Insider selling is small and routine — no actionable signal. Monitor for any material corporate events (earnings, pipeline updates, M&A) that could trigger more significant insider activity. The historical win rate on ALKS reports is strong (63% at T+20), but this cluster lacks the dollar magnitude to be predictive.
Price Chart
Executive Summary
Three Alkermes insiders, including the EVP R&D/CMO and VP Finance, sold a total of ~$1.15M in open-market sales over a 7-day window. The sales are modest relative to the $7.1B market cap (~0.016%) and include derivative exercises that likely generated shares for sale. No insider buying occurred. The cluster is small in dollar terms and likely reflects routine portfolio diversification and tax-related selling rather than a coordinated bearish signal.
Key Financial Metrics
Key Facts
- Total open-market sales: ~$1.15M across 3 insiders
- Sales represent ~0.016% of Alkermes' $7.1B market cap
- EVP R&D/CMO Craig Hopkinson sold 9,000 shares ($375K) after exercising 10,000 options
- VP Finance Samuel Parisi sold 16,217 shares ($687K) after exercising 6,784 options
- EVP/CLO David Gaffin sold 2,034 shares ($88K) with no accompanying derivative exercise
- No insider purchases were reported in the cluster window
Financial Impact
Total insider sales of ~$1.15M, or 0.016% of market cap — immaterial relative to company size
Risk Factors
- Insider sales could accelerate if upcoming pipeline catalysts disappoint
- Derivative exercises may signal insiders locking in gains ahead of volatility
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ALKS-1780606846664 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 16, 2026 16d ago | 8-K | $46.07 $42.13 | ▼ −8.55% | ▼ −11.12% | $41.62 (−9.67%) |
Sep 3, 2026 28d ago | Insider Cluster | $46.10 $45.83 | ▼ −0.59% | ▲ +0.62% | $41.62 (−9.73%) |
Aug 3, 2026 8w ago | Insider Cluster | $49.67 $49.21 | ▲ +0.93% | ▲ +0.83% | $41.62 (+16.22%) |
Aug 3, 2026 8w ago | Insider Cluster | $49.67 $49.21 | ▼ −0.93% | ▼ −0.83% | $41.62 (−16.22%) |
Aug 3, 2026 8w ago | Insider Cluster | $49.67 $49.21 | ▼ −0.93% | ▼ −0.83% | $41.62 (−16.22%) |
Jul 28, 2026 9w ago | 8-K | $50.50 $49.53 | ▲ +1.92% | ▲ +4.19% | $41.62 (+17.59%) |
Jul 8, 2026 12w ago | 8-K | $54.29 $51.60 | ▼ −4.95% | ▼ −5.82% | $41.62 (−23.35%) |
Jul 6, 2026 12w ago | Insider Cluster | $55.14 $51.94 | ▼ −5.80% | ▼ −6.29% | $41.62 (−24.53%) |
Jun 4, 2026 17w ago | Insider Cluster | $42.80 $44.28 | ▲ +3.46% | ▲ +2.89% | $41.62 (−2.77%) |
Jun 1, 2026 17w ago | Insider Cluster | $41.19 $44.29 | ▲ +7.53% | ▲ +10.50% | $41.62 (+1.04%) |
US Market Status
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