Company: FEAV
Filing Date: 2025-08-25
Form Type: 424B5
Source: 0001888654-25-000019
Chunk: 54

Company: 5E Advanced Materials, Inc.
Filing Date: 2025-08-25
Form: 424B5
Chunk 54
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 may use Common Stock pledged by us or borrowed from us or others to settle those sales or to close out any related open borrowings of Common Stock, and may use Common Stock received from us in settlement of those derivatives to close out any related open borrowings of Common Stock. The third party in such sale transactions will be an underwriter and will be identified in the applicable prospectus supplement or a post-effective amendment to the registration statement of which this

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prospectus forms a part. In addition, we may otherwise loan or pledge Common Stock to a financial institution or other third party that in turn may sell the Common Stock short using this prospectus. Such financial institution or other third party may transfer its economic short position to investors in our Common Stock or in connection with a concurrent offering of Common Stock.

The underwriters, dealers and agents may engage in transactions with us, or perform services for us in the ordinary course of business.

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### LEGAL MATTERS
The validity of the Common Stock offered under this prospectus will be passed upon for us by Winston & Strawn LLP. Certain legal matters with respect to the validity of the Common Stock offered under this prospectus will be passed upon for any underwriters, dealers or agents by counsel named in the applicable prospectus supplement.

### EXPERTS
The consolidated financial statements as of June 30, 2022 and for the year then ended incorporated by reference in this Prospectus and in the Registration Statement have been so incorporated in reliance on the report of BDO USA, LLP (n/k/a BDO USA, P.C.), an independent registered public accounting firm, incorporated herein by reference, given on the authority of said firm as experts in auditing and accounting.

The financial statements as of June 30, 2023 and for the year ended June 30, 2023 incorporated in this Prospectus by reference to the Annual Report on Form 10-K for the year ended June 30, 2023 have been so incorporated in reliance on the report (which contains an explanatory paragraph relating to the Company’s ability to continue as a going concern as described in Note 1 to the financial statements) of PricewaterhouseCoopers LLP, an independent registered public accounting firm, given on the authority of said firm as experts in auditing and accounting.

### WHERE YOU CAN FIND MORE INFORMATION
This prospectus does not contain all of the information set forth in the registration statement and the exhibits and schedules thereto.