The insider selling cluster is routine in both dollar amount and proportion to market cap. No material signal for traders — the pattern is consistent with normal portfolio diversification. Monitor upcoming earnings for any fundamental changes, but this filing alone does not warrant action.
Price Chart
Executive Summary
Six Natera insiders, including the CEO and CFO, sold a total of ~$1.39M in open-market sales over a 7-day window ending May 1, 2026. The cluster represents ~0.005% of the $30.2B market cap — trivial in proportion — and follows a pattern of routine insider selling at the company. Historical calibration shows past neutral-to-bearish calls on NTRA have underperformed (25% win rate at T+20), suggesting the market has not reacted negatively to similar insider activity.
Key Financial Metrics
Key Facts
- Six insiders sold shares totaling ~$1.39M in open-market transactions from April 24 to May 1, 2026.
- CEO Steven Chapman sold 2,300 shares (~$463K), CFO Michael Brophy sold 300 shares (~$57K).
- Total cluster value is ~0.005% of Natera's $30.2B market cap — immaterial.
- All transactions were open-market sales (code S); no purchases or non-cash transactions in the cluster.
- Prior 30-day insider activity shows 10 sells totaling $1.5M, consistent with ongoing routine selling.
Financial Impact
Total insider sales of ~$1.39M, representing ~0.005% of market cap — negligible economic impact.
Risk Factors
- Insider selling could accelerate if insiders perceive headwinds ahead of next earnings.
- Historical calibration shows NTRA insider cluster reports have low predictive power (25% win rate at T+20).
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-NTRA-1778031341117 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 4, 2026 28d ago | Insider Cluster | $328.18 $341.79 | ▲ +4.15% | ▲ +5.36% | $410.35 (+25.04%) |
Aug 29, 2026 4w ago | Insider Cluster | $321.96 $328.59 | ▼ −2.06% | ▼ −2.20% | $410.35 (−27.45%) |
Aug 15, 2026 6w ago | Insider Cluster | $314.18 $327.72 | ▲ +4.31% | ▲ +5.50% | $410.35 (+30.61%) |
Aug 8, 2026 7w ago | Insider Cluster | $318.35 $314.18 | ▼ −1.31% | ▼ −1.26% | $410.35 (+28.90%) |
Aug 6, 2026 8w ago | Insider Cluster | $265.38 $310.78 | ▼ −17.11% | ▼ −15.89% | $410.35 (−54.63%) |
Jul 30, 2026 9w ago | Insider Cluster | $269.66 $265.38 | ▼ −1.59% | ▼ −5.21% | $410.35 (+52.17%) |
Jul 18, 2026 10w ago | Insider Cluster | $262.63 $261.99 | ▼ −0.24% | ▲ +0.18% | $410.35 (+56.25%) |
Jul 16, 2026 11w ago | Insider Cluster | $269.83 $264.69 | ▼ −1.90% | ▼ −0.23% | $410.35 (+52.08%) |
Jul 9, 2026 12w ago | Insider Cluster | $281.85 $269.83 | ▼ −4.26% | ▼ −4.13% | $410.35 (+45.59%) |
Jul 7, 2026 12w ago | Insider Cluster | $281.27 $272.66 | ▼ −3.06% | ▼ −3.61% | $410.35 (+45.89%) |
US Market Status
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