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Guidewire Software, Inc.

GWRE
Exchange
NYSE
Industry
Services-Prepackaged Software
SEC CIK
0001528396

In the last 90 days, Guidewire Software, Inc. insiders filed 0 open-market purchases and 19 sales; 549 institutions reported holding it in 13F filings for Q2 2026, worth $10.4B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Guidewire Software, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
19 filings
5 insiders, $29.5M in total
Insiders trading
5
Net value
−$29.5M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Guidewire Software, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Guidewire Software, Inc.
NameTitleLast reported holdingLast filingFilings, past year
King James WinstonChief Admin Officer, Gen Couns44,558Sep 21, 20269
Peterson David FranklinChief Accounting Officer12,233Sep 21, 20266
Cooper Jeffrey ElliottChief Financial Officer85,420Sep 21, 20269
Mullen John PPresident183,647Sep 21, 202610
Rosenbaum Michael GeorgeChief Executive Officer279,666Sep 21, 202653
Vollert Karl AlexanderDirector578Aug 12, 20261
Keller Michael CDirector10,606Dec 16, 20251
Lego Catherine PDirector14,393Dec 16, 20251
Anquillare Mark VDirector2,716Dec 16, 20251
Sloan Jeffrey StevenDirector2,371Dec 16, 20251
Dillon MargaretDirector16,393Dec 16, 20251
Ramanathan RajaniDirector11,057Dec 16, 20251
Bauer David SDirector7,099Dec 16, 20252
Lavin PaulDirector12,585IndirectDec 23, 20240
Hung PriscillaPresident & COO38,131Dec 20, 20230
Ryu MarcusDirector10,555Dec 19, 20230
Brown Andrew William FraserDirector2,524Jun 23, 20220
Polelle MichaelChief Delivery Officer7,241Mar 18, 20220
ODowd Frank E JRChief Sales Officer28,275Sep 21, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Feb 10, 2026 (view filing)Feb 91 dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.20K$127.77−$153.3K−0.5%231.9K after10b5-1
Feb 3, 2026 (view filing)Feb 21 dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.20K$140.01−$168.0K−0.5%233.1K after10b5-1
Jan 26, 2026 (view filing)Jan 26Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.20K$160.32−$192.4K−0.5%234.3K after10b5-1
Jan 22, 2026 (view filing)Jan 202 daysRosenbaum Michael GeorgeChief Executive OfficerSSale−1.20K$156.26−$187.5K−0.5%235.5K after10b5-1
Jan 15, 2026 (view filing)Jan 132 daysCooper Jeffrey ElliottChief Financial OfficerSSale−216$180.87−$39.1K−0.3%72.8K after10b5-1
Jan 15, 2026 (view filing)Jan 132 daysRosenbaum Michael GeorgeChief Executive OfficerSSale−1.20K$180.87−$217.0K−0.5%236.7K after10b5-1
Dec 29, 2025 (view filing)Dec 29Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$204.95−$286.9K−0.6%237.9K after10b5-1
Dec 22, 2025 (view filing)Dec 22Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$200.72−$281.0K−0.6%239.3K after10b5-1
Dec 18, 2025 (view filing)Dec 16-182 daysCooper Jeffrey ElliottChief Financial OfficerSSale−4.10K$192.96−$791.9K−5.3%73.0K after2 lots10b5-1
Dec 18, 2025 (view filing)Dec 16-182 daysKing James WinstonChief Admin Officer, Gen CounsSSale−3.32K$193.72−$642.6K−9.0%33.7K after2 lots10b5-1
Dec 17, 2025 (view filing)Dec 161 dayMullen John PPresidentSSale−7.97K$192.08−$1.53M−5.3%142.0K after
Dec 17, 2025 (view filing)Dec 161 dayRosenbaum Michael GeorgeChief Executive OfficerSSale−6.01K$192.08−$1.16M−2.4%240.7K after
Dec 17, 2025 (view filing)Dec 161 dayPeterson David FranklinChief Accounting OfficerSSale−358$192.08−$68.8K−2.7%12.8K after
Dec 15, 2025 (view filing)Dec 15Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$204.34−$286.1K−0.6%246.8K after10b5-1
Dec 8, 2025 (view filing)Dec 8Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$210.87−$295.2K−0.6%248.2K after10b5-1
Dec 1, 2025 (view filing)Dec 1Same dayMullen John PPresidentSSale−3.00K$213.44−$640.3K−2.0%150.0K after10b5-1
Dec 1, 2025 (view filing)Dec 1Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$213.44−$298.8K−0.6%249.6K after10b5-1
Nov 24, 2025 (view filing)Nov 24Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$213.23−$298.5K−0.6%251.0K after10b5-1
Nov 17, 2025 (view filing)Nov 17Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$222.54−$311.6K−0.6%252.4K after10b5-1
Nov 17, 2025 (view filing)Nov 17Same dayKing James WinstonChief Admin Officer, Gen CounsSSale−798$222.54−$177.6K−2.1%37.0K after10b5-1
Nov 10, 2025 (view filing)Nov 10Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$218.53−$305.9K−0.5%253.8K after10b5-1
Nov 3, 2025 (view filing)Nov 3Same dayMullen John PPresidentSSale−3.00K$231.85−$695.5K−1.9%153.0K after10b5-1
Nov 3, 2025 (view filing)Nov 3Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$231.85−$324.6K−0.5%255.2K after10b5-1
Oct 27, 2025 (view filing)Oct 27Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$255.40−$357.6K−0.5%256.6K after10b5-1
Oct 21, 2025 (view filing)Oct 201 dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$245.70−$344.0K−0.5%258.0K after10b5-1
Oct 21, 2025 (view filing)Oct 201 dayKing James WinstonChief Admin Officer, Gen CounsSSale−798$245.70−$196.1K−2.1%37.8K after10b5-1
Oct 14, 2025 (view filing)Oct 131 dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$239.71−$335.6K−0.5%259.4K after10b5-1
Oct 6, 2025 (view filing)Oct 6Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$230.08−$322.1K−0.5%260.8K after10b5-1
Oct 1, 2025 (view filing)Oct 1Same dayBauer David SDirectorSSale−500$230.73−$115.4K−7.8%5.90K after10b5-1
Oct 1, 2025 (view filing)Oct 1Same dayMullen John PPresidentSSale−3.00K$230.73−$692.2K−1.9%156.0K after10b5-1
Sep 29, 2025 (view filing)Sep 29Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$232.25−$325.1K−0.5%262.2K after10b5-1
Sep 22, 2025 (view filing)Sep 184 daysCooper Jeffrey ElliottChief Financial OfficerSSale−7.54K$248.76−$1.87M−8.9%77.1K after5 lots10b5-1
Sep 22, 2025 (view filing)Sep 22Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$244.55−$342.4K−0.5%263.6K after10b5-1
Sep 22, 2025 (view filing)Sep 184 daysKing James WinstonChief Admin Officer, Gen CounsSSale−7.16K$248.82−$1.78M−15.6%38.6K after4 lots10b5-1
Sep 22, 2025 (view filing)Sep 184 daysPeterson David FranklinChief Accounting OfficerSSale−1.00K$249.86−$249.9K−7.1%13.2K after10b5-1
Sep 17, 2025 (view filing)Sep 161 dayMullen John PPresidentSSale−15.9K$242.87−$3.85M−9.1%159.0K after
Sep 17, 2025 (view filing)Sep 161 dayCooper Jeffrey ElliottChief Financial OfficerSSale−14.1K$242.87−$3.43M−14.3%84.6K after
Sep 17, 2025 (view filing)Sep 161 dayRosenbaum Michael GeorgeChief Executive OfficerSSale−30.3K$242.87−$7.36M−10.3%265.0K after
Sep 17, 2025 (view filing)Sep 161 dayKing James WinstonChief Admin Officer, Gen CounsSSale−7.15K$242.87−$1.74M−13.5%45.8K after
Sep 17, 2025 (view filing)Sep 161 dayPeterson David FranklinChief Accounting OfficerSSale−1.81K$242.87−$439.8K−11.3%14.2K after
Sep 15, 2025 (view filing)Sep 15Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$252.83−$354.0K−0.6%249.4K after10b5-1
Sep 9, 2025 (view filing)Sep 81 dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$261.28−$365.8K−0.6%221.9K after10b5-1
Sep 2, 2025 (view filing)Sep 2Same dayMullen John PPresidentSSale−3.00K$214.30−$642.9K−2.1%140.5K after10b5-1
Sep 2, 2025 (view filing)Sep 2Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$214.30−$300.0K−0.6%223.3K after10b5-1
Aug 25, 2025 (view filing)Aug 25Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$214.70−$300.6K−0.6%224.7K after10b5-1
Aug 18, 2025 (view filing)Aug 18Same dayKing James WinstonChief Admin Officer, Gen CounsSSale−799$211.61−$169.1K−2.1%36.6K after10b5-1
Aug 18, 2025 (view filing)Aug 18Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$211.61−$296.3K−0.6%226.1K after10b5-1
Aug 11, 2025 (view filing)Aug 11Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$212.44−$297.4K−0.6%227.5K after10b5-1
Aug 4, 2025 (view filing)Aug 13 daysMullen John PPresidentSSale−3.00K$223.28−$669.8K−2.0%143.5K after10b5-1
Aug 4, 2025 (view filing)Aug 4Same dayRosenbaum Michael GeorgeChief Executive OfficerSSale−1.40K$225.04−$315.1K−0.6%228.9K after10b5-1