately one-third vest on each of September 15 of 2026, 2027 and 2028.

Remarks:

	/s/ Joshua Malm	09/15/2026
	** 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)