Mark Chalmers serves as Executive at ENERGY FUELS INC, where they oversee executive responsibilities. Since joining the company, Mark Chalmers has executed 34 insider transactions totaling $2.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 27, 2026 involved receiving (via award) 44,066 shares valued at $0.
Mark Chalmers currently holds 44,066 shares of ENERGY FUELS INC (UUUU), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark Chalmers has been a net seller of UUUU stock. They have purchased $164.7K and sold $2.3M worth of shares.
Mark Chalmers's most recent insider trade was on Jan 27, 2026, when they sold 44,066 shares at $0.00 per share.
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| $24.16 |
| Discretionary |
| Jan 27, 2026 | UUUU | $0 | Award | 38,289 | $N/A | Discretionary |
| Nov 19, 2025 | UUUU | $2.3M | Sale | 150,000 | $15.60 | Discretionary |
| Dec 12, 2024 | UUUU | $0 | Award | 19,096 | $N/A | Discretionary |
| May 7, 2024 | UUUU | $98.7K | Purchase | 16,838 | $5.86 | Discretionary |
| Jan 27, 2024 | UUUU | $342.0K | Payment | 46,856 | $7.30 | Discretionary |
| Jan 25, 2024 | UUUU | $0 | Award | 88,260 | $N/A | Discretionary |
| Nov 15, 2023 | UUUU | $1.3M | Option Exercise | 161,729 | $8.27 | Discretionary |
| Nov 15, 2023 | UUUU | $581.8K | Payment | 70,350 | $8.27 | Discretionary |
| May 11, 2023 | UUUU | $356.0K | Option Exercise | 54,938 | $6.48 | Discretionary |
| May 11, 2023 | UUUU | $152.4K | Payment | 23,517 | $6.48 | Discretionary |
| May 10, 2023 | UUUU | $552.5K | Payment | 84,348 | $6.55 | Discretionary |
| May 10, 2023 | UUUU | $1.3M | Option Exercise | 193,969 | $6.55 | Discretionary |
| Jan 27, 2023 | UUUU | $351.9K | Payment | 46,673 | $7.54 | Discretionary |
| Jan 26, 2023 | UUUU | $0 | Award | 101,152 | $N/A | Discretionary |
| Jan 27, 2022 | UUUU | $343.6K | Payment | 60,815 | $5.65 | Discretionary |
| Jan 25, 2022 | UUUU | $594.0K | Award | 91,808 | $6.47 | Discretionary |
| Aug 17, 2021 | UUUU | $4.6K | Purchase | 977 | $4.66 | Discretionary |
| Jan 27, 2021 | UUUU | $169.2K | Payment | 40,192 | $4.21 | Discretionary |
| Jan 26, 2021 | UUUU | $510.0K | Award | 131,105 | $3.89 | Discretionary |
| Feb 21, 2020 | UUUU | $20.0K | Purchase | 14,058 | $1.42 | Discretionary |
| Jan 27, 2020 | UUUU | $113.7K | Payment | 70,173 | $1.62 | Discretionary |
| Jan 23, 2020 | UUUU | $190.7K | Award | 108,354 | $1.76 | Discretionary |
| Aug 7, 2019 | UUUU | $9.9K | Purchase | 6,277 | $1.58 | Discretionary |
| Aug 7, 2019 | UUUU | $9.9K | Purchase | 6,121 | $1.61 | Discretionary |
| Feb 1, 2019 | UUUU | $154.2K | Payment | 53,733 | $2.87 | Discretionary |
| Jan 22, 2019 | UUUU | $525.0K | Award | 179,794 | $2.92 | Discretionary |
| Jan 26, 2018 | UUUU | $44.7K | Payment | 27,621 | $1.62 | Discretionary |
| Jan 23, 2018 | UUUU | $0 | Award | 153,646 | $N/A | Discretionary |