Insider selling is routine after earnings and small relative to market cap. Focus on strong revenue growth and raised guidance. No immediate bearish catalyst; monitor upcoming KPL-387 Phase 2 data in 2H 2026.
Price Chart
Executive Summary
Kiniksa Pharmaceuticals insiders, including CEO and CMO, sold $5.28M in shares during the week following strong Q1 2026 earnings. The total open-market sales represent ~0.12% of market cap, a modest amount, and appear routine post-earnings option exercises. ARCALYST revenue grew 56% YoY and 2026 guidance was raised, offsetting any bearish signal from insider sales.
Key Financial Metrics
Key Facts
- Insider cluster: 12 trades over 7 days, net selling direction
- CEO Sanj Patel sold 73,250 shares for ~$3.96M (open-market plus option exercises)
- CMO John Paolini sold 37,327 shares for ~$2.0M
- Q1 2026 ARCALYST revenue $214.3M, up 56% YoY
- 2026 ARCALYST guidance raised to $930-$945M from $900-$920M
- Total insider selling of $5.28M is only ~0.12% of KNSA's $4.4B market cap
Financial Impact
Insiders sold $5.28M in open-market transactions, representing 0.12% of market cap
Risk Factors
- Insider selling could indicate peak sentiment or planned diversification
- Pipeline delay risk for KPL-387 Phase 2 data
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-KNSA-1778014500099 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | 8-K | $76.00 | awaiting T+60 | — | $89.20 (+17.38%) |
Oct 27, 2026 today | Press Release | $75.00 | awaiting T+60 | — | $89.20 (+18.93%) |
Oct 22, 2026 5d ago | 8-K | $76.73 | awaiting T+60 | — | $89.20 (+16.25%) |
Oct 22, 2026 5d ago | Press Release | $80.79 | awaiting T+60 | — | $89.20 (+10.41%) |
Sep 3, 2026 7w ago | 144 | $77.91 | awaiting T+60 | — | $89.20 (+14.49%) |
Jul 28, 2026 13w ago | 8-K | $79.44 $79.70 | ▲ +0.33% | ▼ −4.02% | $89.20 (+12.29%) |
Jul 28, 2026 13w ago | Press Release | $79.44 $79.70 | ▲ +0.33% | ▼ −4.02% | $89.20 (+12.29%) |
May 26, 2026 22w ago | 8-K | $51.84 $78.47 | ▲ +51.37% | ▲ +49.49% | $89.20 (+72.07%) |
May 1, 2026 25w ago | 8-K | $57.62 $80.92 | ▲ +40.44% | ▲ +38.58% | $89.20 (+54.81%) |
Apr 28, 2026 26w ago | 144 | $52.99 $62.84 | ▼ −18.59% | ▼ −14.48% | $89.20 (−68.33%) |
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.
Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers