Ur‑Energy files S‑3 supplement for 2023 warrant share issuance

Ur-Energy Inc. filed a prospectus supplement to its Form S-3 on October 20, 2025 to register the issuance of common shares upon the exercise of certain warrants issued in 2023.

Rhea-AI Filing Summary

Ur-Energy Inc. filed a prospectus supplement to its Form S-3 on October 20, 2025 to register the issuance of common shares upon the exercise of certain warrants issued in 2023. The company stated that no new warrants were issued in connection with this filing.

A legal opinion from Fasken Martineau DuMoulin LLP regarding the Warrant Shares was filed as Exhibit 5.1, with the related consent included within that exhibit. This action establishes registered status for shares that may be issued if warrant holders choose to exercise under the previously issued 2023 warrants.

8-K Event Classification

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, or exhibit attachments filed with this report.

FAQ

What did URG announce in its 8-K filing?

Ur-Energy filed a prospectus supplement to its Form S-3 to register the issuance of common shares upon exercise of certain 2023 warrants.

Did Ur-Energy (URG) issue any new warrants with this action?

No. The company stated that no new warrants were issued in connection with the prospectus supplement.

What securities are covered by Ur-Energy’s filing?

The filing registers common shares issuable upon the exercise of certain warrants issued in 2023, referred to as the Warrant Shares.

Which exhibits were included with URG’s filing?

Exhibit 5.1 is the legal opinion of Fasken Martineau DuMoulin LLP, and the related consent is included within Exhibit 5.1. Exhibit 104 is the cover page Inline XBRL data file.

When was the action taken by Ur-Energy (URG)?

The company filed the prospectus supplement on October 20, 2025.

What exchanges list Ur-Energy’s common stock?

Ur-Energy’s common stock trades as URG on NYSE American and as URE on the TSX.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/20/2025 - 05:25 PM Learn about SEC filing dates

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

Current Report

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 20, 2025

UR-ENERGY INC.

(Exact name of registrant as specified in its charter)

Canada		001-33905		Not applicable
(State or other jurisdiction of incorporation or organization)		(Commission File Number)		(I.R.S. Employer Identification Number)

10758 W Centennial Road, Suite 200
Littleton, Colorado		80127
(Address of principal executive offices)		(Zip code)

Registrant’s telephone number, including area code: (720) 981-4588

Securities registered pursuant to Section 12(b) of the Act:

Title of each class:		Trading Symbol		Name of each exchange on which registered:
Common stock		URG (NYSE American); URE (TSX)		NYSE American; TSX

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

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 13(a) of the Exchange Act.  ¨

Item 8.01 Other Events.

On October 20, 2025, Ur-Energy Inc. (the “Company”) filed a prospectus supplement to its registration statement on Form S-3 (File No. 333-272992) to register the issuance of shares of the Company’s common shares upon the exercise of certain warrants issued in 2023 (the “Warrant Shares”). No new warrants were issued by the Company in connection with the filing of the prospectus supplement. The legal opinion of Fasken Martineau DuMoulin LLP relating to the issuance of the Warrant Shares is filed as Exhibit 5.1 to this Current Report on Form 8-K.

Item 9.01 Financial Statements and Exhibits.

(d)       Exhibits

Exhibit No.		Description
5.1		Opinion of Fasken Martineau DuMoulin LLP.
23.1		Consent of Fasken Martineau DuMoulin LLP (included in Exhibit 5.1).
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: October 20, 2025

	Ur-Energy Inc.
	By:	/s/ Penne A. Goplerud
		Name: Penne A. Goplerud
		Title: Corporate Secretary and General Counsel