$NTRA

Rabinowitz Matthew sold $700K of NTRA (indirect holdings)

Rabinowitz Matthew (EXECUTIVE CHAIRMAN) sold 2,000 indirectly-held shares of Natera, Inc. (NTRA) at $350.01 ($0.70M total) on 2026-09-15 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Rabinowitz Matthew
Published Sep 17, 2026, 1:35 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 17, 2026, 2:03 AM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$NTRA
Bearish
medium confidence
Mentioned
$NTRA
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$NTRABearishLow
01

Why it matters

The disclosed sale provides fresh data on insider holdings, which can be factored into short‑term trading decisions.

02

Market read

Insider sale of $700K may influence NTRA's stock price in the near term.

03

What to watch

Potential upcoming financing needs or personal tax planning may have driven the sale.

Relevance 4/10Novelty 7/10Timing: post‑filing 2026‑09‑16

Background

Form 4 filings disclose insider transactions; a 10b5‑1 plan indicates pre‑arranged sales.

Company-level read

Ticker impact

$NTRABearishMedium confidence
Context

Executive Chairman Matthew Rabinowitz sold 2,000 shares for $700K via a 10b5‑1 plan, reducing his stake to zero.

Expected impact

Potential modest downside pressure in the short term.

Evidence & confidence

A $700K sale by the executive chairman is material but not unusually large; market may view it as a negative signal.

Market effects

Minimal impact on the broader biotech sector; only reflects company‑specific insider activity.

No regional effect beyond Natera's share price.

Limited global relevance; primarily of interest to NTRA investors.

Counterpoint

The sale could be a routine liquidity event unrelated to company fundamentals.

Key entities

  • Matthew Rabinowitz

    Executive Chairman of Natera who executed the sale.

  • Natera, Inc.

    US‑listed biotech company (ticker NTRA).

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

Related articles

$NTRAHigh

Why Natera (NTRA) Stock Is Up Today

Natera (NTRA) stock rose 2.2% after the FDA granted Breakthrough Device designation to its multi-cancer early detection assay. The assay showed promising performance data across 12 cancer types. The company's shares are up 74.9% year-to-date, trading near a 52-week high of $425.64. Natera plans a commercial launch in Japan in 2027 for its Signatera test, approved as a companion diagnostic for bladder cancer.

$NTRAHigh

Natera Receives FDA Breakthrough Device Designation for Multi-Cancer Early Detection Blood Test

Natera (NTRA) received FDA Breakthrough Device Designation for its multi-cancer early detection blood test, based on clinical data covering 12 cancer types. The designation accelerates regulatory review but does not guarantee approval. The test analyzes cell-free DNA to detect cancer signals and their likely origin. Natera aims to expand early cancer detection options, though clinical performance and benefits require further evaluation.