Skip to contentGuerrero-Mahon Nilsa — NIOCORP DEVELOPMENTS LTD insider: 17 transactions · InsiderLensInsider trading activity of Guerrero-Mahon Nilsa
- Transactions on record
- 17
- since Nov 13, 2017
- Open-market buys
- 0
- Open-market sells
- 0
- Companies traded
- 1
- last filing Aug 20, 2025
Figures computed from official regulatory filings — methodology.
Companies where Guerrero-Mahon Nilsa has traded
Track record of Guerrero-Mahon Nilsa
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Guerrero-Mahon Nilsa
Co-insiders of Guerrero-Mahon Nilsa
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Kehler Dean CNIOCORP DEVELOPMENTS LTD
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Aug 20, 2025 | AwardD | 55,000 | 0.00 USD | $0 | SEC |
| Dec 23, 2024 | AwardD | 75,000 | 0.00 USD | $0 | SEC |
| Feb 15, 2024 | AwardD | 75,000 | 0.00 USD | $0 | SEC |
| Mar 28, 2023 | AwardD | 45,000 | 0.00 USD | $0 | SEC |
| Nov 29, 2022 | Exercise | 300,000 | 0.40 USD | $120K | SEC |
| Nov 29, 2022 | ExerciseD | -500,000 | 0.00 USD | $0 | SEC |
| Nov 29, 2022 | ExerciseD | -300,000 | 0.00 USD | $0 | SEC |
| Nov 29, 2022 | Exercise | 500,000 | 0.35 USD | $175K | SEC |
| Nov 29, 2022 | Other | -138,462 | 0.87 USD | $120.5K | SEC |
| Nov 29, 2022 | Other | -200,855 | 0.87 USD | $174.7K | SEC |
| Dec 17, 2021 | AwardD | 300,000 | 0.00 USD | $0 | SEC |
| Oct 20, 2020 | AwardD | 300,000 | 0.00 USD | $0 | SEC |
| Sep 21, 2020 | AwardD | -30,000 | 0.00 USD | $0 | SEC |
| Sep 21, 2020 | AwardD | 300,000 | 0.00 USD | $0 | SEC |
| Sep 21, 2020 | Exercise | 30,000 | 0.47 USD | $14.1K | SEC |
| Dec 6, 2018 | AwardD | 300,000 | 0.00 USD | $0 | SEC |
| Nov 13, 2017 | AwardD | 500,000 | 0.00 USD | $0 | SEC |