| 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 |
|---|---|---|---|---|---|---|---|---|---|
Executive Chairman | See Remarks | Director
1 company
William M Sheriff is Executive Chairman at EU. William M Sheriff'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 $75K at current prices.
Our model assigns William M Sheriff a strong insider score of 80/100, based on 15 past trades. Over a 12-month horizon, all 6 of those trades were profitable, with an average 12-month return of +22.0%.
Net of sales, the EU filings show accumulation of 391,000 shares.
William M Sheriff has 18 Form 4 filings on record from January 2025 to October 2026, all as Executive Chairman at enCore Energy (EU), 2025–2026.
The 35 reported transactions were 15 open-market purchases, 11 open-market sales, 6 option or other derivative awards and 2 option exercises, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 6 purchases worth about $715K and 8 sales worth about $532K.
The largest open-market purchase was 70,000 shares of EU at an average $2.27 on March 4, 2025, about $159K. Twelve months later EU was up 25%.
The largest open-market sale was 42,500 shares of EU at an average $2.70 on January 2, 2026, about $115K.
6 of the 8 sales since April 2023 were made under a Rule 10b5-1 trading plan; the other 2 were not.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | EU Encore Energy Corp. | Executive Chairman | Buy | 125,000 | $0.81 | $101,250.00 | -250.0% | - | - | |
| Sep 15, 2026 | EU Encore Energy Corp. | Executive Chairman | Buy | 175,000 | $0.86 | $150,250.00 | +12.6% | - | - | |
| May 19, 2026 | EU Encore Energy Corp. | Executive Chairman | Buy10b5-1 | 100,000 | $1.46 | $146,000.00 | -133.3% | -18.7% | - | |
| Feb 9, 2026 | EU Encore Energy Corp. | See Remarks | Sell10b5-1 | 24,000 | $2.76 | $66,240.00 | -1.1% | -40.4% | - | |
| Jan 7, 2026 | EU Encore Energy Corp. | See Remarks | Sell | 10,000 | $2.81 | $28,100.00 | -77.7% | -37.0% | - | |
| Jan 2, 2026 | EU Encore Energy Corp. | See Remarks | Sell10b5-1 | 42,500 | $2.70 | $114,838.00 | -76.7% | -30.1% | - | |
| Dec 30, 2025 | EU Encore Energy Corp. | See Remarks | Sell | 16,500 | $2.42 | $39,930.00 | -34.5% | -29.4% | - | |
| Dec 16, 2025 | EU Encore Energy Corp. | See Remarks | Sell10b5-1 | 24,000 | $2.37 | $56,880.00 | -1.0% | -18.1% | - | |
| Nov 26, 2025 | EU Encore Energy Corp. | Executive Chairman | Sell10b5-1 | 24,000 | $2.65 | $63,600.00 | -1.0% | +0.9% | - | |
| Apr 3, 2025 | EU Encore Energy Corp. | Executive Chairman | Buy | 50,000 | $1.21 | $60,500.00 | -2,354% | +144.1% | +61.0% |