Company: FEAV
Filing Date: 2025-10-17
Form Type: PRE 14A
Source: 0001193125-25-242489
Chunk: 0

Company: 5E Advanced Materials, Inc.
Filing Date: 2025-10-17
Form: PRE 14A
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE14A

(RULE 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934</div>

Filed by the Registrant ☒

Filed by a Party other than the Registrant☐

Check the appropriate box:

☒Preliminary Proxy Statement

☐Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐Definitive Proxy Statement

☐Definitive Additional Materials

☐Soliciting Material Pursuant to §240.14a-12

<div align='center'>5E ADVANCED MATERIALS, INC.

(Name of Registrant as Specified In Its Charter)

N/A

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</div>

Payment of Filing Fee (Check all boxes that apply):

☒No fee required

☐Fee paid previously with preliminary materials

☐Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

<div align='center'>NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

To be held on December 8, 2025</div>

NOTICE IS HEREBY GIVENthat the 2025 Annual Meeting of Stockholders (the “Annual Meeting”) of 5E Advanced Materials, Inc., a Delaware corporation (the “Company”), will be held on December 8, 2025, at 10:00 a.m. Pacific time (being 5:00 a.m. AEDT on December 9, 2025). To increase access for all of our stockholders, the Annual Meeting will be online and a completely virtual meeting of stockholders. You may attend, vote, and submit questions during the Annual Meeting via the live webcast on the Internet at meetnow.global/M2PAGMQ. You will not be able to attend the Annual Meeting in person, nor will there be any physical location.

Only stockholders of record at the close of business on October 14, 2025, are entitled to notice of, and to vote at, the Annual Meeting and any postponement or adjournment thereof