Company: FEAV
Filing Date: 2025-08-25
Form Type: 424B5
Source: 0001888654-25-000019
Chunk: 31

Company: 5E Advanced Materials, Inc.
Filing Date: 2025-08-25
Form: 424B5
Chunk 31
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 4, 2024 , December 10, 2024 , January 14, 2025 , January 21, 2025 , January 24, 2025 , February 12, 2025 , February 18, 2025 , March 4, 2025 , March 5, 2025 , March 13, 2025 , August 7, 2025 and August 19, 2025 (excluding any information furnished pursuant to Item 2.02 or Item 7.01 of any such Current Report on Form 8-K), respectively.

The description of our common stock contained in the registration statement on Form 10-12B, filed with the SEC on February 10, 2022 , and any amendment or report filed with the SEC for the purpose of updating the description.

We are also incorporating by reference additional documents that we may file with the SEC under Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act (excluding any information furnished pursuant to Item 2.02 or Item 7.01 on any current report on Form 8-K and any corresponding information furnished under Item 9.01 or included as an exhibit) after the date of this prospectus supplement and prior to the completion of this offering contemplated hereby, but excluding any information furnished to, rather than filed with, the SEC.

You may request a free copy of any of the documents incorporated by reference in this prospectus supplement by writing or telephoning us at the following address:

<div align='center'>5E Advanced Materials, Inc.

9329 Mariposa Road, Suite 210

Hesperia, CA 92344

(442) 221-0225</div>

Exhibits to the filings will not be sent, however, unless those exhibits have specifically been incorporated by reference in those documents.

<div align='center'>S-22</div>

PROSPECTUS

<div align='center'>$50,000,000

Common Stock

__________________________</div>

5E Advanced Materials, Inc. (the “Company”) may offer and sell from time to time, in one or more offerings, shares of the Company’s common stock, par value $0.01 per share (the “Common Stock”).

We may sell Common Stock in one or more offerings in amounts, at prices and on terms to be determined at the time of the applicable offering. The aggregate initial offering price of all Common Stock