Alkermes Director Cooke Shane Sells 32,113 Shares at $34.78/Share, Buys 61,200 at $31.64/Share

Alkermes plc. announced that Director Cooke Shane conducted a series of transactions on February 2, 2026. Shane sold 32,113 shares at $34.78 each and purchased 61,200 shares at $31.64 each. EVP R&D, Chief Medical Officer Hopkinson Craig C. acquired 5,000 shares at $19.34 each and sold an equal number at $34.24 each. Additionally, Hopkinson sold 4,000 shares at $33.54 each.