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sellWeak10b5-1 plan

William M Sheriff sold $57k of EU

See Remarks at enCore Energy Corp.. 24,000 shares at an average of $2.37, traded Dec 16, 2025, filed Dec 18, 2025.

Warning score
2
Value
$57k
24,000 shares
Holdings after
2,262,055
-1% from before
From 52-week low
+105%
low $1.16, close $2.38
From 52-week high
-42%
high $4.07, as of Dec 16, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $57k at market
    +7
  • Share of holdings sold
    Sold 1.0% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +31.9%, 3m -22.6%, 6m -29.8%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

EUOct 12, 2026 · close 0.92
Since filing Dec 18, 2025: -60.9%SPY +16.3% · excess -77.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001193125-25-324906, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 16, 2025SOpen-market sale
Common Stock10b5-1
-24,000$2.37$57k2,262,055Dec 18, 2025

Related signals

Other insiders at enCore Energy Corp. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
39Weak
EUbuy 2
enCore Energy Corp.
Richard H Little
Chief Executive Officer
$11k
10,000 shares
+20%
46Moderate
EUbuy 2
enCore Energy Corp.
William M Sheriff
Executive Chairman
$101k
125,000 shares
+8%
42Moderate
EUbuy 2
enCore Energy Corp.
William M Sheriff
Executive Chairman
$150k
175,000 shares
+12%
63Notable
EUbuy 3
enCore Energy Corp.
Wayne W. Heili
director
$50k
35,000 shares
-
69Notable
EUbuy 3
enCore Energy Corp.
Mark S Pelizza
director
$137k
99,905 shares
+72%
74Notable
EUbuy 3
enCore Energy Corp.
Richard H Little
Chief Executive Officer
$64k
50,000 shares
-
37Weak
EUbuy10b5-1
enCore Energy Corp.
William M Sheriff
Executive Chairman
$146k
100,000 shares
+7%
3Weak
EUsell10b5-1
enCore Energy Corp.
William M Sheriff
See Remarks
$66k
24,000 shares
-1%
40Moderate
EUsell
enCore Energy Corp.
William M Sheriff
See Remarks
$28k
10,000 shares
-78%
5Weak
EUsell10b5-1
enCore Energy Corp.
William M Sheriff
See Remarks
$115k
42,500 shares
-2%

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.

William M Sheriff sold $57k of EU | InsiderTell