SEC Insider Transactions from Chalmers Mark.

Last updated: 2026-03-14 11:46 UTC | Total transactions: 25

Chalmers Mark, CEO of Energy Fuels Inc ($UUUU), made one open market sale of common shares in the last year, totaling $2.34 million. His most recent sale occurred on November 19, 2025. These sales rank 3,180th among 11,678 individual insiders, below the average of $8.6 million per seller and 6.4 transactions. He reported no open market purchases.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Jan. 27, 2026 ENERGY FUELS INC $UUUU Chalmers Mark CEO A Performance-Based Stock Options ("Options") 44066 $0.00 44,066.0000 237,286,768 9999.99% 0.02%
Jan. 27, 2026 ENERGY FUELS INC $UUUU Chalmers Mark CEO F Common Shares 59407 $24.16 909,321.0000 237,286,768 6.13% 0.03%
Jan. 27, 2026 ENERGY FUELS INC $UUUU Chalmers Mark CEO A Common Shares 38289 $0.00 968,728.0000 237,286,768 4.12% 0.02%
Dec. 12, 2024 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO A Common Shares 19096 $0.00 930,439.0000 0 2.10% 0.00%
Dec. 12, 2024 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO A Employee Stock Option (Right to Buy) 21970 $0.00 21,970.0000 0 9999.99% 0.00%
Nov. 19, 2025 ENERGY FUELS INC $UUUU Chalmers Mark CEO S Common Shares 150000 $15.60 911,343.0000 237,286,768 14.13% 0.06%
Jan. 29, 2025 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO A Common Shares 166042 $0.00 1,061,343.0000 0 18.55% 0.00%
Jan. 29, 2025 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO A Employee Stock Option (Right to Buy) 162550 $0.00 162,550.0000 0 9999.99% 0.00%
Jan. 27, 2025 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO F Common Shares 45372 $5.17 895,301.0000 0 4.82% 0.00%
May 7, 2024 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO P Common Shares 16838 $5.86 940,673.0000 0 1.82% 0.00%
Jan. 25, 2024 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO A Common Shares 88260 $0.00 970,691.0000 0 10.00% 0.00%
Jan. 27, 2024 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO F Common Shares 46856 $7.30 923,835.0000 0 4.83% 0.00%
Jan. 25, 2024 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO A Performance-Based Stock Options ("Options") 94118 $0.00 897,055.0000 0 11.72% 0.00%
Nov. 15, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO M Common Shares 161729 $8.27 952,781.0000 0 20.44% 0.00%
Nov. 15, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO F Common Shares 70350 $8.27 882,431.0000 0 7.38% 0.00%
Nov. 15, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO M Stock Appreciation Rights ("SARs") 250000 $0.00 802,937.0000 0 23.74% 0.00%
May 10, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO M Common Shares 193969 $6.55 843,979.0000 0 29.84% 0.00%
May 11, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO M Common Shares 54938 $6.48 814,569.0000 0 7.23% 0.00%
May 10, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO F Common Shares 84348 $6.55 759,631.0000 0 9.99% 0.00%
May 11, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO M Stock Appreciation Rights ("SARs") 100000 $0.00 1,052,937.0000 0 8.67% 0.00%
May 10, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO M Stock Appreciation Rights ("SARs") 350000 $0.00 1,152,937.0000 0 23.29% 0.00%
May 11, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO F Common Shares 23517 $6.48 791,052.0000 0 2.89% 0.00%
March 31, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO A Stock Appreciation Rights ("SARs") 91826 $0.00 1,502,937.0000 0 6.51% 0.00%
Jan. 26, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO A Common Shares 101152 $0.00 696,683.0000 0 16.99% 0.00%
Jan. 27, 2023 ENERGY FUELS INC $UUUU Chalmers Mark President & CEO F Common Shares 46673 $7.54 650,010.0000 0 6.70% 0.00%