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Neil O'Brien

Chief Geologist

Chief Geologist of Sterling Metals Corp., appointed October 2025 after serving as Technical Advisor since January 2023 and being instrumental in guiding the company's copper discovery at the Soo Copper Project. From 2004 until his retirement in 2018 was Senior Vice President of Exploration and New Business Development at Lundin Mining Corporation, one of the longest-serving members of the executive team that built Lundin into a leading international base-metal producer, bringing four decades of global experience across six continents in mineral exploration, project development and corporate growth. Also a Non-executive Director of NGEx Minerals Ltd. -- the issuer his SEC Form 3/4/5 insider filings are made against. Holds a Ph.D. in Geological Sciences from Queen's University.

1W–0L(100% success)thin sample
Corporate Milestone
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Career History

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Disclosed Insider Activity

Buy/sell transactions this person has filed as a disclosed insider or owner, from SEC (Form 3/4/5) filings via EODHD. Coverage is limited to US-listed companies, so this is a record of what's been disclosed there -- not necessarily their complete trading history. Where reported, the holding after each trade is shown.

NGEx Minerals Ltd.NGEX
Oct 24, 2025 · SEC filing
380,900 sh held after
Sold
125,000 sh @ $25.26