The proposed sale is small and part of a pre-arranged 10b5-1 plan, indicating routine portfolio management rather than a negative signal. Monitor for any acceleration of insider selling beyond the plan's disclosed parameters.
How the stock moved after the report
NEUTRAL VIEWSTOCK BELOW ENTRY AT T+5- T+0 · Nov 4 $391.03entry
- T+1 · 7d ago −6.97%α −2.56% · $363.76
- T+5 · 15h ago −18.21%α −17.30% · $319.82
- T+20 · in 21d Pending
- T+60 · in 3mo Pending
Price Chart
How similar events traded
Executive Summary
Michael Brophy, an officer of Natera, filed a Form 144 notice of intent to sell 470 shares of common stock valued at approximately $178,092. The filing also details multiple recent sales by Brophy under a 10b5-1 plan, totaling over $2.3M in the past week. The proposed sale is small relative to the company's $62.8B market cap and appears to be part of a pre-arranged trading plan.
Key Facts
- Michael Brophy, an officer of Natera, filed Form 144 on 2026-11-03 for the proposed sale of 470 shares of common stock.
- The proposed sale has an approximate market value of $178,092.40 based on the filing date.
- The filing also discloses multiple recent sales by Brophy from 10/27/2026 to 11/02/2026 totaling 5,388 shares and approximately $2.27M, all under a 10b5-1 sales plan.
- The 470-share proposed sale represents about 0.0007% of Natera's outstanding shares (based on $62.8B market cap and ~$379 stock price).
- The filing states the shares to be sold were acquired from restricted stock units that vested on 10/31/2026.
Financial Impact
Proposed sale of 470 shares worth ~$178K; recent sales under 10b5-1 plan total ~$2.27M over the past week.
Risk Factors
- Form 144 is an intent to sell; the actual sale may not occur.
- Insider selling under a 10b5-1 plan is pre-arranged and does not reflect current sentiment.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-010631 |
| Document: 0001950047-26-010631-index.html | 0001950047-26-010631 |
| Document: 0001950047-26-010631.txt | 0001950047-26-010631 |
Track record
61 reports on NTRA
6 of 9 bullish or bearish reports moved the stock their way by T+1. Best: +6.55% at T+5 after the Oct 2, 2026 report. 6 of 9 went positive at some point.
Filters
- Nov 10, 20261d ago Insider Cluster Neutral 3/10 Entry $318.65 Now $311.98 −2.09% settles Nov 12
- Nov 6, 20265d ago SC 13G/A Neutral 3/10 Entry $310.67 to $320.39 Now $311.98 +0.42% ▲ +3.13% +0.76% vs SPY
- Nov 5, 20266d ago 8-K Mixed 6/10 Entry $310.67 to $320.39 Now $311.98 +0.42% ▲ +3.13% +0.76% vs SPY
- Nov 5, 20266d ago SC 13G Neutral 4/10 Entry $363.76 to $310.67 Now $311.98 −14.23% ▼ −14.59% −14.91% vs SPY
- Nov 4, 20266d ago Insider Cluster Neutral 2/10 Entry $363.76 to $310.67 Now $311.98 −14.23% ▼ −14.59% −14.91% vs SPY
- Nov 3, 20268d ago 144 Neutral 2/10 Viewing Entry $391.03 to $363.76 Now $311.98 −20.22% ▼ −6.97% −2.56% vs SPY
- Nov 2, 20269d ago 144 Neutral 2/10 Entry $388.63 to $391.03 Now $311.98 −19.72% ▲ +0.62% −1.03% vs SPY
- Nov 2, 20269d ago 144 Neutral 3/10 Entry $388.63 to $391.03 Now $311.98 −19.72% ▲ +0.62% −1.03% vs SPY
- Nov 2, 20269d ago 144 Neutral 1/10 Entry $388.63 to $391.03 Now $311.98 −19.72% ▲ +0.62% −1.03% vs SPY
- Nov 2, 20269d ago 144 Neutral 2/10 Entry $388.63 to $391.03 Now $311.98 −19.72% ▲ +0.62% −1.03% vs SPY
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