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.
Looking for the next update on NioCorp’s Elk Creek Project or trying to track when executives buy shares? This page brings every NioCorp Developments insider trading Form 4 transactions, quarterly earnings report 10-Q filing, and 8-K material events explained into one streamlined view. Investors typically start with the 10-K to gauge mineral reserve revisions, then move to Form 4s to see if management is accumulating stock ahead of financing milestones. We’ve mapped that journey so you can move from question to answer quickly.
Each document is paired with Stock Titan’s AI-powered summaries, so understanding NioCorp Developments SEC documents with AI feels as clear as reading a brief memo. Need the latest NioCorp Developments Form 4 insider transactions real-time? They appear within seconds of hitting EDGAR. Wonder how Elk Creek capex shifts quarter-over-quarter? Our platform highlights those line items in the NioCorp Developments earnings report filing analysis. You’ll also find drill-down links for the NioCorp Developments annual report 10-K simplified, the proxy statement executive compensation details, and every NioCorp Developments 8-K material events explained—all searchable by keyword or topic.
Why insist on this level of detail? Pre-revenue miners like NioCorp face shifting permitting timelines, capital-raise structures, and off-take negotiations that often appear first in an 8-K or S-3. Our AI flags those sections, notes changes in dilution risk, and cross-references them with NioCorp Developments executive stock transactions Form 4. Whether you’re screening for supply-chain exposure to critical metals or simply need NioCorp Developments SEC filings explained simply, the information—and the context—are here, updated in real time and ready to inform your next decision.
Ernest M. Cleave, Senior VP Business Development at NioCorp Developments Ltd. (NB), reported an award of employee stock options. The Form 4 shows a grant on 08/18/2025 of 100,000 employee stock options with an exercise price of $4.35. The filing notes 34% of the options vested on the grant date and the remainder vests in equal annual installments through August 18, 2027. The report lists 100,000 underlying common shares beneficially owned following the transaction and identifies the ownership as direct. The form was signed by an attorney-in-fact on behalf of the reporting person on 09/05/2025.
NioCorp Developments Ltd. (NB) Form 3 filed for Ernest M. Cleave reports he is a Senior Vice President, Director-level officer with an address in Centennial, CO. The event date triggering the filing is 08/15/2025. The filing explicitly states no securities are beneficially owned by the reporting person and includes Exhibit 24.1 (Power of Attorney). The form is signed by an attorney-in-fact on 09/05/2025.
Anthony W. Fulton, a director of NioCorp Developments Ltd. (NB), was granted 50,000 director stock options on 08/18/2025 with an exercise price of $4.35. The options cover 50,000 underlying common shares and are recorded as direct ownership for the reporting person. Per the filing, 34% of the options vested on the grant date and the remainder vests in equal installments on each anniversary of the grant date until August 18, 2027. The instrument lists a date exercisable/expiration reference of 08/19/2030 as shown in the table.
NioCorp Developments Ltd.: Form 3 — Initial Statement of Beneficial Ownership
Anthony W. Fulton, a director of NioCorp Developments Ltd. (ticker: NB), reported beneficial ownership following an 08/09/2025 event. He directly holds 178,457 common shares and indirectly holds shares through family: 747 (spouse), 114 (son), 28 (minor child), and 4 (minor child). He also holds common share purchase warrants exercisable between 04/16/2023 and 03/17/2028: 42,531 underlying common shares (direct) and indirect warrants of 12,252 (spouse), 2 (son), 7 and 67 (minor children). Each warrant is exercisable for 1.11829212 common shares at an exercise price of $11.50 per 1.11829212 shares (approximately $10.284 per common share). The form was signed by attorney-in-fact Neal S. Shah on 09/02/2025.
James T. Sims, Chief Communications Officer of NioCorp Developments Ltd. (NB), was granted 250,000 employee stock options on 08/18/2025 with an exercise price of $4.35. The filing shows 34% of the options vested on the grant date and the remainder vests in equal annual installments through August 18, 2027. The transaction is reported as an acquisition of derivative securities and the reporting person is identified as a director and officer. The options are listed as exercisable into 250,000 common shares and are held directly by Mr. Sims.
Neal S. Shah, Chief Financial Officer of NioCorp Developments Ltd. (NB), exercised employee stock options to acquire 250,000 common shares on 08/18/2025 at an exercise price of $4.35 per share. The filing shows the options are direct holdings and 250,000 shares are beneficially owned following the transaction. The grant’s vesting schedule states 34% vested on the grant date and the remainder vests in equal installments on each anniversary through August 18, 2027. The Form 4 was signed by Mr. Shah on 08/20/2025.
NioCorp Developments Ltd. director Oliver Peter Robert reported acquiring 60,000 common shares via stock options exercisable at $4.35 per share. The transaction date is 08/18/2025 and the Form 4 was signed 08/20/2025. The filing shows this was an acquisition through a Director Stock Option (right to buy) with 60,000 underlying common shares and a $0 reported cash price for the shares following exercise. The option grant vests 34% on the grant date with the balance vesting in equal annual installments through 08/18/2027. The filing indicates direct ownership following the transaction and was submitted by an attorney-in-fact on behalf of the reporting person.
Insider option grant disclosed for NioCorp Developments Ltd. (NB). Director Dean C. Kehler was granted 50,000 director stock options on 08/18/2025 with an exercise price of $4.35 per share. The filing reports 34% of the options vested on the grant date and the remainder vests in equal installments on each anniversary of the grant date through August 18, 2027. Following the grant, Mr. Kehler beneficially owns 50,000 options directly. The form is signed by an attorney-in-fact on behalf of the reporting person on 08/20/2025.
Scott Honan, Chief Operating Officer of NioCorp Developments Ltd. (NB), received an award of 250,000 employee stock options on 08/18/2025 with an exercise price of $4.35 per share. The option grant was reported on Form 4 filed 08/20/2025 and is held directly by Honan.
Thirty-four percent of the options vested on the grant date and the remainder vests in equal annual installments through August 18, 2027. Each option converts into one common share; the options are exercisable beginning 08/19/2030 and expire on that date per the reporting table. The filing is a routine disclosure of insider option compensation and does not disclose cash payments or changes to share ownership beyond the 250,000 options granted.
NioCorp Developments Ltd. director Nilsa Guerrero-Mahon was granted a director stock option on 08/18/2025 to purchase 55,000 common shares at an exercise price of $4.35 per share. The filing states 34% of the options vested on the grant date and the remainder vests in equal installments on each anniversary of the grant date until August 18, 2027. The option term appears to expire in 2030 and is reported as directly owned by the reporting person. The Form 4 was signed by an attorney-in-fact on 08/20/2025.
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