Every Form 4 that NioCorp Developments Ltd. (NB) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow NB and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full NB filings page.
NioCorp Developments Ltd reported that President & CEO Mark A. Smith received an award of 293,160 employee stock options to buy common shares at an exercise price of $4.74 per share. The options expire on July 6, 2031 and represent direct ownership.
According to the vesting terms, 34% of these options vested on the grant date, 33% will vest on the first anniversary of the grant date, and the remaining balance will vest on the second anniversary, on July 6, 2028. This is a compensation-related grant, not an open-market transaction.
NIOCORP DEVELOPMENTS LTD reported that Chief Communications Officer James T. Sims received a grant of employee stock options covering 97,720 common shares. The options have an exercise price of $4.74 per share and expire on July 6, 2031. According to the vesting terms, 34% of the options vested on the grant date, 33% will vest on the first anniversary of the grant date, and the remaining balance will vest on the second anniversary on July 6, 2028. This is a compensation-related award rather than an open-market purchase or sale.
NioCorp Developments Ltd reported that Chief Operating Officer Scott Honan received a grant of 162,866 employee stock options on July 6, 2026. The options have an exercise price of $4.74 per share and expire on July 6, 2031, with vesting spread over three years.
According to the vesting terms, 34% of the options vested immediately on the grant date, 33% will vest on the first anniversary, and the remaining balance will vest on the second anniversary on July 6, 2028. Following this grant, Honan holds 162,866 derivative securities related to common shares.
NioCorp Developments Ltd reported that Senior VP Business Development Ernest M. Cleave received a grant of 97,720 employee stock options to buy common shares at an exercise price of $4.74 per share. According to the vesting schedule, 34% vested on the grant date, 33% will vest on the first anniversary, and the remaining balance will vest on July 6, 2028. These options expire on July 6, 2031 and represent compensation rather than an open-market stock purchase or sale.
NioCorp Developments Ltd reported that Chief Financial Officer Neal S. Shah received a grant of employee stock options. The award covers 114,007 options to buy common shares at an exercise price of $4.74 per share, all held directly.
According to the vesting schedule, 34% of the options vested on the July 6, 2026 grant date, 33% will vest on the first anniversary, and the remaining balance will vest on the second anniversary on July 6, 2028. Following this grant, Shah holds 114,007 derivative securities of this option series, with an expiration date of July 6, 2031.
Niocorp Developments Ltd. disclosed that its President and CEO, Mark A. Smith, who also serves as a director, acquired 46,801 common shares on December 15, 2025 at $3.54 per share through the exercise of a common share purchase warrant. After this transaction, he directly owns 2,318,819 common shares of the company.
Niocorp Developments Ltd. reported an insider share transaction by its Chief Financial Officer, Neal S. Shah. On 12/15/2025, he exercised common share purchase warrants with an exercise price of $3.54 to acquire 9,361 common shares. After this transaction, he directly owned 75,032 common shares. The warrants, which were exercisable since 12/22/2023 and scheduled to expire on 12/22/2025, were fully exercised, leaving no derivative securities beneficially owned.
NioCorp Developments Ltd. reported an insider transaction by a director involving the exercise of warrants for common shares. On 12/15/2025, the director exercised a Common Share Purchase Warrant covering 78,003 common shares at an exercise price of $3.54 per share, coded as an exercise transaction. Following this transaction, the director beneficially owned 212,583 common shares, held directly. The exercised warrant had been exercisable since 12/22/2023 and was scheduled to expire on 12/22/2025, and the derivative position was reduced to zero after the exercise.