This cluster is too small to warrant a trade signal. Monitor for any upcoming material filings (earnings, pipeline updates, M&A) that could explain the sales, but the dollar amounts are routine portfolio management. No action needed.
Price Chart
Executive Summary
Two Alkermes insiders — the EVP/CLO and EVP R&D/Chief Medical Officer — sold a combined $368K in open-market stock over four days, with the CMO also exercising options. The total sales represent ~0.007% of Alkermes' $5.5B market cap, a trivial amount that carries no material signal. Historical calibration on this ticker shows prior neutral calls underperformed, but this cluster is too small to drive a directional read.
Key Financial Metrics
Key Facts
- Two insiders sold a combined $368K in open-market shares over 4 trading days
- EVP/CLO David Gaffin sold 2,034 shares at $33.20 for $68K on May 4
- EVP R&D/CMO Craig Hopkinson sold 9,000 shares at $33.40 for $301K on May 1, after exercising options
- Total sales represent ~0.007% of Alkermes' $5.5B market cap — well below the 0.1% materiality threshold
- No insider buying was reported in the cluster window
Financial Impact
Total insider sales of $368K, or 0.007% of market cap — economically trivial
Risk Factors
- Insider selling could accelerate if a negative catalyst emerges, but this cluster alone is not predictive
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-1777941791289 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 16, 2026 16d ago | 8-K | $46.07 $42.13 | ▼ −8.55% | ▼ −11.12% | $41.64 (−9.62%) |
Sep 3, 2026 28d ago | Insider Cluster | $46.10 $45.83 | ▼ −0.59% | ▲ +0.62% | $41.64 (−9.67%) |
Aug 3, 2026 8w ago | Insider Cluster | $49.67 $49.21 | ▲ +0.93% | ▲ +0.83% | $41.64 (+16.17%) |
Aug 3, 2026 8w ago | Insider Cluster | $49.67 $49.21 | ▼ −0.93% | ▼ −0.83% | $41.64 (−16.17%) |
Aug 3, 2026 8w ago | Insider Cluster | $49.67 $49.21 | ▼ −0.93% | ▼ −0.83% | $41.64 (−16.17%) |
Jul 28, 2026 9w ago | 8-K | $50.50 $49.53 | ▲ +1.92% | ▲ +4.19% | $41.64 (+17.54%) |
Jul 8, 2026 12w ago | 8-K | $54.29 $51.60 | ▼ −4.95% | ▼ −5.82% | $41.64 (−23.30%) |
Jul 6, 2026 12w ago | Insider Cluster | $55.14 $51.94 | ▼ −5.80% | ▼ −6.29% | $41.64 (−24.48%) |
Jun 4, 2026 17w ago | Insider Cluster | $42.80 $44.28 | ▲ +3.46% | ▲ +2.89% | $41.64 (−2.71%) |
Jun 1, 2026 17w ago | Insider Cluster | $41.19 $44.29 | ▲ +7.53% | ▲ +10.50% | $41.64 (+1.10%) |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access