Alkermes plc. insider trading
ALKS$41.75+1.21 (+2.98% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+33.6%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| ALKS | David Joseph Gaffin | Open market sell$83.5K | -0.9% | $41.03 | $83.5K | Oct 2, 2026 | Oct 2, 2026 |
| ALKS | David Joseph Gaffin | Open market sell$97.7K | -0.9% | $48.01 | $97.7K | Sep 3, 2026 | Sep 3, 2026 |
| ALKS | Christian Todd Nichols | Open market sell$33K | -0.7% | $49.65 | $33K | Aug 17, 2026 | Aug 17, 2026 |
| ALKS | Christian Todd Nichols | Open market sell$340K | -6.3% | $49.19 | $340K | Aug 17, 2026 | Aug 17, 2026 |
| ALKS | David Joseph Gaffin | Open market sell$98.8K | -0.9% | $48.58 | $98.8K | Aug 3, 2026 | Aug 3, 2026 |
| ALKS | David Joseph Gaffin | Open market sell$110K | -0.9% | $54.03 | $110K | Jul 6, 2026 | Jul 6, 2026 |
| ALKS | Christopher I. Wright | Open market sell$90.2K | -7.2% | $45.10 | $90.2K | Jun 12, 2026 | Jun 12, 2026 |
| ALKS | David Joseph Gaffin | Open market sell$87.6K | -0.9% | $43.05 | $87.6K | Jun 4, 2026 | Jun 4, 2026 |
| ALKS | David Joseph Gaffin | Open market sell$67.5K | -0.9% | $33.20 | $67.5K | May 4, 2026 | May 4, 2026 |
| ALKS | David Joseph Gaffin | Open market sell$70.3K | -0.9% | $34.57 | $70.3K | Apr 6, 2026 | Apr 6, 2026 |
| ALKS | David Joseph Gaffin | Open market sell$60.5K | -0.9% | $29.76 | $60.5K | Mar 3, 2026 | Mar 4, 2026 |
| ALKS | Samuel Joseph Parisi | Open market sell$202K | -47.2% | $29.29 | $202K | Mar 2, 2026 | Mar 4, 2026 |
| ALKS | Christian Todd Nichols | Open market sell$180K | -5.2% | $30.00 | $180K | Mar 2, 2026 | Mar 4, 2026 |
| ALKS | David Joseph Gaffin | Open market sell$59.6K | -0.9% | $29.29 | $59.6K | Mar 2, 2026 | Mar 4, 2026 |
| ALKS | Craig C. Hopkinson | Open market sell$112K | -6.1% | $28.00 | $112K | Jan 2, 2026 | Jan 2, 2026 |
| ALKS | Craig C. Hopkinson | Open market sell$117K | -5.7% | $29.30 | $117K | Dec 1, 2025 | Dec 1, 2025 |