Insider Activity at Alkermes PLC: What Parisi Samuel Joseph’s Moves Mean for Investors

Current Transaction Snapshot On February 23, 2026, VP Finance (Interim PAO) Parisi Samuel Joseph purchased 2,283 ordinary shares of Alkermes PLC at the day‑close price of $33.39, bringing his post‑transaction holding to 13,340 shares. The trade was executed at the prevailing market price—just $0.07 below the close—suggesting a neutral stance. In the same filing, Joseph also sold 672 ordinary shares at $32.19 and a restricted‑stock‑unit (RSU) award of 2,283 units (worth $0). These actions are typical for a finance executive managing a mix of liquid and vesting equity, and the overall net effect is a modest increase in equity exposure.

Implications of Recent Insider Activity The pattern of Joseph’s recent trades—alternating buys and sells in the week of February 18–23—indicates routine portfolio rebalancing rather than a signal of impending corporate moves. However, the fact that he consistently maintains holdings in the 12,000‑plus range, coupled with a series of RSU sales, shows a disciplined approach to liquidity management. For investors, this level of activity suggests that the company’s senior finance team is comfortable with the current valuation, particularly given Alkermes’ recent acquisition of Avadel and its pivot toward sleep‑medicine. The broader insider landscape is equally active, with SVP Christian Todd, EVP Jackson Curtis, EVP‑R&D Hopkinson, and EVP‑CLO Gaffin each executing three transactions. Such collective activity points to a healthy engagement with the stock, though it also underscores the importance of monitoring for any large directional shifts that could precede earnings or regulatory updates.

What This Means for Investors and the Company’s Outlook Alkermes’ share price has slipped 3.06 % this week and 6.25 % monthly, trailing a 52‑week low of $25.17. The current market cap of $5.5 billion and a P/E of 16.01 suggest that the market still values the company at a modest premium to earnings. Insider buying, even at modest levels, can serve as a confidence cue for investors. In the context of the recent Avadel acquisition, the continued purchases by finance leadership may signal optimism about the integration’s synergy potential and the expected expansion of the company’s pipeline into the sleep‑medicine sector. Conversely, the simultaneous selling of RSUs could reflect an attempt to diversify holdings or meet short‑term liquidity needs, a normal practice for executives.

Profile of Parisi Samuel Joseph Parisi Samuel Joseph’s transaction history over the past month illustrates a cautious, yet steadily growing stake. In early February, he sold 706 shares at $32.02, bought 2,034 shares on the same day, and later sold 979 shares at $32.00. His RSU activity—selling 2,991 units on February 19 and 2,283 units on February 23—reveals a pattern of managing vesting schedules. Historically, Joseph tends to buy back shares after selling, maintaining a core holding that typically hovers between 11,000 and 13,000 shares. This pattern is consistent with a finance executive who balances the need for liquidity against a long‑term interest in the company’s performance.

Takeaway for the Investment Community While insider trading volume alone should not drive investment decisions, the combination of steady buying, disciplined RSU management, and active engagement from other senior executives at Alkermes provides a reassuring signal of internal confidence. As the company navigates the integration of Avadel and seeks to capitalize on new therapeutic avenues, investors may view these transactions as indicative of a management team that is both committed to the company’s growth and prudent in its financial stewardship.

DateOwnerTransaction TypeSharesPrice per ShareSecurity
2026-02-23Parisi Samuel Joseph (VP, Finance (Interim PAO))Buy2,283.000.00Ordinary Shares
2026-02-23Parisi Samuel Joseph (VP, Finance (Interim PAO))Sell672.0032.19Ordinary Shares
2026-02-23Parisi Samuel Joseph (VP, Finance (Interim PAO))Sell2,283.000.00Restricted Stock Unit Award
2026-02-23Nichols Christian Todd (SVP, Chief Commercial Officer)Buy6,407.000.00Ordinary Shares
2026-02-23Nichols Christian Todd (SVP, Chief Commercial Officer)Sell2,845.0032.19Ordinary Shares
2026-02-23Nichols Christian Todd (SVP, Chief Commercial Officer)Sell6,407.000.00Restricted Stock Unit Award
2026-02-23Jackson Blair Curtis (EVP, Chief Operating Officer)Buy8,738.000.00Ordinary Shares
2026-02-23Jackson Blair Curtis (EVP, Chief Operating Officer)Sell3,880.0032.19Ordinary Shares
2026-02-23Jackson Blair Curtis (EVP, Chief Operating Officer)Sell8,738.000.00Restricted Stock Unit Award
2026-02-23Hopkinson Craig C. (EVP R&D, Chief Medical Officer)Buy7,689.000.00Ordinary Shares
2026-02-23Hopkinson Craig C. (EVP R&D, Chief Medical Officer)Sell3,414.0032.19Ordinary Shares
2026-02-23Hopkinson Craig C. (EVP R&D, Chief Medical Officer)Sell7,689.000.00Restricted Stock Unit Award
2026-02-23Gaffin David Joseph (EVP, CLO, Alkermes, Inc.)Buy7,689.000.00Ordinary Shares
2026-02-23Gaffin David Joseph (EVP, CLO, Alkermes, Inc.)Sell3,414.0032.19Ordinary Shares
2026-02-23Gaffin David Joseph (EVP, CLO, Alkermes, Inc.)Sell7,689.000.00Restricted Stock Unit Award