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sellWeak cluster of 410b5-1 plan

Craig C. Hopkinson sold $437k of ALKS

EVP R&D, Chief Medical Officer at Alkermes plc.. 9,000 shares at an average of $48.58, traded Aug 3, 2026, filed Aug 3, 2026.

Warning score
17
Value
$437k
9,000 shares
Holdings after
69,389
-11% from before
From 52-week low
+87%
low $26.52, close $49.53
From 52-week high
-10%
high $55.22, as of Aug 3, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $437k at market
    +17
  • Share of holdings sold
    Sold 11% of holdings
    +5
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 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.

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.

ALKSOct 13, 2026 · close 39.73
Since filing Aug 3, 2026: -19.8%SPY +2.9% · excess -22.7%

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 0001520262-26-000110, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 3, 2026MOption exercise
Ordinary Shares10b5-1
+104$19.34$2,01173,493Aug 3, 2026
Aug 3, 2026MOption exercise
Ordinary Shares10b5-1
+4,896$24.59$120k78,389Aug 3, 2026
Aug 3, 2026SOpen-market sale
Ordinary Shares10b5-1
-9,000$48.58$437k69,389Aug 3, 2026
Aug 3, 2026MOption exercise
Employee Stock Option (Right to Buy)derivative10b5-1
-104$0.00$01,252Aug 3, 2026
Aug 3, 2026MOption exercise
Employee Stock Option (Right to Buy)derivative10b5-1
-4,896$0.00$066,276Aug 3, 2026

Related signals

Other insiders at Alkermes plc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
4Weak
ALKSsell10b5-1
Alkermes plc.
David Joseph Gaffin
EVP, CLO, Alkermes, Inc.
$83k
2,034 shares
-1%
13Weak
ALKSsell 210b5-1
Alkermes plc.
David Joseph Gaffin
EVP, CLO, Alkermes, Inc.
$98k
2,034 shares
-1%
9Weak
ALKSsell 210b5-1
Alkermes plc.
Craig C. Hopkinson
EVP R&D, Chief Medical Officer
$423k
9,000 shares
-12%
25Weak
ALKSsell 410b5-1
Alkermes plc.
Christian Todd Nichols
SVP, Chief Commercial Officer
$373k
7,576 shares
-7%
20Weak
ALKSsell 410b5-1
Alkermes plc.
David Joseph Gaffin
EVP, CLO, Alkermes, Inc.
$99k
2,034 shares
-1%
60Notable
ALKSsell 4
Alkermes plc.
nancy lynn snyderman MD
director
$2.2M
44,472 shares
-74%
13Weak
ALKSsell 210b5-1
Alkermes plc.
David Joseph Gaffin
EVP, CLO, Alkermes, Inc.
$110k
2,034 shares
-1%
10Weak
ALKSsell 210b5-1
Alkermes plc.
Craig C. Hopkinson
EVP R&D, Chief Medical Officer
$464k
9,000 shares
-11%
19Weak
ALKSsell 410b5-1
Alkermes plc.
Christopher I Wright
director
$90k
2,000 shares
-7%
19Weak
ALKSsell 410b5-1
Alkermes plc.
David Joseph Gaffin
EVP, CLO, Alkermes, Inc.
$88k
2,034 shares
-1%

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.

Craig C. Hopkinson sold $437k of ALKS | InsiderTell