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sellModerate cluster of 6

Rowan E Chapman sold $1.1M of NTRA

director at Natera, Inc.. 4,366 shares at an average of $243.10, traded Dec 5, 2025, filed Dec 9, 2025.

Warning score
50
Value
$1.1M
4,366 shares
Holdings after
5,777
-43% from before
From 52-week low
+85%
low $132.23, close $244.55
From 52-week high
0%
high $244.55, as of Dec 5, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $1.1M at market
    +25
  • Share of holdings sold
    Sold 43% of holdings
    +10
  • Cluster
    6 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 Dec 9, 2025: +70.1%SPY +15.2% · excess +54.9%

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 0001786240-25-000007, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 5, 2025MOption exercise
Common Stock
+4,000$32.15$129k10,143Dec 9, 2025
Dec 5, 2025SOpen-market sale
Common Stock
-4,000$243.08$972k6,143Dec 9, 2025
Dec 5, 2025SOpen-market sale
Common Stock
-366$243.39$89k5,777Dec 9, 2025
Dec 5, 2025MOption exercise
Stock Option (right to buy)derivative
-4,000$0.00$07,000Dec 9, 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%
34Weak
NTRAsell 810b5-1
Natera, Inc.
Jonathan Sheena
director, other
$908k
4,570 shares
-2%
10Weak
NTRAsell 810b5-1
Natera, Inc.
Rowan E Chapman
director
$23k
122 shares
-2%

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 $1.1M of NTRA | InsiderTell