Insider · CIK 0001229379
William M Sheriff
Files at EU (enCore Energy Corp.). First filing Apr 7, 2025, latest Sep 21, 2026.
William M Sheriff files SEC Form 4 as chair and director at EU (enCore Energy Corp.). Since Apr 7, 2025, William M Sheriff has reported 4 open-market buys worth $458k and 6 open-market sells worth $370k, the latest filed on Sep 21, 2026.
A track record needs three past buys with six months of prices behind them; William M Sheriff has 1, so none is measured yet.
The newest scored trade: bought $101k of EU on Sep 18, 2026, filed Sep 21, 2026, scored 46 (moderate). In the last 12 months: 3 buys worth $398k and 6 sells worth $370k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
EU: enCore Energy Corp.
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 |
|---|---|---|---|---|---|
| 46Moderate | enCore Energy Corp. | $101k 125,000 shares | +8% | - | |
| 42Moderate | enCore Energy Corp. | $150k 175,000 shares | +12% | - | |
| 37Weak | enCore Energy Corp. | $146k 100,000 shares | +7% | 0% from low-64% from high | |
| 3Weak | enCore Energy Corp. | $66k 24,000 shares | -1% | +133% from low-34% from high | |
| 40Moderate | EUsell enCore Energy Corp. | $28k 10,000 shares | -78% | +149% from low-29% from high | |
| 5Weak | enCore Energy Corp. | $115k 42,500 shares | -2% | +134% from low-33% from high | |
| 31Weak | EUsell enCore Energy Corp. | $40k 16,500 shares | -34% | +105% from low-42% from high | |
| 2Weak | enCore Energy Corp. | $57k 24,000 shares | -1% | +105% from low-42% from high | |
| 8Weak | enCore Energy Corp. | $64k 24,000 shares | -1% | +131% from low-34% from high | |
| 45Moderate | EUbuy enCore Energy Corp. | $61k 50,000 shares | +2% | 0% from low-73% from high |
Transactions
Every row this insider has filed, 24 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | EU enCore Energy Corp. | POpen-market purchase Common Stock | +100,000 | $0.81 | $81k | 1,662,169 | 22 d ago |
| Sep 18, 2026 | EU enCore Energy Corp. | POpen-market purchase Common Stockindirect: By Spouse. | +25,000 | $0.81 | $20k | 75,000 | 22 d ago |
| Sep 14, 2026 | EU enCore Energy Corp. | POpen-market purchase Common Stock | +100,000 | $0.84 | $84k | 1,512,169 | 27 d ago |
| Sep 14, 2026 | EU enCore Energy Corp. | POpen-market purchase Common Stockindirect: By Spouse. | +25,000 | $0.87 | $22k | 50,000 | 27 d ago |
| Sep 15, 2026 | EU enCore Energy Corp. | POpen-market purchase Common Stock | +50,000 | $0.89 | $45k | 1,562,169 | 27 d ago |
| May 18, 2026 | EU enCore Energy Corp. | POpen-market purchase Common Stock10b5-1 | +50,000 | $1.49 | $75k | 1,387,169 | May 20, 2026 |
| May 19, 2026 | EU enCore Energy Corp. | POpen-market purchase Common Stock10b5-1 | +25,000 | $1.39 | $35k | 1,412,169 | May 20, 2026 |
| May 18, 2026 | EU enCore Energy Corp. | POpen-market purchase Common Stockindirect: By Spouse.10b5-1 | +25,000 | $1.47 | $37k | 25,000 | May 20, 2026 |
| Feb 6, 2026 | EU enCore Energy Corp. | SOpen-market sale Common Stock10b5-1 | -12,000 | $2.72 | $33k | 2,226,055 | Feb 10, 2026 |
| Feb 9, 2026 | EU enCore Energy Corp. | SOpen-market sale Common Stock10b5-1 | -12,000 | $2.80 | $34k | 2,214,055 | Feb 10, 2026 |
| Jan 7, 2026 | EU enCore Energy Corp. | SOpen-market sale Common Stockindirect: By Spouse. | -10,000 | $2.81 | $28k | 2,876 | Jan 9, 2026 |
| Jan 2, 2026 | EU enCore Energy Corp. | SOpen-market sale Common Stock10b5-1 | -24,000 | $2.72 | $65k | 2,238,055 | Jan 6, 2026 |
| Jan 2, 2026 | EU enCore Energy Corp. | SOpen-market sale Common Stockindirect: By Spouse.10b5-1 | -16,300 | $2.68 | $44k | 15,076 | Jan 6, 2026 |
| Jan 2, 2026 | EU enCore Energy Corp. | SOpen-market sale Common Stockindirect: By Spouse.10b5-1 | -2,200 | $2.67 | $5,874 | 12,876 | Jan 6, 2026 |
| Dec 30, 2025 | EU enCore Energy Corp. | SOpen-market sale Common Stockindirect: By Spouse. | -16,500 | $2.42 | $40k | 31,376 | Jan 2, 2026 |
| Dec 16, 2025 | EU enCore Energy Corp. | SOpen-market sale Common Stock10b5-1 | -24,000 | $2.37 | $57k | 2,262,055 | Dec 18, 2025 |
| Nov 26, 2025 | EU enCore Energy Corp. | SOpen-market sale Common Stock10b5-1 | -24,000 | $2.65 | $64k | 2,286,055 | Dec 1, 2025 |
| Oct 8, 2025 | EU enCore Energy Corp. | AGrant or award Restricted Stock Unitderivative | +482,589 | $0.00 | $0 | 482,589 | Oct 10, 2025 |
| Oct 8, 2025 | EU enCore Energy Corp. | AGrant or award Restricted Stock Unitderivativeindirect: By Spouse. | +102,500 | $0.00 | $0 | 102,500 | Oct 10, 2025 |
| Oct 8, 2025 | EU enCore Energy Corp. | AGrant or award Stock Option (Right to Buy)derivativeindirect: By Spouse. | +30,000 | $0.00 | $0 | 30,000 | Oct 10, 2025 |
| Sep 24, 2025 | EU enCore Energy Corp. | AGrant or award Stock Optionsderivative | +320,000 | $0.00 | $0 | 0 | Sep 26, 2025 |
| Apr 3, 2025 | EU enCore Energy Corp. | POpen-market purchase Common Stock | +20,000 | $1.22 | $24k | 2,290,055 | Apr 7, 2025 |
| Apr 3, 2025 | EU enCore Energy Corp. | POpen-market purchase Common Stock | +20,000 | $1.20 | $24k | 2,310,055 | Apr 7, 2025 |
| Apr 3, 2025 | EU enCore Energy Corp. | POpen-market purchase Common Stockindirect: By Spouse. | +10,000 | $1.21 | $12k | 47,876 | Apr 7, 2025 |
Questions about William M Sheriff
Answered from the filings on this page, as of the latest one.
Is William M Sheriff buying or selling?
In the last 12 months William M Sheriff reported 3 open-market buys worth $398k and 6 open-market sells worth $370k on SEC Form 4; the latest was bought $101k of EU on Sep 18, 2026. Grants, option exercises and tax withholding are not counted.
How did William M Sheriff's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William M Sheriff has 1.
Where does William M Sheriff file Form 4?
William M Sheriff has filed Form 4 at EU (enCore Energy Corp.) as Executive Chairman. 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.