Mark A. Smith
President & CEO at NioCorp Developments Ltd.
Sits on 1 board. Last updated September 27, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: NioCorp Developments Ltd., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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NioCorp Developments Ltd. April 6, 202695.8%
-
NioCorp Developments Ltd. March 20, 202594.0%
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NioCorp Developments Ltd. January 19, 202494.0%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Dec 15, 2025 | NioCorp Developments Ltd. | In-the-money exercise | +46,801 | $3.54 | $165,676 |
| Nov 13, 2024 | NioCorp Developments Ltd. | Open-market purchase | +183,422 | — | — |
| Dec 22, 2023 | NioCorp Developments Ltd. | Open-market purchase | +46,801 | — | — |
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