ALKS insider trades & Congress trades
Alkermes plc.: public insider filings and Congress disclosures, in one place.
Bourse has recorded 9 open-market insider transactions in Alkermes plc. (ALKS) (0 purchases with code P and 9 sales with code S), the most recent on November 3, 2026.
In the last 90 days: 0 purchases by 0 insiders ($0) and 6 sales by 3 ($1.07M).
Members of Congress have disclosed 2 trades in ALKS (2 purchases, 0 sales), the latest transaction dated September 29, 2026. Congress filings can arrive up to 45 days after the trade.
Insider transactions
SEC Form 4, open-market purchases (P) and sales (S) only. Awards, option exercises and tax withholding are excluded. “After” shows the stock’s return over the month following the trade, where available.
| Date | Insider | Role | Type | Shares | Price | Value | After 1M |
|---|---|---|---|---|---|---|---|
| Nov 3, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,035 | $46.17 | $94K | – |
| Oct 2, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,034 | $41.03 | $83K | – |
| Sep 3, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,034 | $48.01 | $98K | −0.1% |
| Sep 1, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $46.99 | $423K | −0.1% |
| Aug 17, 2026 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 6,912 | $49.19 | $340K | −0.1% |
| Aug 17, 2026 | Nichols Christian Todd | SVP, Chief Commercial Officer | Sell | 664 | $49.65 | $33K | −0.1% |
| Aug 3, 2026 | Gaffin David Joseph | EVP, CLO, Alkermes, Inc. | Sell | 2,034 | $48.58 | $99K | −0.0% |
| Aug 3, 2026 | Hopkinson Craig C. | EVP R&D, Chief Medical Officer | Sell | 9,000 | $48.58 | $437K | −0.0% |
| Aug 3, 2026 | snyderman nancy lynn MD | – | Sell | 44,472 | $50.35 | $2.24M | −0.0% |
Congress trades
Disclosures under the STOCK Act. Amounts are reported as ranges; some trades are made by a spouse or dependent child.
| Traded | Member | Party | Type | Amount | Disclosed | Filing |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | Gilbert Cisneros | house | Buy | $1,001 - $15,000 | Oct 12, 2026 | Source |
| Jul 30, 2026 | Gilbert Cisneros | house | Buy | $15,001 - $50,000 | Sep 4, 2026 | Source |
Data as of November 8, 2026. Public filings only. A purchase or sale by a politician or an insider does not by itself imply any wrongdoing.
New to these filings? Read how to read a Form 4, how Congress trades are disclosed and what insider cluster buying means. Sources and limits are on the Methodology page.
See these filings as they land
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