Stockfacts
Use CasesDocsPricing
Log inSign up free
OverviewFinancialsTrendsTranscriptsOptionsInstitutionsInsidersCorporate ActionsSEC Filings
Stockfacts

EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

Use CasesDashboard

Insider Trades & Whales

Insider trades are parsed from SEC Form 4 filings (first-party). The ownership breakdown below is computed first-hand from SEC 13F-HR + Form 4 (institutions from 13F, insiders from Form 4). For the full filer list and quarter-over-quarter position changes, see the Institutional (13F) tab.

Ownership Breakdown

Insiders 0.78%Institutions 25.60%67 filers

Top Institutions

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
Jul 6, 2026Gaffin David JosephEVP, CLO, Alkermes, Inc.S2,034$54.0300$109.90K
Jul 1, 2026Hopkinson Craig C.EVP R&D, Chief Medical OfficerM5,000$0.0000$0.00
Jul 1, 2026Hopkinson Craig C.EVP R&D, Chief Medical OfficerS700$52.1314$36.49K
Jul 1, 2026Hopkinson Craig C.EVP R&D, Chief Medical OfficerS8,300$51.4613$427.13K
Jul 1, 2026Hopkinson Craig C.EVP R&D, Chief Medical OfficerM5,000$19.3400$96.70K
Jun 12, 2026Wright Christopher IDirectorS2,000$45.1000$90.20K
Jun 4, 2026Gaffin David JosephEVP, CLO, Alkermes, Inc.S2,034$43.0500$87.56K
Jun 1, 2026Hopkinson Craig C.EVP R&D, Chief Medical OfficerM5,000$0.0000$0.00
Jun 1, 2026Hopkinson Craig C.EVP R&D, Chief Medical OfficerS9,000$41.6715$375.04K
Jun 1, 2026Hopkinson Craig C.EVP R&D, Chief Medical OfficerM5,000$19.3400$96.70K
May 29, 2026Parisi Samuel JosephVP, Finance (Interim PAO)M12,825$0.0000$0.00
May 29, 2026Parisi Samuel JosephVP, Finance (Interim PAO)M3,392$0.0000$0.00
May 29, 2026Parisi Samuel JosephVP, Finance (Interim PAO)S16,217$42.3634$687.01K
May 29, 2026Parisi Samuel JosephVP, Finance (Interim PAO)M12,825$19.3400$248.03K
May 29, 2026Parisi Samuel JosephVP, Finance (Interim PAO)M3,392$20.0300$67.94K
May 21, 2026Cooke ShaneDirectorM6,142––
May 21, 2026Cooke ShaneDirectorF3,207$36.9500$118.50K
May 21, 2026Cooke ShaneDirectorM6,142––
May 21, 2026GAYNOR RICHARDDirectorM6,142––
May 21, 2026GAYNOR RICHARDDirectorF1,475$36.9500$54.50K
May 21, 2026GAYNOR RICHARDDirectorM6,142––
May 21, 2026LAURENCIN CATO TDirectorM6,142––
May 21, 2026LAURENCIN CATO TDirectorF1,475$36.9500$54.50K
May 21, 2026LAURENCIN CATO TDirectorM6,142––
May 21, 2026Lurker NancyDirectorM6,142––
May 21, 2026Lurker NancyDirectorF1,475$36.9500$54.50K
May 21, 2026Lurker NancyDirectorM6,142––
May 21, 2026MCKEON BRIAN PDirectorM6,142––
May 21, 2026MCKEON BRIAN PDirectorF1,475$36.9500$54.50K
May 21, 2026MCKEON BRIAN PDirectorM6,142––
May 21, 2026snyderman nancy lynn MDDirectorM6,142––
May 21, 2026snyderman nancy lynn MDDirectorF1,475$36.9500$54.50K
May 21, 2026snyderman nancy lynn MDDirectorM6,142––
May 21, 2026Wilson Frank AndersDirectorM6,142––
May 21, 2026Wilson Frank AndersDirectorF1,475$36.9500$54.50K
May 21, 2026Wilson Frank AndersDirectorM6,142––
May 21, 2026Wright Christopher IDirectorM6,142––
May 21, 2026Wright Christopher IDirectorF1,475$36.9500$54.50K
May 21, 2026Wright Christopher IDirectorM6,142––
May 20, 2026Cooke ShaneDirectorA5,409$0.0000$0.00
May 20, 2026Cooke ShaneDirectorA11,538$0.0000$0.00
May 20, 2026GAYNOR RICHARDDirectorA5,409$0.0000$0.00
May 20, 2026GAYNOR RICHARDDirectorA11,538$0.0000$0.00
May 20, 2026Cooke ShaneDirectorA5,409$0.0000$0.00
May 20, 2026Cooke ShaneDirectorA11,538$0.0000$0.00
May 20, 2026GAYNOR RICHARDDirectorA5,409$0.0000$0.00
May 20, 2026GAYNOR RICHARDDirectorA11,538$0.0000$0.00
May 20, 2026LAURENCIN CATO TDirectorA5,409$0.0000$0.00
May 20, 2026LAURENCIN CATO TDirectorA11,538$0.0000$0.00
May 20, 2026Lurker NancyDirectorA5,409$0.0000$0.00