Guerrero-Mahon Nilsa has filed 4 insider transactions across 1 company since March 2023.
Most recent transaction: a grant/award of 55000 shares of NIOCORP DEVELOPMENTS LTD ($NB) on August 18, 2025.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug. 18, 2025 | NIOCORP DEVELOPMENTS LTD | $NB | Guerrero-Mahon Nilsa | Director | A | Director Stock Option (Right to Buy) | 55000 | $0.00 | 55,000.0000 | 0 | 9999.99% | 0.00% |
| Dec. 23, 2024 | NIOCORP DEVELOPMENTS LTD | $NB | Guerrero-Mahon Nilsa | Director | A | Director Stock Option (Right to Buy) | 75000 | $0.00 | 75,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 15, 2024 | NIOCORP DEVELOPMENTS LTD | $NB | Guerrero-Mahon Nilsa | Director | A | Director Stock Option (Right to Buy) | 75000 | $0.00 | 75,000.0000 | 0 | 9999.99% | 0.00% |
| March 25, 2023 | NIOCORP DEVELOPMENTS LTD | $NB | Guerrero-Mahon Nilsa | Director | A | Director Stock Option (Right to Buy) | 45000 | $0.00 | 45,000.0000 | 0 | 9999.99% | 0.00% |