Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-12-23 Option Award |
2024-12-23 4:32 pm |
2024-12-23 2029-12-21 |
NIOCORP DEVELOPMENTS LTD | NB | Guerrero-Mahon Nilsa Director |
75,000 | $0 | 75,000 (Direct) |
View |
2024-02-15 Option Award |
2024-02-15 5:00 pm |
2024-02-15 2029-02-15 |
NIOCORP DEVELOPMENTS LTD | NB | Guerrero-Mahon Nilsa Director |
75,000 | $0 | 75,000 (Direct) |
View |
Ownership |
2023-08-11 5:52 pm |
N/A N/A |
NIOCORP DEVELOPMENTS LTD | NB | Guerrero-Mahon Nilsa Director |
0 | $0 | 151,068 (Direct) |
View |
2023-03-25 Option Award |
2023-03-28 5:21 pm |
2023-03-27 2026-03-27 |
NIOCORP DEVELOPMENTS LTD | NB | Guerrero-Mahon Nilsa Director |
45,000 | $0 | 45,000 (Direct) |
View |
2022-11-28 Exercise |
2022-11-29 5:24 pm |
N/A N/A |
NIOCORP DEVELOPMENTS LTD | NIOBF | Guerrero-Mahon Nilsa Director |
500,000 | $0.3513 | 460,682 (Direct) |
View |
2022-11-28 Exercise |
2022-11-29 5:24 pm |
N/A N/A |
NIOCORP DEVELOPMENTS LTD | NIOBF | Guerrero-Mahon Nilsa Director |
300,000 | $0.4037 | 460,682 (Direct) |
View |
2022-11-28 Tax Withholding |
2022-11-29 5:24 pm |
N/A N/A |
NIOCORP DEVELOPMENTS LTD | NIOBF | Guerrero-Mahon Nilsa Director |
339,317 | $0.8746 | 460,682 (Direct) |
View |
2022-11-28 Exercise |
2022-11-29 5:24 pm |
N/A 2022-11-30 |
NIOCORP DEVELOPMENTS LTD | NIOBF | Guerrero-Mahon Nilsa Director |
800,000 | $0 | 460,682 (Direct) |
View |
2021-12-17 Option Award |
2021-12-17 4:17 pm |
2021-12-17 2024-12-17 |
NIOCORP DEVELOPMENTS LTD | NIOBF | Guerrero-Mahon Nilsa Director |
300,000 | $0 | 300,000 (Direct) |
View |
2020-09-18 Option Award(A) |
2020-10-20 5:01 pm |
2020-09-18 2023-09-18 |
NIOCORP DEVELOPMENTS LTD | NIOBF | Guerrero-Mahon Nilsa Director |
300,000 | $0 | 300,000 (Direct) |
View |
2020-09-18 Option Award |
2020-09-21 9:15 pm |
2020-09-18 2023-09-18 |
NIOCORP DEVELOPMENTS LTD | NIOBF | Guerrero-Mahon Nilsa Director |
300,000 | $0 | 300,000 (Direct) |
View |
2020-09-18 Option Award |
2020-09-21 5:40 pm |
2020-09-18 2023-09-18 |
NIOCORP DEVELOPMENTS LTD | NIOBF | Guerrero-Mahon Nilsa Director |
30,000 | $0 | 430,000 (Direct) |
View |
2020-09-18 Exercise |
2020-09-21 5:40 pm |
N/A N/A |
NIOCORP DEVELOPMENTS LTD | NIOBF | Guerrero-Mahon Nilsa Director |
30,000 | $0.4697 | 430,000 (Direct) |
View |