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Alkermes plc. (ALKS) Stock Price & Insider Trading
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Alkermes plc. (ALKS) XNAS PHARMACEUTICAL PREPARATIONS Net insider selling (90d)
Latest ALKS Insider Trades
About Alkermes plc. (ALKS) Alkermes PLC is a fully integrated biotechnology company that applies its proprietary technologies to research, develop, and commercialize pharmaceutical products designed for unmet medical needs in therapeutic areas. The company utilizes several to develop and commercialize products and, in so doing, access technological, financial, marketing, manufacturing, and other resources. Alkermes either purchases active drug products from third parties or receives them from its third-party licensees to formulate products using its technologies. It operates in U.S., which derives maximum revenue, Ireland and Rest of the world.
Headquarters DUBLIN 4, L2
Employees 2,050
Listed 1991
Exchange XNAS https://www.alkermes.com SEC filings for ALKS on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 10 78,150 $3.90M Grant or award 2 217,534 Option exercise 10 108,944
ALKS Insider Transactions (Form 4) 98 70 Form 4 filings on record, the earliest from Nov 6, 2024, newest first. Filing history page 2 of 3.
Date Insider Transaction Security Shares Price Value Mar 2, 2026 DG David Joseph Gaffin - Officer Open-market sale Ordinary Shares 2,034
Recent ALKS Form 8-K Filings 5
Recent ALKS Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 17, 2026 Nichols Christian Todd Officer 7,576 $373K View on EDGAR Aug 3, 2026 snyderman nancy lynn MD Officer
ALKS Insider Trading - FAQ
What is the latest insider trade for ALKS? Alkermes plc. (ALKS) had 9 insider filings in the last 90 days, with the most recent on 2026-08-17. The full record for ALKS runs to 70 Form 4 filings, the earliest from 2024-11-06. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying ALKS stock? No insider purchases of ALKS were filed in the last 90 days.
How many insiders are selling ALKS stock? 10 insider sales of ALKS were filed in the last 90 days, totaling $3.90M.
Where can I see ALKS SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks ALKS Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow ALKS insider buys? Create a free InsiderAlpha account and press Watch on this page to add ALKS to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Health Care Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track ALKS insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free $33K
Market cap $7.95B
P/E ratio 125.70
Dividend yield -
Average volume 2.03M
52 week high $55.67
52 week low $25.17
Today's high $48.82
Today's low $47.25
Open $48.82
Volume 1.43M
Previous close $48.90
Shares outstanding 167.76M Market cap
$7.95B
2,050 employees
ALKS Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 10 sales totaling $3.90M.
Most-Active ALKS Insiders - Last 90 Days 10 Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Mar 2, 2026 DG David Joseph Gaffin - Officer Grant or award Employee Stock Option (Right to Buy) 78,292 $0.00 -
Mar 2, 2026 DG David Joseph Gaffin - Officer Grant or award Restricted Stock Unit Award 36,364 $0.00 -
Feb 26, 2026 SP Samuel Joseph Parisi - Officer Tax withholding / forfeiture Ordinary Shares 808 $30.73 $25K
Feb 26, 2026 BJ Blair Curtis Jackson - Officer Tax withholding / forfeiture Ordinary Shares 3,695 $30.73 $114K
Feb 26, 2026 CH Craig C. Hopkinson - Officer Tax withholding / forfeiture Ordinary Shares 3,049 $30.73 $94K
Feb 26, 2026 CH Craig C. Hopkinson - Officer Option exercise Restricted Stock Unit Award 6,866 - -
Feb 26, 2026 DG David Joseph Gaffin - Officer Tax withholding / forfeiture Ordinary Shares 3,049 $30.73 $94K
Feb 23, 2026 SP Samuel Joseph Parisi - Officer Tax withholding / forfeiture Ordinary Shares 672 $32.19 $22K
Feb 23, 2026 BJ Blair Curtis Jackson - Officer Tax withholding / forfeiture Ordinary Shares 3,880 $32.19 $125K
Feb 23, 2026 CH Craig C. Hopkinson - Officer Tax withholding / forfeiture Ordinary Shares 3,414 $32.19 $110K
Feb 23, 2026 CH Craig C. Hopkinson - Officer Option exercise Restricted Stock Unit Award 7,689 - -
Feb 23, 2026 DG David Joseph Gaffin - Officer Tax withholding / forfeiture Ordinary Shares 3,414 $32.19 $110K
Feb 18, 2026 SP Samuel Joseph Parisi - Officer Tax withholding / forfeiture Ordinary Shares 706 $32.02 $23K
Feb 19, 2026 SP Samuel Joseph Parisi - Officer Tax withholding / forfeiture Ordinary Shares 979 $32.00 $31K
Feb 18, 2026 BJ Blair Curtis Jackson - Officer Tax withholding / forfeiture Ordinary Shares 3,796 $32.02 $122K
Feb 19, 2026 BJ Blair Curtis Jackson - Officer Tax withholding / forfeiture Ordinary Shares 4,130 $32.00 $132K
Feb 18, 2026 CH Craig C. Hopkinson - Officer Tax withholding / forfeiture Ordinary Shares 3,504 $32.02 $112K
Feb 19, 2026 CH Craig C. Hopkinson - Officer Tax withholding / forfeiture Ordinary Shares 3,407 $32.00 $109K
Feb 18, 2026 CH Craig C. Hopkinson - Officer Option exercise Restricted Stock Unit Award 8,897 - -
Feb 19, 2026 CH Craig C. Hopkinson - Officer Option exercise Restricted Stock Unit Award 7,673 - -
Feb 18, 2026 DG David Joseph Gaffin - Officer Tax withholding / forfeiture Ordinary Shares 2,126 $32.02 $68K
Feb 19, 2026 DG David Joseph Gaffin - Officer Tax withholding / forfeiture Ordinary Shares 3,407 $32.00 $109K
Feb 5, 2026 RP Richard F. Pops - Officer Tax withholding / forfeiture Ordinary Shares 62,230 $33.55 $2.09M
Feb 5, 2026 RP Richard F. Pops - Officer Grant or award Ordinary Shares 149,580 - -
Feb 5, 2026 BJ Blair Curtis Jackson - Officer Tax withholding / forfeiture Ordinary Shares 8,626 $33.55 $289K
Feb 5, 2026 CH Craig C. Hopkinson - Officer Tax withholding / forfeiture Ordinary Shares 7,454 $33.55 $250K
Feb 5, 2026 DG David Joseph Gaffin - Officer Tax withholding / forfeiture Ordinary Shares 7,619 $33.55 $256K
Feb 2, 2026 CH Craig C. Hopkinson - Officer Option exercise Employee Stock Option (Right to Buy) 5,000 $0.00 -
Feb 2, 2026 SC Shane Cooke - Director Option exercise Ordinary Shares 61,200 $31.64 $1.94M
Feb 2, 2026 SC Shane Cooke - Director Open-market sale Ordinary Shares 29,087 $34.34 $999K
Feb 2, 2026 SC Shane Cooke - Director Open-market sale Ordinary Shares 32,113 $34.78 $1.12M
Feb 2, 2026 SC Shane Cooke - Director Option exercise Employee Stock Option (Right to Buy) 61,200 $0.00 -
Jan 8, 2026 CH Craig C. Hopkinson - Officer Option exercise Employee Stock Option (Right to Buy) 5,000 $0.00 -
Dec 3, 2025 CH Craig C. Hopkinson - Officer Option exercise Employee Stock Option (Right to Buy) 3,748 $0.00 -
Nov 3, 2025 CH Craig C. Hopkinson - Officer Option exercise Employee Stock Option (Right to Buy) 5,000 $0.00 -
Oct 15, 2025 CH Craig C. Hopkinson - Officer Option exercise Employee Stock Option (Right to Buy) 5,000 $0.00 -
Oct 8, 2025 JR Joshua Reed - Officer Grant or award Employee Stock Option (Right to Buy) 158,743 $0.00 -
Oct 8, 2025 JR Joshua Reed - Officer Grant or award Restricted Stock Unit Award 36,656 $0.00 -
$IONS
IONIS PHARMACEUTICALS INC
