Niocorp Developments Ltd SEC filings NB
Niocorp Developments Ltd has 606 filings in SEC EDGAR's recent list, going back to Feb 8, 2011. Its latest annual report, Form 10-K, was filed on Sep 25, 2026 for the period ended Jun 30, 2026. The latest quarterly report (Form 10-Q) was filed on May 14, 2026, covering the quarter ended Mar 31, 2026. The most recent current report (Form 8-K) was filed on Oct 16, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on June 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 16, 2026 | Oct 16, 2026 |
| 8-K |
Current report
Material agreement, Agreement ended
|
Oct 16, 2026 | Oct 13, 2026 |
| 10-K | Annual report | Sep 25, 2026 | Jun 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 29, 2026 | — |
| 4 | Insider transaction | Jul 8, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 8, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 8, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 8, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 8, 2026 | Jul 6, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 8, 2026 | Jul 2, 2026 |
| 10-Q | Quarterly report | May 14, 2026 | Mar 31, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 27, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 8, 2026 | — |
| 8-A12B/A | Filing | Apr 6, 2026 | — |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Officer or director change, Shareholder vote results
|
Apr 6, 2026 | Apr 6, 2026 |
| DEFA14A | Additional proxy material | Feb 25, 2026 | — |
| ARS | Annual report to shareholders | Feb 25, 2026 | Jun 30, 2025 |
| DEF 14A | Proxy statement | Feb 25, 2026 | Apr 6, 2026 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Feb 25, 2026 | Feb 24, 2026 |
| 424B2 | Prospectus | Feb 25, 2026 | — |
| 424B2 | Prospectus | Feb 24, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| PRE 14A | Preliminary proxy statement | Feb 10, 2026 | Apr 6, 2026 |
| 10-Q | Quarterly report | Feb 6, 2026 | Dec 31, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 21, 2026 | — |
| 8-K |
Current report
Other events
|
Jan 20, 2026 | Jan 20, 2026 |
| 424B7 | Filing | Jan 20, 2026 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 12, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 15, 2025 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Regulation FD disclosure
|
Dec 4, 2025 | Dec 4, 2025 |
| 8-A12B | Filing | Nov 21, 2025 | — |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Regulation FD disclosure
|
Nov 21, 2025 | Nov 21, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 10-Q | Quarterly report | Nov 13, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Oct 15, 2025 | Oct 13, 2025 |
| 424B2 | Prospectus | Oct 14, 2025 | — |
| 424B5 | Prospectus supplement | Oct 14, 2025 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 14, 2025 | Oct 12, 2025 |
| S-3ASR | Automatic shelf registration | Oct 10, 2025 | — |
| 8-K |
Current report
Acquisition or sale of assets
|
Oct 6, 2025 | Sep 30, 2025 |
| S-8 | Employee stock plan registration | Oct 1, 2025 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Sep 29, 2025 | Sep 26, 2025 |
| 424B3 | Prospectus | Sep 29, 2025 | — |
| 424B3 | Prospectus | Sep 26, 2025 | — |
| 8-K |
Current report
Other events
|
Sep 19, 2025 | Sep 19, 2025 |
| 424B3 | Prospectus | Sep 18, 2025 | — |
| 10-K | Annual report | Sep 11, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Sep 5, 2025 | Aug 18, 2025 |
| 3 | Initial insider ownership | Sep 5, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Sep 2, 2025 | Aug 18, 2025 |
| 3 | Initial insider ownership | Sep 2, 2025 | Aug 9, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 4 | Insider transaction | Aug 20, 2025 | Aug 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Aug 12, 2025 | Aug 9, 2025 |
| 8-K |
Current report
Material agreement
|
Aug 6, 2025 | Aug 4, 2025 |
| 8-K |
Current report
Acquisition or sale of assets
|
Aug 4, 2025 | Aug 1, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 25, 2025 | — |
| 8-K |
Current report
Listing notice
|
Jul 23, 2025 | Jul 22, 2025 |
| 8-K |
Current report
Other events
|
Jul 18, 2025 | Jul 18, 2025 |
| 424B3 | Prospectus | Jul 18, 2025 | — |
| 424B3 | Prospectus | Jul 17, 2025 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 16, 2025 | Jul 11, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 21, 2025 | May 21, 2025 |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Apr 21, 2025 | Apr 17, 2025 |
| 424B3 | Prospectus | Apr 18, 2025 | — |
| 424B3 | Prospectus | Apr 16, 2025 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 11, 2025 | Apr 11, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Mar 20, 2025 | Mar 20, 2025 |
| EFFECT | Filing | Mar 4, 2025 | — |
| 424B3 | Prospectus | Mar 4, 2025 | — |
| CORRESP | Letter to the SEC | Feb 28, 2025 | — |
| UPLOAD | Letter from the SEC | Feb 27, 2025 | — |
| S-1 | Registration statement | Feb 19, 2025 | — |
| 8-K |
Current report
Other events
|
Feb 19, 2025 | Feb 14, 2025 |
| 10-Q | Quarterly report | Feb 7, 2025 | Dec 31, 2024 |
| ARS | Annual report to shareholders | Feb 3, 2025 | Jun 30, 2024 |
| DEFA14A | Additional proxy material | Feb 3, 2025 | — |
| DEF 14A | Proxy statement | Feb 3, 2025 | Mar 20, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Jan 31, 2025 | Jan 29, 2025 |
| 424B3 | Prospectus | Jan 31, 2025 | — |
| 8-K |
Current report
Other events
|
Jan 13, 2025 | Jan 13, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 10, 2025 | Jan 10, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 6, 2025 | Jan 3, 2025 |
| 8-K |
Current report
Other events
|
Dec 30, 2024 | Dec 27, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 23, 2024 |
| 4 | Insider transaction | Dec 23, 2024 | Nov 13, 2024 |
| D | Filing | Nov 14, 2024 | — |
| 4 | Insider transaction | Nov 13, 2024 | Nov 13, 2024 |
| 4 | Insider transaction | Nov 13, 2024 | Nov 13, 2024 |
| 10-Q | Quarterly report | Nov 13, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 8, 2024 | Nov 8, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure, Other events
|
Nov 5, 2024 | Nov 5, 2024 |
| 424B3 | Prospectus | Nov 5, 2024 | — |
| 424B3 | Prospectus | Nov 1, 2024 | — |
| 8-K |
Current report
Material agreement, New debt
|
Oct 3, 2024 | Oct 3, 2024 |
| 10-K | Annual report | Sep 23, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 11, 2024 | Sep 11, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 4, 2024 | Sep 4, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 27, 2024 | Aug 26, 2024 |
| D | Filing | Jul 2, 2024 | — |
| EFFECT | Filing | Jun 27, 2024 | — |
| CORRESP | Letter to the SEC | Jun 25, 2024 | — |
| UPLOAD | Letter from the SEC | Jun 24, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Jun 24, 2024 | Jun 24, 2024 |
| S-3 | Shelf registration | Jun 13, 2024 | — |
| EFFECT | Filing | May 31, 2024 | — |
| 424B3 | Prospectus | May 31, 2024 | — |
| CORRESP | Letter to the SEC | May 28, 2024 | — |
| UPLOAD | Letter from the SEC | May 28, 2024 | — |
| S-1 | Registration statement | May 15, 2024 | — |
| 8-K |
Current report
Material agreement
|
May 3, 2024 | May 3, 2024 |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Other events
|
Apr 17, 2024 | Apr 17, 2024 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale, Other events
|
Apr 12, 2024 | Apr 11, 2024 |
| 8-K |
Current report
Other events
|
Mar 14, 2024 | Mar 14, 2024 |
| 8-K |
Current report
Other events
|
Mar 12, 2024 | Mar 12, 2024 |
| 8-K |
Current report
Other events
|
Mar 7, 2024 | Mar 7, 2024 |
| 8-K |
Current report
Other events
|
Mar 5, 2024 | Mar 5, 2024 |
| 8-K |
Current report
Other events
|
Feb 28, 2024 | Feb 28, 2024 |
| 4/A | Filing | Feb 20, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 16, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 4 | Insider transaction | Feb 15, 2024 | Feb 15, 2024 |
| 10-Q | Quarterly report | Feb 13, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jan 22, 2024 | Jan 19, 2024 |
| SC 13D | Ownership over 5% (active) | Jan 17, 2024 | — |
| 4 | Insider transaction | Dec 22, 2023 | Dec 22, 2023 |
| 4 | Insider transaction | Dec 22, 2023 | Dec 22, 2023 |
| 4 | Insider transaction | Dec 22, 2023 | Dec 22, 2023 |
| D | Filing | Dec 21, 2023 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Dec 20, 2023 | Dec 14, 2023 |
| SC 13G | Ownership over 5% (passive) | Dec 18, 2023 | — |
| 8-K |
Current report
Other events
|
Dec 14, 2023 | Dec 14, 2023 |
| ARS | Annual report to shareholders | Dec 8, 2023 | Jun 30, 2023 |
| DEFA14A | Additional proxy material | Dec 8, 2023 | — |
| DEF 14A | Proxy statement | Dec 8, 2023 | Jan 19, 2024 |
| 8-K |
Current report
Auditor change
|
Dec 7, 2023 | Dec 4, 2023 |
| 8-K/A |
Amended current report
Auditor change
|
Dec 7, 2023 | Oct 9, 2023 |
| 8-K |
Current report
Other events
|
Dec 1, 2023 | Dec 1, 2023 |
| 8-K |
Current report
Other events
|
Nov 28, 2023 | Nov 28, 2023 |
| 8-K |
Current report
Other events
|
Nov 27, 2023 | Nov 21, 2023 |
| 4 | Insider transaction | Nov 17, 2023 | Nov 15, 2023 |
| 4 | Insider transaction | Nov 17, 2023 | Nov 15, 2023 |
| 4 | Insider transaction | Nov 17, 2023 | Nov 15, 2023 |
| 4 | Insider transaction | Nov 17, 2023 | Nov 15, 2023 |
| 10-Q | Quarterly report | Nov 13, 2023 | Sep 30, 2023 |
| EFFECT | Filing | Oct 30, 2023 | — |
| EFFECT | Filing | Oct 30, 2023 | — |
| 424B3 | Prospectus | Oct 30, 2023 | — |
| 424B3 | Prospectus | Oct 30, 2023 | — |
| CORRESP | Letter to the SEC | Oct 13, 2023 | — |
| POS AM | Filing | Oct 13, 2023 | — |
| CORRESP | Letter to the SEC | Oct 13, 2023 | — |
| POS AM | Filing | Oct 13, 2023 | — |
| 8-K |
Current report
Auditor change
|
Oct 13, 2023 | Oct 9, 2023 |
| 10-K | Annual report | Oct 6, 2023 | Jun 30, 2023 |
| NT 10-K | Filing | Sep 29, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Other events
|
Sep 18, 2023 | Sep 18, 2023 |
| 8-K |
Current report
Other events
|
Sep 13, 2023 | Sep 13, 2023 |
| 8-K |
Current report
Other events
|
Sep 12, 2023 | Sep 12, 2023 |
| UPLOAD | Letter from the SEC | Sep 7, 2023 | — |
| UPLOAD | Letter from the SEC | Sep 7, 2023 | — |
| 8-K |
Current report
Other events
|
Sep 7, 2023 | Sep 7, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Sep 6, 2023 | Sep 6, 2023 |
| D | Filing | Sep 5, 2023 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Sep 1, 2023 | Sep 1, 2023 |
| POS AM | Filing | Aug 23, 2023 | — |
| POS AM | Filing | Aug 23, 2023 | — |
| 5 | Annual insider ownership | Aug 11, 2023 | Aug 11, 2023 |
| 5 | Annual insider ownership | Aug 11, 2023 | Aug 11, 2023 |
| 5 | Annual insider ownership | Aug 11, 2023 | Aug 11, 2023 |
| 5 | Annual insider ownership | Aug 11, 2023 | Aug 11, 2023 |
| 5 | Annual insider ownership | Aug 11, 2023 | Aug 11, 2023 |
| 5 | Annual insider ownership | Aug 11, 2023 | Aug 11, 2023 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Metal Mining (SIC 1000)
- Listed as
- NB (Nasdaq), NIOBW (Nasdaq)
- Fiscal year ends
- June 30
- Incorporated in
- British Columbia, Canada
- Headquarters
- Centennial, CO
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1512228
- Former names
- QUANTUM RARE EARTH DEVELOPMENTS CORP. (until Feb 8, 2011)
Other Metal Mining companies
- BHP Group Ltd BHP
- Rio Tinto Ltd RTNTF
- Southern Copper CORP/ SCCO
- Rio Tinto PLC RIO
- Freeport-Mcmoran Inc FCX
- Vale S.A. VALE
- Hudbay Minerals Inc. HBM
- Cleveland-Cliffs Inc. CLF
Source: SEC EDGAR filings. This is company-reported data, not investment advice.