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sellModerate cluster of 410b5-1 plan

Steven Leonard Chapman sold $846k of NTRA

CEO AND PRESIDENT at Natera, Inc.. 5,079 shares at an average of $166.53, traded Sep 2, 2025, filed Sep 5, 2025.

Warning score
43
Value
$846k
5,079 shares
Holdings after
158,514
-3% from before
From 52-week low
+44%
low $117.67, close $169.34
From 52-week high
-4%
high $177.00, as of Sep 2, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $846k at market
    +23
  • Share of holdings sold
    Sold 3.1% of holdings
    0
  • Cluster
    4 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 Sep 5, 2025: +138.5%SPY +21.9% · excess +116.6%

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 0001415889-25-023826, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 2, 2025SOpen-market sale
Common Stock10b5-1
-1,700$165.44$281k161,893Sep 5, 2025
Sep 2, 2025SOpen-market sale
Common Stock10b5-1
-1,472$166.29$245k160,421Sep 5, 2025
Sep 2, 2025SOpen-market sale
Common Stock10b5-1
-1,907$167.69$320k158,514Sep 5, 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%
28Weak
NTRAsell 210b5-1
Natera, Inc.
Jonathan Sheena
director, other
$2.5M
14,070 shares
-6%
53Moderate
NTRAsell 210b5-1
Natera, Inc.
Matthew Rabinowitz
EXECUTIVE CHAIRMAN
$9.0M
50,000 shares
-200%

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 $846k of NTRA | InsiderTell