NioCorp Developments Ltd. (NB) has 12 known insider and institutional holders on record. The largest holder is Smith Mark A. with 375,000 shares. Other notable holders include Sims James T. and Honan Scott.
Over the last 12 months, insiders have made 16 transactions in NB stock — 11 buys (valued at $6.7M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
NB Insider Ownership
Top Holder
Smith Mark A.
375,000 shares
Buys (12 mo)
11
$6.7M value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Smith Mark A. |
President & CEO |
375,000 |
2025-08-20 |
|
| 2 |
Sims James T. |
Chief Communications Officer |
250,000 |
2025-08-20 |
|
| 3 |
Honan Scott |
Chief Operating Officer |
250,000 |
2025-08-20 |
|
| 4 |
Shah Neal S. |
Chief Financial Officer |
250,000 |
2025-08-20 |
|
| 5 |
Cleave Ernest M. |
Senior VP Business Development |
100,000 |
2025-09-05 |
|
| 6 |
Morris Michael James |
Director |
75,000 |
2024-12-23 |
|
| 7 |
Oliver Peter Robert |
Director |
60,000 |
2025-08-20 |
|
| 8 |
Guerrero-mahon Nilsa |
Director |
55,000 |
2025-08-20 |
|
| 9 |
Maselli Michael G. |
Director |
50,000 |
2025-08-20 |
|
| 10 |
Beling David Coates |
Director |
50,000 |
2025-08-20 |
|
| 11 |
Kehler Dean C |
Director |
50,000 |
2025-08-20 |
|
| 12 |
Fulton Anthony W |
Director |
4 |
2025-09-02 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2025-12-15 |
Shah Neal S. |
Chief Financial Officer |
Option Exercise (ITM) |
9,361 |
$3.54 |
$33.14K |
| 2025-12-15 |
Kehler Dean C |
Director |
Option Exercise (ITM) |
78,003 |
$3.54 |
$276.13K |
| 2025-08-18 |
Cleave Ernest M. |
Senior VP Business Development |
RSU Award |
100,000 |
$4.35 |
$435K |
| 2025-08-15 |
Cleave Ernest M. |
Officer |
Unknown |
- |
- |
- |
| 2025-08-18 |
Fulton Anthony W |
Director |
RSU Award |
50,000 |
$4.35 |
$217.5K |
| 2025-08-09 |
Fulton Anthony W |
Director |
Unknown |
- |
- |
- |
| 2023-04-16 |
Fulton Anthony W |
Director |
Unknown |
67 |
$10.28 |
$689.03 |
| 2025-08-18 |
Oliver Peter Robert |
Director |
RSU Award |
60,000 |
$4.35 |
$261K |
| 2025-08-18 |
Guerrero-mahon Nilsa |
Director |
RSU Award |
55,000 |
$4.35 |
$239.25K |
| 2025-08-18 |
Honan Scott |
Chief Operating Officer |
RSU Award |
250,000 |
$4.35 |
$1.09M |
| 2025-08-18 |
Sims James T. |
Chief Communications Officer |
RSU Award |
250,000 |
$4.35 |
$1.09M |
| 2025-08-18 |
Shah Neal S. |
Chief Financial Officer |
RSU Award |
250,000 |
$4.35 |
$1.09M |
| 2025-08-18 |
Maselli Michael G. |
Director |
RSU Award |
50,000 |
$4.35 |
$217.5K |
| 2025-08-18 |
Smith Mark A. |
President & CEO |
RSU Award |
375,000 |
$4.35 |
$1.63M |
| 2025-08-18 |
Beling David Coates |
Director |
RSU Award |
50,000 |
$4.35 |
$217.5K |
| 2025-08-18 |
Kehler Dean C |
Director |
RSU Award |
50,000 |
$4.35 |
$217.5K |
