Form 4: Natera CEO Sells Shares After Option Exercise

Natera's CEO and President, Steven Leonard Chapman, exercised stock options and subsequently sold a significant number of shares on November 3, 2025, under a pre-arranged trading plan.

Summary

• Steven Leonard Chapman, CEO and President of Natera, Inc. (NTRA), reported transactions on November 3, 2025.
• Chapman exercised stock options to acquire a total of 155,679 shares of common stock at exercise prices of $13.01, $20.27, and $119.75 per share.
• Concurrently, Chapman sold a total of 160,703 shares of common stock in multiple transactions at weighted average prices ranging from $198.0293 to $199.9983 per share.
• The sales were conducted pursuant to a Rule 10b5-1 trading plan adopted on December 11, 2023, and amended on December 2, 2024.
• Following these transactions, Chapman's direct beneficial ownership of Natera common stock decreased to 144,816 shares.

Sentiment

Score: 6

Explanation: The sentiment is neutral to slightly positive. While a large insider sale occurred, it was pre-planned under a 10b5-1 plan, which mitigates concerns about opportunistic trading. The high sale prices relative to exercise prices reflect the company's stock performance.

Positives

• The exercise of stock options indicates that the CEO realized value from previously granted equity awards.
• Shares were sold at significantly higher prices (approximately $198-$200) compared to the exercise prices ($13.01, $20.27, $119.75), indicating substantial personal gain.
• The transactions were executed under a pre-arranged Rule 10b5-1 trading plan, which suggests a systematic approach to managing equity holdings rather than opportunistic trading based on non-public information.

Negatives

• A significant insider sale by the CEO, even if planned, could be perceived negatively by some investors, potentially signaling a lack of confidence or a desire to diversify holdings.

Management Comments

• The sale of shares was effected pursuant to a Rule 10b5-1 trading plan adopted on December 11, 2023, and amended on December 2, 2024.
• A portion of the sales (150,000 shares) was governed by the initial plan and not altered by the subsequent amendment.
• Performance-based options granted on January 22, 2021, vested in tranches upon achievement of time and business performance criteria, with performance thresholds certified on June 28, 2024, March 28, 2025, and September 28, 2025, leading to full vesting as of the last certification date.

Corporate Governance

Stakeholder Impact

• Shareholders: May interpret the significant insider sale, even if planned, with caution, potentially influencing short-term sentiment or trading decisions.

Key Dates

Recommendation

The filing details a significant insider sale by the CEO, albeit under a pre-arranged 10b5-1 plan. While planned sales are generally less concerning than unplanned ones, the sheer volume of shares sold (over 160,000) after exercising options could be interpreted by some investors as a signal. This warrants a cautious 'hold' recommendation, as the filing itself does not provide new fundamental information to justify a 'buy' or 'sell' but highlights a notable change in insider holdings.

Keywords

Natera, NTRA, Form 4, Insider Trading, Stock Options, CEO, Share Sale, 10b5-1 Plan, Equity Compensation