IsoEnergy (ISOU) files Form 6-K with Dorado U₃O₈ drill results release

Rhea-AI Filing Summary

IsoEnergy Ltd. submitted a Form 6-K as a foreign private issuer, mainly to furnish a news release as an exhibit. The filing lists Exhibit 99.1, described as a news release dated September 18, 2025 titled “ISOENERGY AND PUREPOINT INTERSECT UP TO 8.1% U₃O₈ AT DORADO PROJECT.” This indicates the company is reporting exploration results at its Dorado project in cooperation with Purepoint. The Form 6-K itself contains no additional financial or operational details beyond attaching this news release.

Form 6-K: How Foreign Companies Report to the SEC →

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2025

Commission File Number 001-42611

ISOENERGY LTD.

(Exact name of Registrant as specified in its charter)

N/A

(Translation of Registrant’s name into English)

217 Queen Street West, Suite 303

Toronto, Ontario

M5V 0R2

Tel: 1-833-572-2333

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F  ☐            Form 40-F  ☒

EXHIBIT INDEX

Exhibit Number	Description
99.1	News Release dated September 18, 2025 - ISOENERGY AND PUREPOINT INTERSECT UP TO 8.1% U₃O₈ AT DORADO PROJECT

SIGNATURES

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

				ISOENERGY LTD.
Date: September 18, 2025				By:		/s/ Graham du Preez
						Name: Graham du Preez
						Title: Chief Financial Officer

FAQ

What did IsoEnergy Ltd. (ISOU) file in this Form 6-K?

IsoEnergy Ltd. filed a Form 6-K as a foreign private issuer to provide a news release as an exhibit. The key exhibit is 99.1, a news release dated September 18, 2025 relating to exploration results at the Dorado project.

What is the subject of IsoEnergy (ISOU)’s Exhibit 99.1?

Exhibit 99.1 is a news release titled “ISOENERGY AND PUREPOINT INTERSECT UP TO 8.1% U₃O₈ AT DORADO PROJECT,” indicating that the disclosure concerns uranium exploration results at the Dorado project with partner Purepoint.

Does this IsoEnergy (ISOU) Form 6-K include financial results?

No, this Form 6-K does not present financial statements or earnings data. It primarily serves to furnish a single news release as an exhibit.

Who signed the IsoEnergy Ltd. (ISOU) Form 6-K?

The Form 6-K was signed on behalf of IsoEnergy Ltd. by Graham du Preez, who is identified as the company’s Chief Financial Officer.

When is the news release in IsoEnergy (ISOU)’s Exhibit 99.1 dated?

The news release attached as Exhibit 99.1 is dated September 18, 2025, matching the signature date on the Form 6-K.

What project is mentioned in IsoEnergy (ISOU)’s Form 6-K exhibit?

The exhibit title references the Dorado project, where IsoEnergy and Purepoint report intersecting up to 8.1% U₃O₈ according to the news release description.