RABINOWITZ DANIEL 4

What Happened
Daniel Rabinowitz, Natera's (NTRA) Secretary and Chief Legal Officer, sold a total of 1,861 shares in two open-market transactions on April 27, 2026. He sold 873 shares at $203.75 each ($177,874) and 988 shares at $204.39 each ($201,937), for combined proceeds of about $379,811. These were sales (not purchases) executed to satisfy tax withholding related to vested RSUs.

Key Details

• Transaction dates and prices:
  • 2026-04-27: 873 shares sold @ $203.75 = $177,874 (F1)
  • 2026-04-27: 988 shares sold @ $204.39 = $201,937 (F2)
• Total shares sold: 1,861; total proceeds: ~$379,811.
• Shares owned after the transaction: not reported in this filing.
• Footnotes: Sales were effected to satisfy tax withholding on RSU vesting and were made pursuant to written instructions intended to meet the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act (Stock Unit Agreements dated Jan 26, 2024 and Jan 27, 2023).
• Filing timeliness: Reported on Form 4 filed Apr 29, 2026 for transactions on Apr 27, 2026 — appears timely.

Context
These sales were tax-withholding transactions tied to RSU vesting and executed under a 10b5-1 instruction; such sales are typically routine and do not necessarily indicate a change in an insider's view of the company. Transaction code: S = Sale.