Natera CEO Steven Chapman Files Form 144 to Sell $1.44M in Common Stock

Insider Filing Analysis: Form 144

Issuer: Natera, Inc. (NASDAQ: NTRA)
Filer: Steven Chapman (Director and Officer)
Filing Date: October 28, 2026

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Proposed Transaction Overview

• Security: Common Stock
• Proposed Sale Date: October 28, 2026
• Shares to be Sold: 3,499 shares
• Estimated Aggregate Market Value: $1,437,459.18 (~$410.82 per share)
• Broker: ETrade Corporation
• Source of Shares: Acquired via Restricted Stock Unit (RSU) vesting on October 27, 2026, stemming from an award originally granted in January 2023.

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Prior 3-Month Activity

The filer has maintained a regular cadence of secondary sales over the preceding 90 days, largely aligning with monthly or vesting-related sell-to-cover / scheduled execution patterns:

• 10/27/2026: 2,264 shares ($919,184.33)
• 10/01/2026: 1,273 shares ($526,143.63)
• 09/01/2026: 1,698 shares ($545,041.02)
• 08/03/2026: 3,076 shares across two tranches ($819,431.10 combined)
• 07/27/2026 - 07/28/2026: 5,770 shares combined ($1,480,046.69)

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Market Impact & Significance

• Significance Level: Medium
• Context: The proposed sale represents a tiny fraction (<0.01%) of the issuer's 144,144,170 outstanding shares. Given the consistent periodic execution pattern and direct acquisition through RSU vesting, this filing is standard compensation monetization rather than a discretionary sentiment-driven exit.