Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
AboutMethodSourcesNewsletter
Insider tradingForm 4

Alkermes plc. (ALKS) Insider Trading

4 open-market trades reported since Aug 17, 2026: 0 purchases worth $0 and 4 sales worth $977K.

By insider

InsiderRoleBuysBoughtSellsSoldLatest
David Joseph GaffinGeneral Counsel0$02$181KOct 2, 2026
Craig C. HopkinsonEVP0$01$423KSep 1, 2026
Christian Todd NicholsSVP0$01$373KAug 17, 2026
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All trades

ALKS insider trades
FiledTradedInsiderRoleTypeSharesPrice ($)ValueHolding3 mo. afterFiling
Oct 2Oct 2David Joseph GaffinGeneral CounselGeneral Counsel▼ SELL10b5-12,03441.03$83K−0.9%Form 4 ↗
Sep 3Sep 3David Joseph GaffinGeneral CounselGeneral Counsel▼ SELL10b5-12,03448.01$98K−0.9%Form 4 ↗
Sep 1Sep 1Craig C. HopkinsonEVPEVP▼ SELL10b5-19,00046.99$423K−12%Form 4 ↗
Aug 17Aug 17Christian Todd NicholsSVPSVP▼ SELL10b5-17,57649.23$373K−6.9%Form 4 ↗
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings