Rabinowitz Matthew
EXECUTIVE CHAIRMAN
Rabinowitz Matthew has filed 19 SEC Form 4 filings (127 transaction rows) across 1 company, with disclosures dating back to 2025. 16 of those filings fall inside the rolling window. Most recent filing: Oct 17, 2026.
On the most recent filing, Rabinowitz Matthew is listed as EXECUTIVE CHAIRMAN at Natera, Inc. Inside the rolling window, Rabinowitz Matthew reported no open-market purchases and 17 open-market sales totaling $142.3M in NTRA. The largest disclosed transaction in the window is a sale of 50,000 NTRA shares on Oct 15, 2026, worth $20.1M.
Companies traded
Other insiders at NTRA
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$142.3M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| NTRA | EXECUTIVE CHAIRMAN | Sale | 50,000 | $20.1M | Oct 17 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 50,000 | $16.7M | Sep 17 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 52,000 | $18.1M | Sep 17 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 50,000 | $16.4M | Sep 12 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 2,000 | $642K | Aug 8 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 731 | $196K | Aug 6 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 1,718 | $448K | Jul 30 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 1,000 | $280K | Jul 9 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 50,000 | $10.7M | Jun 17 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 50,000 | $10.7M | Jun 17 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 722 | $149K | May 7 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 6,986 | $1.5M | May 7 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 75,000 | $14.3M | Mar 16 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 75,000 | $14.2M | Mar 16 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 50,000 | $9.8M | Mar 16 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 22,900 | $4.6M | Nov 4 | SEC ↗ | |
| NTRA | EXECUTIVE CHAIRMAN | Sale | 17,100 | $3.4M | Nov 3 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Oct 20, 2025 | NTRA | Sale | $1.9M |
| Sep 19, 2025 | NTRA | Sale | $215K |
| Sep 19, 2025 | NTRA | Sale | $4.4M |
| Sep 18, 2025 | NTRA | Sale | $2.6M |
| Sep 18, 2025 | NTRA | Sale | $1.8M |
| Sep 12, 2025 | NTRA | Sale | $86K |
| Sep 12, 2025 | NTRA | Sale | $766K |
Frequently asked questions
How many SEC Form 4 filings has Rabinowitz Matthew made?
Rabinowitz Matthew has filed 19 SEC Form 4 filings (127 transaction rows) across 1 company since 2025.
Which companies does Rabinowitz Matthew trade?
Rabinowitz Matthew has filed SEC Form 4 disclosures for 1 company, including NTRA.
When was Rabinowitz Matthew's most recent SEC Form 4 filing?
Rabinowitz Matthew's most recent SEC Form 4 filing on Tracefour is dated Oct 17, 2026.
What is Rabinowitz Matthew's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Rabinowitz Matthew is listed as EXECUTIVE CHAIRMAN.
What is Rabinowitz Matthew's total buy and sell value in the current window?
Inside the rolling retention window, Rabinowitz Matthew bought $0 and sold $142.3M based on SEC Form 4 filings.
What was Rabinowitz Matthew's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 50,000 NTRA shares on 2026-10-15, worth $20.1M, per SEC Form 4 filings.