The Form 4 filing, a report of insider stock activity, was filed with the SEC on October 29, 2026. It covers trades on October 27 and 28 by Michael Burkes Brophy, Natera's chief financial officer.
Transaction details
| Transaction | |
|---|---|
| Date of Earliest Transaction | 2026-10-27 |
| Date of Latest Transaction | 2026-10-28 |
| Buy/Sell | sell |
| Transaction Count | 2 |
| Shares Transacted | 1,979 |
| Price | $418.31 |
| Total Transaction Value | $827,841.80 |
| Insider | |
| Ticker Symbol | NTRA |
| Company | Natera, Inc. |
| Insider Name | Brophy Michael Burkes |
| Insider Title | CHIEF FINANCIAL OFFICER |
| Sector - Industry | Other - Unclassified |
| Holdings | |
| Total Shares Owned After Transaction | 49,658 |
| Position Size Change | 3.83% |
| Filing | |
| Filing Date | 2026-10-29 |
| SEC Link | View filing |
FAQ
What type of transaction is this?
These were two share sales, reported under SEC transaction code S. The available details also indicate special circumstances, explained below.
What was the average price of the transaction?
The average sale price was $418.31 per share across the two transactions. Separate prices for each sale were not provided.
How did this transaction affect the insider's holdings?
He sold 1,979 shares and reported owning 49,658 shares afterward. The sales represented 3.83% of his reported shares owned before the sales.
What's the total transaction value?
The total value of the two sales was $827,841.80, rounded to the nearest cent.
Are there any special circumstances around this transaction?
Yes. The transaction details include a reference to a Rule 10b5-1 plan, which sets trading instructions in advance. Footnote text was not provided, so it is unclear which sales the plan covered. The reference alone does not establish that the trades met the rule's legal requirements.
The details also point to a link with tax payments or the cost of exercising stock options. Exercising an option means using the right to buy shares at a set price. The S code identifies sales, but the exact payment purpose and method remain unknown without the footnotes. The available information does not establish that taxes were the sole purpose.
For research purposes only; not investment advice.