Mark Chalmers $UUUU SEC Form 4 Insider Trading

Mark Chalmers has filed a total of 3 insider trades in $UUUU since 2021. Their most recent trade was a sale of 150,000 shares, made on Nov 19, 2025. Their largest trade was a sale of 150,000 shares, made on Nov 19, 2025. We estimate that they now own 909,321 shares of $UUUU, worth an estimated $10.7 million.

Insider Trading at $UUUU

There have been a total of 103 insider trades reported at $UUUU since 2021, with 190,297 shares purchased and 1.9 million shares sold. The most active insider traders in $UUUU stock have been Curtis Moore, Daniel Kapostasy, and Timothy James Carstens. The most recent trade was a purchase of 74,000 shares reported by Ross R. Bhappu (President and CEO), made on Jul 07, 2026.

$UUUU Executives and Stock Owners with Insider Trades

• Curtis Moore, Senior VP Marketing and

• Daniel Kapostasy, VP Technical Services

• Timothy James Carstens, EVP, Heavy Minerals Sands Ops

• Daniel Kapostasy, VP, Technical Services

• Debra Bennethum, VP Critical Minerals &

• Dee Ann Nazarenus, VP Human Resources and

• Kevin Martin Balloch, SVP, Project Finance

• Curtis Moore, Senior VP, Marketing &

• Mark Chalmers, President & CEO

• Nathan Reed Bennett, CAO / Interim CFO

• Scott Bakken, VP Regulatory Affairs

• Saleem Drera, VP Radioisotopes, Radiological

• Ross R. Bhappu, President and CEO

• Logan Shumway, VP Conventional Operations

• Mark Chalmers, CEO

• Logan Shumway, VP, Processing Operations

• David C. Frydenlund, Executive VP, CLO and

• Debra Bennethum, VP Critical Minerals/Strategic

• Timothy James Carstens, Executive VP, Heavy Mineral

*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.