Insider · CIK 0001678867
Mark Chalmers
Files at UUUU (ENERGY FUELS INC). First filing Nov 20, 2025, latest Nov 20, 2025.
In brief
Mark Chalmers files SEC Form 4 as CEO, president and director at UUUU (ENERGY FUELS INC). Since Nov 20, 2025, Mark Chalmers has reported 0 open-market buys worth $0 and 1 open-market sell worth $2.3M, the latest filed on Nov 20, 2025.
A track record needs three past buys with six months of prices behind them; Mark Chalmers has 0, so none is measured yet.
The newest scored trade: sold $2.3M of UUUU on Nov 19, 2025, filed Nov 20, 2025, scored 70 (notable). In the last 12 months: 0 buys worth $0 and 1 sell worth $2.3M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
UUUU: ENERGY FUELS INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 70Notable | ENERGY FUELS INC | $2.3M 150,000 shares | -14% | +350% from low-41% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jul 9, 2026 | UUUU ENERGY FUELS INC | 100,000 0.04% of outstanding | $1.3M | Jul 9, 2026 | $4.3M |
| Jul 2, 2026 | UUUU ENERGY FUELS INC | 100,000 0.04% of outstanding | $1.4M | Jul 2, 2026 | $2.9M |
| Jun 29, 2026 | UUUU ENERGY FUELS INC | 200,000 0.08% of outstanding | $2.9M | Jun 29, 2026 | none |
| Nov 19, 2025 | UUUU ENERGY FUELS INC | 150,000 0.06% of outstanding | $2.3M | Nov 19, 2025 | none |
Transactions
Every row this insider has filed, 15 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jan 27, 2026 | UUUU ENERGY FUELS INC | AGrant or award Common Shares | +38,289 | $0.00 | $0 | 968,728 | Jan 29, 2026 |
| Jan 27, 2026 | UUUU ENERGY FUELS INC | FTax withholding Common Shares | -59,407 | $24.16 | $1.4M | 909,321 | Jan 29, 2026 |
| Jan 27, 2026 | UUUU ENERGY FUELS INC | AGrant or award Performance-Based Stock Options ("Options")derivative | +44,066 | $0.00 | $0 | 44,066 | Jan 29, 2026 |
| Dec 12, 2024 | UUUU ENERGY FUELS INC | AGrant or award Common Shares | +19,096 | $0.00 | $0 | 930,439 | Dec 1, 2025 |
| Dec 12, 2024 | UUUU ENERGY FUELS INC | AGrant or award Employee Stock Option (Right to Buy)derivative | +21,970 | $0.00 | $0 | 21,970 | Dec 1, 2025 |
| Nov 19, 2025 | UUUU ENERGY FUELS INC | SOpen-market sale Common Shares | -150,000 | $15.60 | $2.3M | 911,343 | Nov 20, 2025 |
| Jan 29, 2025 | UUUU ENERGY FUELS INC | AGrant or award Common Shares | +166,042 | $0.00 | $0 | 1,061,343 | Jan 31, 2025 |
| Jan 29, 2025 | UUUU ENERGY FUELS INC | AGrant or award Employee Stock Option (Right to Buy)derivative | +162,550 | $0.00 | $0 | 162,550 | Jan 31, 2025 |
| Jan 27, 2025 | UUUU ENERGY FUELS INC | FTax withholding Common Shares | -45,372 | $5.17 | $235k | 895,301 | Jan 29, 2025 |
| Jan 25, 2024 | UUUU ENERGY FUELS INC | AGrant or award Common Shares | +88,260 | $0.00 | $0 | 970,691 | Jan 29, 2024 |
| Jan 27, 2024 | UUUU ENERGY FUELS INC | FTax withholding Common Shares | -46,856 | $7.30 | $342k | 923,835 | Jan 29, 2024 |
| Jan 25, 2024 | UUUU ENERGY FUELS INC | AGrant or award Performance-Based Stock Options ("Options")derivative | +94,118 | $0.00 | $0 | 897,055 | Jan 29, 2024 |
| Nov 15, 2023 | UUUU ENERGY FUELS INC | MOption exercise Common Shares | +161,729 | $8.27 | $1.3M | 952,781 | Nov 17, 2023 |
| Nov 15, 2023 | UUUU ENERGY FUELS INC | FTax withholding Common Shares | -70,350 | $8.27 | $582k | 882,431 | Nov 17, 2023 |
| Nov 15, 2023 | UUUU ENERGY FUELS INC | MOption exercise Stock Appreciation Rights ("SARs")derivative | -250,000 | $0.00 | $0 | 802,937 | Nov 17, 2023 |
Questions about Mark Chalmers
Answered from the filings on this page, as of the latest one.
Is Mark Chalmers buying or selling?
In the last 12 months Mark Chalmers reported 0 open-market buys worth $0 and 1 open-market sell worth $2.3M on SEC Form 4; the latest was sold $2.3M of UUUU on Nov 19, 2025. Grants, option exercises and tax withholding are not counted.
How did Mark Chalmers's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mark Chalmers has 0.
Where does Mark Chalmers file Form 4?
Mark Chalmers has filed Form 4 at UUUU (ENERGY FUELS INC) as President & CEO. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.