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sellNotable cluster of 8

Gail Boxer Marcus sold $2.4M of NTRA

director at Natera, Inc.. 11,000 shares at an average of $217.21, traded Jun 5, 2026, filed Jun 9, 2026.

Warning score
60
Value
$2.4M
11,000 shares
Holdings after
6,183
-64% from before
From 52-week low
+61%
low $133.66, close $215.31
From 52-week high
-15%
high $254.40, as of Jun 5, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $2.4M at market
    +25
  • Share of holdings sold
    Sold 64% of holdings
    +20
  • Cluster
    8 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 13, 2026 · close 395.65
Since filing Jun 9, 2026: +77.6%SPY +6.1% · excess +71.5%

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 0001702176-26-000004, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 5, 2026MOption exercise
Common Stock
+11,000$22.83$251k17,183Jun 9, 2026
Jun 5, 2026SOpen-market sale
Common Stock
-3,016$216.06$652k14,167Jun 9, 2026
Jun 5, 2026SOpen-market sale
Common Stock
-4,694$217.30$1.0M9,473Jun 9, 2026
Jun 5, 2026SOpen-market sale
Common Stock
-3,174$218.11$692k6,299Jun 9, 2026
Jun 5, 2026SOpen-market sale
Common Stock
-116$218.82$25k6,183Jun 9, 2026
Jun 5, 2026MOption exercise
Stock Option (right to buy)derivative
-11,000$0.00$011,000Jun 9, 2026

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%
40Moderate
NTRAsell 710b5-1
Natera, Inc.
John Fesko
PRESIDENT, CHIEF BUS. OFFICER
$2.1M
6,517 shares
-3%
35Weak
NTRAsell 710b5-1
Natera, Inc.
Jonathan Sheena
director, other
$2.0M
6,000 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.

Gail Boxer Marcus sold $2.4M of NTRA | InsiderTell