| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
CEO | President & CEO | President, CEO & Director +4 more
1 company
Mark Chalmers is CEO at UUUU. Mark Chalmers's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $6.6M at current prices.
Historically, Mark Chalmers's trades have earned a below-average insider score of 43/100 across 3 rated trades. Over a 12-month horizon, 50.0% of those trades were profitable, with an average 12-month return of +6.7%.
The UUUU filings lean toward selling, a net 95,729 shares.
Mark Chalmers has 28 Form 4 filings on record from July 2016 to January 2026, all as CEO at Energy Fuels (UUUU), 2016–2026.
The 42 reported transactions were 13 tax withholdings, 12 stock awards, 7 option or other derivative awards and 6 open-market purchases, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 5 purchases worth about $165K and 1 sale worth about $2.3M.
The largest open-market purchase was 16,838 shares of UUUU at an average $5.86 on May 7, 2024, about $99K. Twelve months later UUUU was down 19%.
The only open-market sale was 150,000 shares of UUUU at an average $15.60 on November 19, 2025, about $2.3M.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 19, 2025 | UUUU Energy Fuels Inc | CEO | Sell | 150,000 | $15.60 | $2,340,450.00 | -14.1% | +32.8% | - | |
| May 7, 2024 | UUUU Energy Fuels Inc | President & CEO | Buy | 16,838 | $5.86 | $98,670.68 | +1.8% | -19.4% | -19.2% | |
| Aug 17, 2021 | UUUU Energy Fuels Inc | President & CEO | Buy | 977 | $4.66 | $4,547.94 | +0.2% | +119.9% | +32.5% | |
| Feb 21, 2020 | UUUU Energy Fuels Inc | President & CEO | Buy | 14,058 | $1.42 | $19,962.36 | +3.1% | - | - | |
| Aug 7, 2019 | UUUU Energy Fuels Inc | President & CEO | Buy | 12,398 | $1.59 | $19,769.33 | +3.0% | - | - | |
| Mar 30, 2017 | UUUU Energy Fuels Inc | Director | Buy | 10,000 | $2.17 | $21,700.00 | +6.9% | - | - |