Skip to content
sellWeak cluster of 310b5-1 plan

Michael Burkes Brophy sold $233k of NTRA

CHIEF FINANCIAL OFFICER at Natera, Inc.. 1,442 shares at an average of $161.87, traded Jan 27, 2025, filed Jan 29, 2025.

Warning score
30
Value
$233k
1,442 shares
Holdings after
108,032
-1% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CFO
    +22
  • Trade size
    $233k at market
    +13
  • Share of holdings sold
    Sold 1.3% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

NTRAOct 9, 2026 · close 400.71
Since filing Jan 29, 2025: +138.2%SPY +31.9% · excess +106.3%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001415889-25-002325, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 27, 2025SOpen-market sale
Common Stock10b5-1
-1,442$161.87$233k108,032Jan 29, 2025

Related signals

Other insiders at Natera, Inc. and this insider’s other filings.

ScoreSideCompanyInsiderValueSharesFiled
48Moderatesell 210b5-1NTRA
Natera, Inc.
Jonathan Sheena
director, other
$7.0M18,064
35Weaksell 410b5-1NTRA
Natera, Inc.
Jonathan Sheena
director, other
$3.2M9,150
40Moderatesell 410b5-1NTRA
Natera, Inc.
Matthew Rabinowitz
EXECUTIVE CHAIRMAN
$35M102,000
40Moderatesell 410b5-1NTRA
Natera, Inc.
Matthew Rabinowitz
EXECUTIVE CHAIRMAN
$16M50,000
39Weaksell 410b5-1NTRA
Natera, Inc.
Steven Leonard Chapman
CEO AND PRESIDENT
$545k1,698
45Moderatesell 410b5-1NTRA
Natera, Inc.
Solomon Moshkevich
PRESIDENT, CLINICALDIAGNOSTICS
$5.9M18,160
27Weaksell 310b5-1NTRA
Natera, Inc.
Michael Burkes Brophy
CHIEF FINANCIAL OFFICER
$116k792
45Moderatesell 310b5-1NTRA
Natera, Inc.
Steven Leonard Chapman
CEO AND PRESIDENT
$979k6,702
25Weaksell 310b5-1NTRA
Natera, Inc.
John Fesko
PRESIDENT, CHIEF BUS. OFFICER
$116k795
55Moderatesell 310b5-1NTRA
Natera, Inc.
Steven Leonard Chapman
CEO AND PRESIDENT
$13M87,272

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Michael Burkes Brophy sold $233k of NTRA | InsiderTell