The cluster is small relative to market cap but notable for its breadth (7 insiders, including top C-suite) and timing near all-time highs. Monitor for additional filings—if the CEO or CFO files another sale in the next 30 days, it would escalate the signal. The stock's strong YTD performance (implied by the price range) makes profit-taking plausible, but the lack of any insider buying is a subtle negative.
Price Chart
Executive Summary
Seven Natera insiders, including the Executive Chairman, CEO, CFO, and two Presidents, sold a total of $5.15M in shares over a one-week window (Aug 3–10, 2026). The cluster is dominated by two large sales: the President/Chief Business Officer ($2.10M) and a Director ($1.95M), both on Aug 10. While the total value is only ~0.01% of Natera's $48.8B market cap—well below the 0.1% materiality threshold—the breadth of C-suite participation and the concentration of sales at higher prices ($320-$325) near recent highs warrants attention.
Key Financial Metrics
Key Facts
- Seven insiders sold shares totaling $5.15M between Aug 3–10, 2026.
- Sales include the Executive Chairman ($642K), CEO ($164K), CFO ($131K), and two Presidents ($2.10M and $78K).
- Two large sales on Aug 10 account for $4.05M (79% of total): President/Chief Business Officer ($2.10M) and a Director ($1.95M).
- Total cluster value is ~0.01% of Natera's $48.8B market cap, below the 0.1% materiality threshold.
- No open-market purchases were filed during this window.
- The stock has rallied significantly (recent trades at $320-$325 vs. $260 on Aug 3), suggesting profit-taking at elevated levels.
Financial Impact
$5.15M in insider sales, representing ~0.01% of market cap
Risk Factors
- Insider sales may continue if the stock remains elevated, increasing supply overhang.
- No insider buying to offset the selling signal—could indicate management sees limited near-term upside.
- The cluster is small relative to market cap, so the bearish signal is weak and may not move the stock.
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-1787967351115 |
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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