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sellWeak cluster of 310b5-1 plan

David Franklin Peterson sold $500k of GWRE

Chief Accounting Officer at Guidewire Software, Inc.. 2,500 shares at an average of $200.00, traded Aug 27, 2026, filed Aug 27, 2026.

Warning score
33
Value
$500k
2,500 shares
Holdings after
9,787
-20% from before
From 52-week low
+96%
low $102.69, close $201.09
From 52-week high
-23%
high $261.88, as of Aug 27, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $500k at market
    +18
  • Share of holdings sold
    Sold 20% of holdings
    +5
  • 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.

GWREOct 13, 2026 · close 165.78
Since filing Aug 27, 2026: -17.6%SPY +1.1% · excess -18.7%

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 0001496152-26-000010, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 27, 2026SOpen-market sale
Common Stock10b5-1
-2,500$200.00$500k9,787Aug 27, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
Pro nowfree Oct 20, 2026
GWREsell 210b5-1
Guidewire Software, Inc.
Michael George Rosenbaum
Chief Executive Officer
$203k
1,200 shares
-0%
Pro nowfree Oct 20, 2026
GWREsell 210b5-1
Guidewire Software, Inc.
James Winston King
Chief Admin Officer, Gen Couns
$1.5M
9,187 shares
-21%
25Weak
GWREsell 210b5-1
Guidewire Software, Inc.
Michael George Rosenbaum
Chief Executive Officer
$183k
1,200 shares
-0%
31Weak
GWREsell 510b5-1
Guidewire Software, Inc.
Michael George Rosenbaum
Chief Executive Officer
$171k
1,200 shares
-0%
52Moderate
GWREsell 510b5-1
Guidewire Software, Inc.
Jeffrey Elliott Cooper
Chief Financial Officer
$4.8M
33,175 shares
-28%
29Weak
GWREsell 510b5-1
Guidewire Software, Inc.
David Franklin Peterson
Chief Accounting Officer
$275k
1,905 shares
-13%
40Moderate
GWREsell 510b5-1
Guidewire Software, Inc.
James Winston King
Chief Admin Officer, Gen Couns
$1.9M
13,195 shares
-23%
50Moderate
GWREsell 510b5-1
Guidewire Software, Inc.
Michael George Rosenbaum
Chief Executive Officer
$11M
73,490 shares
-21%
65Notable
GWREsell 5
Guidewire Software, Inc.
John P Mullen
President
$5.7M
39,683 shares
-18%
32Weak
GWREsell 510b5-1
Guidewire Software, Inc.
Michael George Rosenbaum
Chief Executive Officer
$175k
1,200 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.

David Franklin Peterson sold $500k of GWRE | InsiderTell