This is a routine director sale following an option exercise — no material signal for the stock. Monitor for any acceleration of insider selling ahead of next earnings, but this single filing is not actionable.
Price Chart
Executive Summary
Director Herman Rosenman filed a Form 144 notice of intent to sell 16,530 shares of Natera common stock, valued at approximately $4.13 million, following a stock option exercise. The sale represents a routine insider diversification event and is not unusual given the director's role and the company's large market cap.
Key Facts
- Director Herman Rosenman filed Form 144 to sell 16,530 shares of NTRA common stock.
- Estimated sale value is approximately $4.13 million based on filing date.
- Shares were acquired via stock option exercise on June 24, 2026.
- The sale is planned for the open market through Morgan Stanley Smith Barney LLC.
- Rosenman's total beneficial ownership is 143,215,382 shares (including options).
- The sale represents about 0.01% of shares outstanding, a negligible fraction.
Financial Impact
Sale of 16,530 shares valued at ~$4.13 million, representing ~0.01% of outstanding shares.
Risk Factors
- Insider selling could accelerate if more Form 144s or Form 4s appear from other officers.
- Option-exercise sales are common and not necessarily indicative of bearish sentiment.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-006447 |
| Document: 0001950047-26-006447-index.html | 0001950047-26-006447 |
| Document: 0001950047-26-006447.txt | 0001950047-26-006447 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 4, 2026 28d ago | Insider Cluster | $328.18 $341.79 | ▲ +4.15% | ▲ +5.36% | $402.75 (+22.72%) |
Aug 29, 2026 4w ago | Insider Cluster | $321.96 $328.59 | ▼ −2.06% | ▼ −2.20% | $402.75 (−25.09%) |
Aug 15, 2026 6w ago | Insider Cluster | $314.18 $327.72 | ▲ +4.31% | ▲ +5.50% | $402.75 (+28.19%) |
Aug 8, 2026 7w ago | Insider Cluster | $318.35 $314.18 | ▼ −1.31% | ▼ −1.26% | $402.75 (+26.51%) |
Aug 6, 2026 8w ago | Insider Cluster | $265.38 $310.78 | ▼ −17.11% | ▼ −15.89% | $402.75 (−51.76%) |
Jul 30, 2026 9w ago | Insider Cluster | $269.66 $265.38 | ▼ −1.59% | ▼ −5.21% | $402.75 (+49.35%) |
Jul 18, 2026 10w ago | Insider Cluster | $262.63 $261.99 | ▼ −0.24% | ▲ +0.18% | $402.75 (+53.35%) |
Jul 16, 2026 11w ago | Insider Cluster | $269.83 $264.69 | ▼ −1.90% | ▼ −0.23% | $402.75 (+49.26%) |
Jul 9, 2026 12w ago | Insider Cluster | $281.85 $269.83 | ▼ −4.26% | ▼ −4.13% | $402.75 (+42.90%) |
Jul 7, 2026 12w ago | Insider Cluster | $281.27 $272.66 | ▼ −3.06% | ▼ −3.61% | $402.75 (+43.19%) |
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