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sellModerate cluster of 310b5-1 plan

Steven Leonard Chapman sold $13M of NTRA

CEO AND PRESIDENT at Natera, Inc.. 87,272 shares at an average of $143.40, traded Mar 5, 2025, filed Mar 7, 2025.

Warning score
55
Value
$13M
87,272 shares
Holdings after
203,354
-30% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $12.5M at market
    +25
  • Share of holdings sold
    Sold 30% of holdings
    +10
  • 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 Mar 7, 2025: +184.9%SPY +37.8% · excess +147.0%

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 0001415889-25-007466, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 5, 2025SOpen-market sale
Common Stock10b5-1
-11,978$141.91$1.7M278,648Mar 7, 2025
Mar 5, 2025SOpen-market sale
Common Stock10b5-1
-30,298$142.79$4.3M248,350Mar 7, 2025
Mar 5, 2025SOpen-market sale
Common Stock10b5-1
-33,776$144.02$4.9M214,574Mar 7, 2025
Mar 5, 2025SOpen-market sale
Common Stock10b5-1
-10,320$144.75$1.5M204,254Mar 7, 2025
Mar 5, 2025SOpen-market sale
Common Stock10b5-1
-900$145.42$131k203,354Mar 7, 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%
27Weak
NTRAsell 310b5-1
Natera, Inc.
Michael Burkes Brophy
CHIEF FINANCIAL OFFICER
$116k
792 shares
-1%
45Moderate
NTRAsell 310b5-1
Natera, Inc.
Steven Leonard Chapman
CEO AND PRESIDENT
$979k
6,702 shares
-3%

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.

Steven Leonard Chapman sold $13M of NTRA | InsiderTell