The selling is concentrated among top executives but aligns with routine post-exercise divestitures rather than a coordinated exit. Traders should monitor for continued selling patterns or 13D filings indicating activist involvement, but no immediate red flag is present.
Price Chart
Executive Summary
Four corporate insiders at Adaptive Biotechnologies (ADPT) sold shares in a concentrated 7-day window, including CEO Chad Robins and President Julie Rubinstein, generating $1.29 million in open-market proceeds. The sales represent a modest 0.06% of the company's $2.0 billion market cap and appear to be part of planned, routine divestitures following option exercises, not an atypical flight of leadership.
Key Financial Metrics
Key Facts
- CEO Chad Robins sold 37,263 shares for $566,025 on April 8, 2026.
- President and COO Julie Rubinstein sold 70,205 shares across multiple days (April 7–13) for ~$1.04 million in total, following derivative exercises.
- Chief People Officer Francis Lo sold 22,564 shares for $340,039 on April 8, 2026.
- Chief Scientific Officer Harlan Robins sold 10,000 shares for $148,500 on April 8, 2026.
- Multiple transactions involved exercise of derivative securities and tax-related dispositions (codes A, F, M, C), which are non-cash events with $0 economic value.
Financial Impact
$1.29 million in open-market sales by insiders over 7 days, representing 0.06% of $2.0B market cap
Risk Factors
- Perception of insider confidence loss if selling continues beyond this cluster
- Potential misinterpretation of non-cash derivative exercises as economic transactions
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ADPT-1776123873615 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 6, 2026 19d ago | 144 | $26.28 | awaiting T+20 | — | $26.27 (−0.04%) |
Oct 5, 2026 20d ago | Insider Cluster | $26.90 | awaiting T+20 | — | $26.27 (−2.34%) |
Sep 25, 2026 4w ago | Press Release | $29.43 $25.51 | ▼ −13.32% | ▼ −11.84% | $26.27 (−10.74%) |
Sep 18, 2026 5w ago | Insider Cluster | $27.86 $23.95 | ▲ +14.03% | ▲ +13.13% | $26.27 (+5.71%) |
Aug 20, 2026 9w ago | Insider Cluster | $25.99 $27.86 | ▲ +7.20% | ▲ +7.72% | $26.27 (+1.08%) |
Aug 19, 2026 9w ago | Insider Cluster | $25.44 $28.55 | ▼ −12.22% | ▼ −12.22% | $26.27 (−3.26%) |
Aug 18, 2026 9w ago | 144 | $25.49 $26.68 | ▲ +4.67% | ▲ +6.19% | $26.27 (+3.06%) |
Aug 17, 2026 9w ago | 144 | $24.56 $27.67 | ▼ −12.66% | ▼ −13.97% | $26.27 (−6.96%) |
Jul 29, 2026 12w ago | Institutional Cluster | $24.18 $26.44 | ▼ −9.35% | ▼ −5.38% | $26.27 (−8.64%) |
Jul 23, 2026 13w ago | Insider Cluster | $22.27 $25.99 | ▲ +16.70% | ▲ +13.08% | $26.27 (+17.96%) |
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