Company profile
Alkermes plc. Insider Trading
ALKSEvery SEC Form 4 insider trading filing for Alkermes plc. (ALKS) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Pharmaceutical Preparations
- CIK
- 0001520262
- Filings
- 201
- Insiders
- 20
- Last filing
- 2026-08-17
Activity summary
Recent insider activity is bullish. Over the last 30 days, 6 insiders purchased shares versus 1 sale. Buying was led by snyderman nancy lynn MD.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Alkermes plc. insiders were net sellers in every quarter shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $21.8M.
90 day insight
Over the last 90 days, Alkermes plc. insiders bought $2.4M (10 transactions) and sold $2.9M (2 transactions).
- Most active insider: Hopkinson Craig C. with 12 transactions totaling $1.6M.
- Largest single sale: $2.2M by snyderman nancy lynn MD on Aug 3, 2026.
- 83% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 17, 2026 | Nichols Christian Todd | ALKS | Sale10b5 | 6,912 | $49.19 | $340K |
| Aug 17, 2026 | Nichols Christian Todd | ALKS | Sale10b5 | 664 | $49.65 | $33K |
| Aug 5, 2026 | Jackson Blair Curtis | ALKS | Award | 124,305 | — | — |
| Aug 5, 2026 | Jackson Blair Curtis | ALKS | Award | 93,229 | — | — |
| Aug 3, 2026 | snyderman nancy lynn MD | ALKS | Option Exercise | 27,948 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By total value filed.