Mark A. Smith - 15 Dec 2025 Form 4 Insider Report for NIOCORP DEVELOPMENTS LTD (NB)

Reporting relationship
President & CEO, Director
Issuer ticker
NB
Reported as of
15 Dec 2025
Net transaction value
+$165,676
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
15 Dec 2025, 16:19:59 UTC
Prior SEC filing
20 Aug 2025
Next SEC filing
16 Jul 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Mark A. Smith

Key filing fact

Mark A. Smith filed Form 4 for NIOCORP DEVELOPMENTS LTD (NB) on 15 Dec 2025.

Key facts

  • This page summarizes Mark A. Smith's Form 4 filing for NIOCORP DEVELOPMENTS LTD (NB).
  • 2 reported transactions and 1 derivative row are listed below.
  • Accepted by SEC: 15 Dec 2025, 16:19.

Change

  • Previous filing in this sequence was filed on 20 Aug 2025.
  • Current net transaction value: +$165,676.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001496772 Primary reporting owner

Smith Mark A.

Relationship
President & CEO, Director
Address
C/O NIOCORP DEVELOPMENTS LTD., 7000 YOSEMITE STREET, SUITE 115, CENTENNIAL
Signature
/s/ Mark A. Smith
Signature date
15 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NB transaction

Common Shares

Exercise of in-the-money or at-the-money derivative security

Transaction value
$165,676
Shares
+46,801
Change %
+2.1%
Price
$3.54
Shares after
2,318,819
Date
15 Dec 2025
Ownership
Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

NB transaction Derivative

Common Share Purchase Warrant (right to buy)

Exercise of in-the-money or at-the-money derivative security

Transaction value
$0
Shares
-46,801
Change %
-100%
Price
$0.000000
Shares after
0
Date
15 Dec 2025
Ownership
Direct
Underlying class
Common Shares
Underlying amount
46,801
Exercise price
$3.54
* marks a reported price that did not pass the local price check.
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