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Alkermes plc

NASDAQ · Healthcare · Biotechnology · IE

$46.10
−1.66%
Ask drillr
0
Insider buys (3m)
11
Insider sells (3m)
-$4.3M
Net value (3m)
+8.8%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Sep 3, 2026Gaffin David Joseph · officer: EVP, CLO, Alkermes, Inc.Sale2,034$48
Sep 1, 2026Hopkinson Craig C. · officer: EVP R&D, Chief Medical OfficerSale9,000$47
Sep 1, 2026Hopkinson Craig C. · officer: EVP R&D, Chief Medical OfficerM-Exempt5,000$25
Aug 17, 2026Nichols Christian Todd · officer: SVP, Chief Commercial OfficerSale6,912$49
Aug 17, 2026Nichols Christian Todd · officer: SVP, Chief Commercial OfficerSale664$50
Aug 7, 2026Jackson Blair Curtis · director, officer: President & CEO, Alkermes plcA-Award124,305$50
Aug 7, 2026Jackson Blair Curtis · director, officer: President & CEO, Alkermes plcA-Award93,229$50
Aug 3, 2026Hopkinson Craig C. · officer: EVP R&D, Chief Medical OfficerM-Exempt104$19
Aug 3, 2026snyderman nancy lynn MD · directorM-Exempt16,524$47
Aug 3, 2026snyderman nancy lynn MD · directorM-Exempt27,948$47
Aug 3, 2026snyderman nancy lynn MD · directorSale44,472$50
Aug 3, 2026Hopkinson Craig C. · officer: EVP R&D, Chief Medical OfficerM-Exempt4,896$25
Aug 3, 2026Gaffin David Joseph · officer: EVP, CLO, Alkermes, Inc.Sale2,034$49
Aug 3, 2026Hopkinson Craig C. · officer: EVP R&D, Chief Medical OfficerSale9,000$49
Jul 6, 2026Gaffin David Joseph · officer: EVP, CLO, Alkermes, Inc.Sale2,034$54
Jul 1, 2026Hopkinson Craig C. · officer: EVP R&D, Chief Medical OfficerM-Exempt5,000$19
Jul 1, 2026Hopkinson Craig C. · officer: EVP R&D, Chief Medical OfficerSale700$52
Jul 1, 2026Hopkinson Craig C. · officer: EVP R&D, Chief Medical OfficerSale8,300$51
Jun 12, 2026Wright Christopher I · directorSale2,000$45
Jun 4, 2026Gaffin David Joseph · officer: EVP, CLO, Alkermes, Inc.Sale2,034$43
Jun 1, 2026Hopkinson Craig C. · officer: EVP R&D, Chief Medical OfficerM-Exempt5,000$19
Jun 1, 2026Hopkinson Craig C. · officer: EVP R&D, Chief Medical OfficerSale9,000$42
May 29, 2026Parisi Samuel Joseph · officer: VP, Finance (Interim PAO)M-Exempt3,392$20
May 29, 2026Parisi Samuel Joseph · officer: VP, Finance (Interim PAO)Sale16,217$42
May 29, 2026Parisi Samuel Joseph · officer: VP, Finance (Interim PAO)M-Exempt12,825$19
May 22, 2026Cooke Shane · directorA-Award11,538$37
May 22, 2026LAURENCIN CATO T · directorM-Exempt6,142$0.00
May 22, 2026MCKEON BRIAN P · directorA-Award11,538$37
May 22, 2026LAURENCIN CATO T · directorA-Award11,538$37
May 22, 2026LAURENCIN CATO T · directorF-InKind1,475$37
Institutional positioning

13F filings over the trailing two quarters

New 168Increased 264Reduced 290Sold out 53
FilerActionSharesFiled
BlackRock, Inc.Increased29,235,739Aug 7, 2026
BLACKROCK, INC.Increased28,314,410May 13, 2026
BAKER BROS. ADVISORS LPUnchanged10,012,267Aug 14, 2026
BAKER BROS. ADVISORS LPUnchanged10,012,267May 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position9,511,112May 8, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCReduced9,490,818Aug 13, 2026
STATE STREET CORPReduced9,465,286May 15, 2026
STATE STREET CORPReduced9,160,575Aug 7, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased7,515,025Aug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position7,427,397May 15, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased6,737,328Aug 14, 2026
RENAISSANCE TECHNOLOGIES LLCIncreased6,460,928Aug 13, 2026
RENAISSANCE TECHNOLOGIES LLCReduced6,160,428May 14, 2026
AMERICAN CENTURY COMPANIES INCIncreased6,072,103May 15, 2026
PRICE T ROWE ASSOCIATES INC /MD/Reduced4,664,576May 15, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 3, 2026