Paul Wesley Weibel III - 15 Sep 2026 Form 4 Insider Report for 5E Advanced Materials, Inc. (FEAM)

Reporting relationship: Chief Executive Officer
Issuer ticker: FEAM
Reported as of: 15 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 Sep 2026, 17:34:32 UTC
Prior SEC filing: 03 Mar 2026
Next SEC filing: 09 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ Paul Weibel

Key filing fact

Paul Wesley Weibel III filed Form 4 for 5E Advanced Materials, Inc. (FEAM) on 15 Sep 2026.

Key facts

This page summarizes Paul Wesley Weibel III's Form 4 filing for 5E Advanced Materials, Inc. (FEAM).
6 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 15 Sep 2026, 17:34.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001911537 Primary reporting owner

Weibel Paul Wesley III

Relationship: Chief Executive Officer
Address: 9329 MARIPOSA ROAD, SUITE 210, HESPERIA
Signature: /s/ Paul Weibel
Signature date: 15 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FEAM transaction

Common Stock

Options Exercise

Transaction value
Shares: +4,322
Change %: +23%
Price
Shares after: 23,160
Date: 15 Sep 2026
Ownership: Direct
Footnotes: F1

FEAM transaction

Common Stock

Award

Transaction value
Shares: +795
Change %: +3.4%
Price
Shares after: 23,955
Date: 15 Sep 2026
Ownership: Direct
Footnotes: F2, F3

FEAM transaction

Common Stock

Tax liability

Transaction value
Shares: -1,839
Change %: -7.7%
Price: $1.26^*
Shares after: 22,116
Date: 15 Sep 2026
Ownership: Direct
Footnotes: F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

FEAM transaction Derivative

Restricted Share Unit

Options Exercise

Transaction value
Shares: -530
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 15 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 530
Exercise price
Footnotes: F1, F5

FEAM transaction Derivative

Restricted Share Unit

Options Exercise

Transaction value
Shares: -383
Change %: -50%
Price: $0.000000^*
Shares after: 383
Date: 15 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 383
Exercise price
Footnotes: F1, F6

FEAM transaction Derivative

Restricted Share Unit

Options Exercise

Transaction value
Shares: -3,409
Change %: -33%
Price: $0.000000^*
Shares after: 6,818
Date: 15 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,409
Exercise price
Footnotes: F1, F7

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote F1

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

Footnote F2

PSUs granted on September 15, 2023 pursuant to the Issuer's Amended and Restated 2022 Equity Compensation Plan (the "Plan"). Amount represents the vesting of PSUs. Pursuant to the determination of the Compensation Committee of the Board of Directors, the PSUs vested at 50% of the target number of shares based on achievement of the applicable performance criteria. The remaining unvested PSUs were forfeited.

Footnote F3

Each performance share unit ("PSU") represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock upon the achievement of certain service-based and performance-based conditions.

Footnote F4

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 and PSUs.

Footnote F5

RSUs granted on September 15, 2023 pursuant to the Issuer's Plan. One-third vested on each of the first, second and third anniversary of the grant date.

Footnote F6

RSUs granted on September 15, 2024 pursuant to the Issuer's Plan. Approximately one-third vested on each of the first, second and third anniversary of the grant date.

Footnote F7

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