Nilsa Guerrero-Mahon Receives Stock Award at Niocorp Developments Ltd (NIOBF) — SEC Form 4, Dec 17, 2021
SEC Form 4 · No Market Transaction
Stock Award
Compensation grant — no market purchase or sale.
Filing Lag
0 business days
within 2-day SEC deadline
Form 4 · Statement of Changes in Beneficial Ownership
Reporting Owner
| Name | Relationship |
|---|---|
| Nilsa Guerrero-Mahon CIK 0001718789 |
Director
|
Nilsa Guerrero-Mahon at Niocorp Developments Ltd
Full insider history
Bought (12 mo)
—
Sold (12 mo)
—
More from this insider at Niocorp Developments Ltd
| 2025-08-20 | Award | — | View |
| 2024-12-23 | Award | — | View |
| 2024-02-15 | Award | — | View |
| 2023-03-28 | Award | — | View |
| 2022-11-29 | Exercise | — | View |
Derivative Securities Transactions
| Title | Strike | Date | Type | Shares | Price | Expiration | Underlying | Ownership |
|---|---|---|---|---|---|---|---|---|
| Director Stock Option (Right to Buy)F1 | $1.06 | 2021-12-17 | A - Award/Grant | 300,000 A | $0.00 | 2024-12-17 | 300,000 Common Shares | Direct |
Footnotes (1)
- F1
- Option exercise price reflected was converted from Canadian exercise price of C$1.36 using an exchange rate of C$1.2782=US$1.00 as reported by the Bank of Canada on December 16, 2021. Show more
Related filings at Niocorp Developments Ltd
Institutional Holders
13F holders · Jun 30, 2026
211
institutional managers reporting a position
Largest by reported value
- Black Rock, Inc. $44.4M
- Brevan Howard Capital Management Lp $34.1M
- State Street Corporation $12M
5%+ Holders · 13D/G
2 filers
-
Black Rock, Inc. 6.2%
-
Citadel Advisors Llc 4.3%
Other insiders at Niocorp Developments Ltd
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