Nilsa Guerrero-Mahon

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About Nilsa Guerrero-Mahon

Nilsa Guerrero-Mahon was last confirmed as Board Member at Niocorp Developments Ltd (NB) in a filing dated December 8, 2023. Niocorp Developments Ltd reported in an 8-K filed April 6, 2026 that Nilsa Guerrero-Mahon was appointed Director, effective April 6, 2026.

“Nilsa Guerrero-Mahon | 20,556,963 | 8,398,816 | 27,817,821”

Niocorp Developments Ltd Form 8-K, filed April 6, 2026 · Read the filing

Summary generated from SEC filings and earnings-call records held by Equibles.

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Affiliation history

Recorded current and former roles; source labels appear when available.

Niocorp Developments Ltd (NB)
Board Member

Proxy statement

Start not stated–2023-12-08

Last confirmed by a filing; no departure on record

Company network

Recorded roles and call appearances connecting this person to public companies.

Niocorp Developments Ltd

Board Member

Recent activity

Earnings-call and investor-event appearances, plus filed executive appointments or departures, newest first.

Executive change Appointed: Director Niocorp Developments Ltd (NB)
2026-04-06