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 |
|---|---|---|---|
| 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 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 27, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 8, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 21, 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 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 25, 2025 | — |
| 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 |
| 4 | Insider transaction | Nov 13, 2024 | Nov 13, 2024 |
| 4 | Insider transaction | Nov 13, 2024 | Nov 13, 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 |
| 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 |
| SC 13G | Ownership over 5% (passive) | Dec 18, 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 |
| 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 |
| 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 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 25, 2023 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 25, 2023 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 25, 2023 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 25, 2023 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 25, 2023 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 25, 2023 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 25, 2023 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 25, 2023 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 25, 2023 |
| 4 | Insider transaction | Mar 28, 2023 | Mar 25, 2023 |
| 4 | Insider transaction | Mar 21, 2023 | Mar 17, 2023 |
| 3 | Initial insider ownership | Mar 21, 2023 | Mar 17, 2023 |
| 3 | Initial insider ownership | Mar 21, 2023 | Mar 17, 2023 |
| 4 | Insider transaction | Nov 29, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Nov 29, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Nov 29, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Nov 29, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Nov 29, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Nov 29, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Nov 29, 2022 | Nov 28, 2022 |
| 4 | Insider transaction | Jun 1, 2022 | May 30, 2022 |
| 3 | Initial insider ownership | May 26, 2022 | May 25, 2022 |
| 4/A | Filing | Apr 22, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 25, 2022 | Mar 25, 2022 |
| 4 | Insider transaction | Mar 8, 2022 | Mar 7, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Mar 3, 2022 | Mar 1, 2022 |
| 4 | Insider transaction | Dec 17, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 17, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 17, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 17, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 17, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 17, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 17, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 17, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 17, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Sep 17, 2021 | Sep 16, 2021 |
| 4 | Insider transaction | Mar 12, 2021 | Mar 10, 2021 |
| 4 | Insider transaction | Mar 12, 2021 | Sep 18, 2020 |
| 4 | Insider transaction | Mar 12, 2021 | Mar 10, 2021 |
| 4 | Insider transaction | Mar 12, 2021 | Mar 10, 2021 |
| 4 | Insider transaction | Mar 12, 2021 | Mar 10, 2021 |
| 4 | Insider transaction | Mar 12, 2021 | Mar 10, 2021 |
| 4 | Insider transaction | Mar 12, 2021 | Mar 10, 2021 |
| 4 | Insider transaction | Dec 18, 2020 | Dec 16, 2020 |
| 4 | Insider transaction | Dec 15, 2020 | Dec 14, 2020 |
| 4 | Insider transaction | Dec 15, 2020 | Dec 14, 2020 |
| 4 | Insider transaction | Dec 15, 2020 | Dec 14, 2020 |
| 4 | Insider transaction | Dec 15, 2020 | Dec 14, 2020 |
| 4 | Insider transaction | Dec 15, 2020 | Dec 14, 2020 |
| 3 | Initial insider ownership | Dec 15, 2020 | Dec 11, 2020 |
| 4 | Insider transaction | Dec 4, 2020 | Dec 4, 2020 |
| 4/A | Filing | Oct 20, 2020 | Sep 18, 2020 |
| 4/A | Filing | Oct 20, 2020 | Sep 18, 2020 |
| 4/A | Filing | Oct 20, 2020 | Sep 18, 2020 |
| 4/A | Filing | Oct 20, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Sep 22, 2020 | Sep 21, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 21, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Sep 21, 2020 | Sep 18, 2020 |
| 4 | Insider transaction | Jun 17, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Jun 17, 2020 | Jun 17, 2020 |
| 4 | Insider transaction | Feb 24, 2020 | Feb 24, 2020 |
| 4 | Insider transaction | Nov 26, 2019 | Nov 25, 2019 |
| 4 | Insider transaction | Nov 22, 2019 | Nov 22, 2019 |
| 4 | Insider transaction | Dec 18, 2018 | Dec 17, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Nov 15, 2018 |
| 4 | Insider transaction | Nov 13, 2017 | Nov 9, 2017 |
| 4 | Insider transaction | Nov 13, 2017 | Nov 9, 2017 |
| 4 | Insider transaction | Nov 13, 2017 | Nov 9, 2017 |
| 4 | Insider transaction | Nov 13, 2017 | Nov 9, 2017 |
| 4 | Insider transaction | Nov 13, 2017 | Nov 9, 2017 |
| 4 | Insider transaction | Nov 13, 2017 | Nov 9, 2017 |
| 4 | Insider transaction | Nov 13, 2017 | Nov 9, 2017 |
| 4 | Insider transaction | Nov 13, 2017 | Nov 9, 2017 |
| 4 | Insider transaction | Nov 13, 2017 | Nov 9, 2017 |
| 4 | Insider transaction | Nov 13, 2017 | Nov 9, 2017 |
| 3 | Initial insider ownership | Oct 4, 2017 | Sep 28, 2017 |
| 3/A | 3 | Aug 23, 2017 | Oct 28, 2016 |
| 4 | Insider transaction | Mar 8, 2017 | Mar 6, 2017 |
| 4 | Insider transaction | Mar 8, 2017 | Mar 6, 2017 |
| 4 | Insider transaction | Mar 8, 2017 | Mar 6, 2017 |
| 4 | Insider transaction | Mar 8, 2017 | Mar 6, 2017 |
| 4 | Insider transaction | Mar 8, 2017 | Mar 6, 2017 |
| 4 | Insider transaction | Mar 8, 2017 | Mar 6, 2017 |
| 4 | Insider transaction | Mar 8, 2017 | Mar 6, 2017 |
| 4 | Insider transaction | Mar 8, 2017 | Mar 6, 2017 |
| 4 | Insider transaction | Mar 8, 2017 | Mar 6, 2017 |
| 4 | Insider transaction | Feb 15, 2017 | Feb 14, 2017 |
| SC 13G | Ownership over 5% (passive) | Jan 30, 2017 | — |
| 3/A | Form 3/a | Dec 2, 2016 | Oct 28, 2016 |
| 3/A | Form 3/a | Dec 2, 2016 | Oct 28, 2016 |
| 4 | Insider transaction | Nov 8, 2016 | Oct 31, 2016 |
| 3/A | Form 3/a | Nov 8, 2016 | Oct 28, 2016 |
| 3 | Initial insider ownership | Nov 2, 2016 | Oct 28, 2016 |
| 3 | Initial insider ownership | Oct 28, 2016 | Oct 28, 2016 |
| 3 | Initial insider ownership | Oct 28, 2016 | Oct 28, 2016 |
| 3 | Initial insider ownership | Oct 28, 2016 | Oct 28, 2016 |
| 3 | Initial insider ownership | Oct 28, 2016 | Oct 28, 2016 |
| 3 | Initial insider ownership | Oct 28, 2016 | Oct 28, 2016 |
| 3 | Initial insider ownership | Oct 28, 2016 | Oct 28, 2016 |
| 3 | Initial insider ownership | Oct 28, 2016 | Oct 28, 2016 |
| 3 | Initial insider ownership | Oct 28, 2016 | Oct 28, 2016 |
| 3 | Initial insider ownership | Oct 28, 2016 | Oct 28, 2016 |
Showing 193 filings. 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.