Alkermes plc. (ALKS) insider trading

Every open-market stock purchase and sale by Alkermes plc. executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.

Insider activity at a glance

  • nancy lynn snyderman MD (Director) and 3 others sold $3.8M in the last 90 days.
  • Last insider buy: David Angelo Daglio Jr. (Director), $816K, 3 years ago.

Last 12 months: insiders bought $0 (0 buys) and sold $10M (27 sales). Last close $46.88 on Sep 3, 2026.

Recent ALKS insider trades

DateInsiderTradeValue
Sep 3, 2026David Joseph Gaffin (C-suite exec)Sold$97.7K
Sep 1, 2026Craig C. Hopkinson (C-suite exec)Sold$423K
Sep 1, 2026Craig C. Hopkinson (C-suite exec)Bought (not open market)—
Aug 17, 2026Christian Todd Nichols (C-suite exec)Sold$340K
Aug 17, 2026Christian Todd Nichols (C-suite exec)Sold$33K
Aug 5, 2026Blair Curtis Jackson (CEO)Bought (not open market)—
Aug 5, 2026Blair Curtis Jackson (CEO)Bought (not open market)—
Aug 3, 2026nancy lynn snyderman MD (Director)Sold$2.2M
Aug 3, 2026Craig C. Hopkinson (C-suite exec)Sold$437K
Aug 3, 2026David Joseph Gaffin (C-suite exec)Sold$98.8K
Aug 3, 2026Craig C. Hopkinson (C-suite exec)Bought (not open market)—
Aug 3, 2026nancy lynn snyderman MD (Director)Bought (not open market)—
Aug 3, 2026nancy lynn snyderman MD (Director)Bought (not open market)—
Aug 3, 2026Craig C. Hopkinson (C-suite exec)Bought (not open market)—
Jul 6, 2026David Joseph Gaffin (C-suite exec)Sold$110K
Jun 12, 2026Christopher I Wright (Director)Sold$90.2K
Jun 4, 2026David Joseph Gaffin (C-suite exec)Sold$87.6K
Jun 1, 2026Craig C. Hopkinson (C-suite exec)Sold$375K
Jun 1, 2026Craig C. Hopkinson (C-suite exec)Bought (not open market)—
May 29, 2026Samuel Joseph Parisi (VP)Sold$687K
May 29, 2026Samuel Joseph Parisi (VP)Bought (not open market)—
May 29, 2026Samuel Joseph Parisi (VP)Bought (not open market)—
May 21, 2026Shane Cooke (Director)Sold (not open market)$118K
May 21, 2026Christopher I Wright (Director)Sold (not open market)$54.5K
May 21, 2026Richard Gaynor (Director)Sold (not open market)$54.5K

Who's trading ALKS

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