Skip to content
sellModerate cluster of 4

Rowan E Chapman sold $459k of NTRA

director at Natera, Inc.. 2,750 shares at an average of $166.99, traded Aug 28, 2025, filed Sep 2, 2025.

Warning score
57
Value
$459k
2,750 shares
Holdings after
6,015
-31% from before
From 52-week low
+43%
low $117.67, close $167.88
From 52-week high
-5%
high $177.00, as of Aug 28, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $459k at market
    +17
  • Share of holdings sold
    Sold 31% of holdings
    +10
  • Cluster
    4 insiders selling within 14 days
    +15

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 Sep 2, 2025: +136.6%SPY +23.3% · excess +113.4%

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 0001415889-25-023477, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 27, 2025AGrant or award
Common Stock
+2,143--8,345Sep 2, 2025
Jun 27, 2025AGrant or award
Common Stock
+271--8,616Sep 2, 2025
Jul 25, 2025AGrant or award
Common Stock
+149--8,765Sep 2, 2025
Aug 28, 2025SOpen-market sale
Common Stock
-2,750$166.99$459k6,015Sep 2, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
38Weak
NTRAsell 310b5-1
Natera, Inc.
Steven Leonard Chapman
CEO AND PRESIDENT
$526k
1,273 shares
-1%
40Moderate
NTRAsell 310b5-1
Natera, Inc.
Solomon Moshkevich
PRESIDENT, CLINICALDIAGNOSTICS
$1.2M
3,000 shares
-3%
55Moderate
NTRAsell 410b5-1
Natera, Inc.
Jonathan Sheena
director, other
$7.0M
18,064 shares
-100%
35Weak
NTRAsell 410b5-1
Natera, Inc.
Jonathan Sheena
director, other
$3.2M
9,150 shares
-4%
40Moderate
NTRAsell 410b5-1
Natera, Inc.
Matthew Rabinowitz
EXECUTIVE CHAIRMAN
$35M
102,000 shares
-5%
40Moderate
NTRAsell 410b5-1
Natera, Inc.
Matthew Rabinowitz
EXECUTIVE CHAIRMAN
$16M
50,000 shares
-2%
39Weak
NTRAsell 410b5-1
Natera, Inc.
Steven Leonard Chapman
CEO AND PRESIDENT
$545k
1,698 shares
-2%
45Moderate
NTRAsell 410b5-1
Natera, Inc.
Solomon Moshkevich
PRESIDENT, CLINICALDIAGNOSTICS
$5.9M
18,160 shares
-14%
10Weak
NTRAsell 410b5-1
Natera, Inc.
Rowan E Chapman
director
$23k
122 shares
-2%
28Weak
NTRAsell 410b5-1
Natera, Inc.
Michael Burkes Brophy
CHIEF FINANCIAL OFFICER
$160k
785 shares
-1%

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.

Rowan E Chapman sold $459k of NTRA | InsiderTell