Welcome to our dedicated page for Niocorp Developm SEC filings (Ticker: NB), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The NioCorp Developments Ltd. (NASDAQ: NB) SEC filings page provides direct access to the company’s U.S. regulatory disclosures, along with AI‑supported tools to help interpret complex documents. As a development‑stage critical minerals company incorporated in British Columbia, NioCorp files reports with the U.S. Securities and Exchange Commission related to its Elk Creek Critical Minerals Project, capital markets activity, and corporate governance.
Here you can review current reports on Form 8‑K that describe material events such as placement agency agreements for registered offerings of common shares and pre‑funded warrants, land acquisitions in Johnson County, Nebraska for the Elk Creek Project, government funding arrangements, and corporate actions. For example, NioCorp has filed 8‑K reports detailing its Project Sub‑Agreement with Advanced Technology International under the authority of the U.S. Department of Defense, the adoption of a limited‑duration shareholder rights plan, and multiple equity financings conducted under Form S‑3 shelf registration statements.
Annual reports on Form 10‑K and quarterly reports on Form 10‑Q (when available) typically contain more extensive information on NioCorp’s status as a development stage company, its critical minerals resource at Elk Creek, risk factors, and management’s discussion and analysis. These filings are particularly relevant for understanding how the company describes its niobium, scandium, titanium, and rare earth element focus, as well as its financing needs and project milestones.
Stock Titan’s platform enhances these documents with AI‑powered summaries that highlight key points from lengthy filings, helping users quickly identify items such as new financing agreements, government support arrangements, land transactions, and changes affecting shareholders’ rights. Real‑time updates from EDGAR ensure that new NioCorp filings, including Forms 8‑K, 10‑K, 10‑Q, and registration statements, appear promptly. Dedicated views for insider and related security information, such as warrant terms disclosed in filings, allow investors to examine how securities like NIOBW warrants relate to NB common shares.
Use this page to explore NioCorp’s regulatory history, track how the company documents progress at the Elk Creek Project, and compare narrative disclosures across multiple reporting periods. The combination of raw filings and AI‑generated insights is designed to make it easier to interpret the legal and financial language that shapes the NB investment profile.
Insider option grant reported for NioCorp Developments Ltd. (NB). Director Michael G. Maselli was granted a non-qualified stock option to purchase 50,000 common shares at an exercise price of $4.35 with an exercise/expiration schedule through August 19, 2030. The filing states 34% of the options vested on the grant date and the remainder vests in equal annual installments until August 18, 2027. The transaction date is 08/18/2025 and the Form 4 was signed by an attorney-in-fact on 08/20/2025. The options are held directly by the reporting person and no cash proceeds were reported for underlying shares at the time of the filing.
NioCorp Developments Ltd. reported that its Board of Directors appointed Tony Fulton to fill an existing vacancy on the board effective August 9, 2025. He will serve an initial term that runs until the company’s 2025 Annual General Meeting of Shareholders, at which point shareholders would typically vote on board membership.
Fulton will also serve on the Board’s Nominating and Corporate Governance Committee and its Audit Committee, giving him roles in overseeing director nominations, governance practices, and financial reporting oversight. As a non-employee director, he will receive compensation on the same basis as the company’s other non-employee directors, consistent with the pay program described in NioCorp’s definitive proxy statement filed on February 3, 2025.
On 4 Aug 2025, NioCorp Developments Ltd. (Nasdaq: NB) filed an 8-K reporting that its 92%-owned subsidiary, Elk Creek Resources Corp. (ECRC), executed a Project Sub-Agreement with Advanced Technology International on behalf of the U.S. Department of Defense (DoD). The Sub-Agreement incorporates a 23 Jul 2025 Base Agreement and supports ongoing work at the Elk Creek Critical Minerals Project in Nebraska.
The DoD will reimburse ECRC for up to ≈US$10 million of eligible costs, payable after specific milestones are reached:
- completion of new drilling operations
- completion of engineering studies for scandium metal, scandium master-alloy and aluminum-scandium master-alloy
- delivery of an updated feasibility study
No equity issuance, debt financing, or earnings data accompanies this filing; the disclosure is limited to Item 1.01 (Material Definitive Agreement).
On 1 Aug 2025, NioCorp Developments Ltd. (ticker NB) filed an 8-K announcing that its wholly owned subsidiary, Elk Creek Resources Corp. (ECRC), closed on the purchase of three land parcels in Johnson County, Nebraska under option agreements signed in 2009 and 2014 with Roger and Nancy Woltemath. The acquisition delivers surface rights to the Woltemath80S parcel and both surface and mineral rights to approximately 1.66 acres of the Woltemath002 parcel.
The aggregate purchase price was about US$2.7 million. At closing the company reduced cash (current assets) by the same amount and capitalized the cost as “land” within non-current assets, producing a neutral impact on total assets. No additional financial metrics, debt financing, or forward-looking statements were disclosed.
The filing reports no other material events or changes to previously reported guidance.
On 1 Aug 2025, NioCorp Developments Ltd. (ticker NB) filed an 8-K announcing that its wholly owned subsidiary, Elk Creek Resources Corp. (ECRC), closed on the purchase of three land parcels in Johnson County, Nebraska under option agreements signed in 2009 and 2014 with Roger and Nancy Woltemath. The acquisition delivers surface rights to the Woltemath80S parcel and both surface and mineral rights to approximately 1.66 acres of the Woltemath002 parcel.
The aggregate purchase price was about US$2.7 million. At closing the company reduced cash (current assets) by the same amount and capitalized the cost as “land” within non-current assets, producing a neutral impact on total assets. No additional financial metrics, debt financing, or forward-looking statements were disclosed.
The filing reports no other material events or changes to previously reported guidance.
Citadel entities and founder Kenneth Griffin have crossed the 5 % ownership threshold in NioCorp Developments Ltd. (NB) and therefore filed this Schedule 13G.
The filing discloses aggregated beneficial ownership of 3,903,395 common shares, equal to ≈5.4 % of the 72.65 million shares outstanding as cited in NioCorp’s 18 Jul 2025 prospectus. Within this total, Citadel Advisors LLC, Citadel Advisors Holdings LP and Citadel GP LLC jointly report 3,772,972 shares (5.2 %), while Citadel Securities controls 130,423 shares (0.2 %). All voting and dispositive powers are shared; no party reports sole power.
The position is reported under Rule 13d-1(b), signalling a passive investment. Certification language states the shares were “not acquired … to change or influence control.” The stake includes 69 shares issuable upon warrant conversion.
This is Citadel’s first publicly reported ownership above the 5 % threshold in NB, potentially indicating incremental institutional interest, but the filing provides no operational or financial commentary.