Company: LEU
Filing Date: 2025-11-06
Form Type: S-3ASR
Source: 0001104659-25-107379
Chunk: 1

Company: CENTRUS ENERGY CORP
Filing Date: 2025-11-06
Form: S-3ASR
Chunk 1
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 Act registration statement number of the earlier effective registration statement for the same offering.¨

If this Form is a registration statement
pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission
pursuant to Rule 462(e) under the Securities Act, check the following box. x

If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box.¨

Indicate by check mark whether the registrant
is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company.
See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company”
and “emerging growth company” in Rule 12b-2 of the Securities Exchange Act of 1934:

| Large accelerated filer | ¨ | Accelerated filer         | x |
| Non-accelerated filer   | ¨ | Smaller reporting company | ¨ |
|                         |   | Emerging Growth Company   | ¨ |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of Securities Act. ¨

PROSPECTUS

<div align='center'>Centrus Energy Corp.

Common Stock

Preferred Stock

Debt Securities

Warrants

Rights

Units</div>

From time to time, we may offer and sell the securities described in this prospectus separately or together in any combination, in
one or more classes or series, in amounts, at prices and on terms that we will determine at the time of the offering.

This prospectus provides a
general description of the securities we may offer. We may provide specific terms of securities to be offered in one or more supplements
to this prospectus. We may also provide a specific plan of distribution for any securities to be offered in a prospectus supplement. Prospectus
supplements may also add, update or change information in this prospectus. You should carefully read this prospectus and the applicable
prospectus supplement, together with any documents incorporated by reference herein, before you invest in our securities.

Our common stock is listed on The