NioCorp (NB) furnishes preliminary results for Sept 30, 2025

NioCorp Developments Ltd. (NB) furnished an update with certain preliminary financial results for the three-month period ended September 30, 2025, via a press release attached as Exhibit 99.1.

Rhea-AI Filing Summary

NioCorp Developments Ltd. (NB) furnished an update with certain preliminary financial results for the three-month period ended September 30, 2025, via a press release attached as Exhibit 99.1.

The company stated this information is furnished under Item 2.02, is not deemed filed under the Exchange Act, is not subject to Section 18 liabilities, and is not incorporated by reference into Securities Act or Exchange Act filings.

Its securities trade on Nasdaq: Common Shares (NB) and Warrants (NIOBW), with each warrant exercisable for 1.11829212 Common Shares.

8-K Event Classification

3 items: 2.02, 7.01, 9.01

3 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

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

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did NioCorp (NB) disclose in this 8-K?

The company furnished a press release with certain preliminary financial results for the three-month period ended September 30, 2025, as Exhibit 99.1.

Is the preliminary results information considered filed?

No. It was furnished under Item 2.02, is not deemed filed, and is not subject to Section 18 liabilities or incorporated by reference.

Where can I find the detailed preliminary results for NB?

In the attached Exhibit 99.1 press release referenced in the 8-K.

What period do the preliminary results cover for NioCorp?

The three-month period ended September 30, 2025.

On which exchanges and symbols do NioCorp securities trade?

Common Shares (NB) on Nasdaq and Warrants (NIOBW) on Nasdaq.

What is the NioCorp warrant-to-share ratio (NIOBW)?

Each warrant is exercisable for 1.11829212 Common Shares.

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

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Accepted by SEC EDGAR 10/14/2025 - 07:19 AM 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 12, 2025

NioCorp Developments Ltd.

(Exact name of registrant as specified in its charter)

British Columbia, Canada
(State or other jurisdiction
of incorporation) 001-41655
(Commission File Number) 98-1262185
(IRS Employer
Identification No.)

7000 South Yosemite Street, Suite 115
Centennial, Colorado 80112
(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (720) 334-7066

(Former name or former address, if changed since last report)

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:

☐	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))

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares, without par value	NB	The Nasdaq Stock Market LLC
Warrants, each exercisable for 1.11829212 Common Shares	NIOBW	The Nasdaq Stock Market LLC

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

 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 2.02. Results of Operations and Financial Condition.

On October 12, 2025, NioCorp Developments Ltd. (the “Company”) announced a Company update relating to certain preliminary financial results for the three-month period ended September 30, 2025. This announcement was contained in a press release, a copy of which is attached as Exhibit 99.1 hereto. Such exhibit and the information set forth therein shall not be deemed to be filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise be subject to the liabilities of that section, nor shall it be deemed to be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act.

Item 7.01. Regulation FD Disclosure.

The information set forth in Item 2.02 of this Current Report on Form 8-K is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit	Description
99.1	Press Release, dated October 12, 2025
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

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.

	NIOCORP DEVELOPMENTS LTD.
DATE: October 14, 2025	By:	/s/ Neal S. Shah
		Neal S. Shah Chief Financial Officer