Rosenbaum Michael George Insider Trades & Stock Holdings

Chief Executive Officer · Guidewire Software, Inc. · Latest filing Oct 12, 2026

Rosenbaum Michael George, Chief Executive Officer at Guidewire Software, Inc. has 9 Form 4 trades on file since Jun 16, 2026. Open-market activity: 0 purchases ($0) and 9 sales ($12.84M), net -$12.84M. Latest filing: disposed of 1.20K shares of $GWRE on Oct 12, 2026 at $168.97.

Trades on file

9

Open-market bought

$0

Open-market sold

$12.84M

Net open-market

-$12.84M

Latest filing

Oct 12, 2026

All insider trades by Rosenbaum Michael George

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 12, 2026	$GWRE	Sell (Open-market sale) 10b5-1	1.20K	$168.97	$202.76K						Chief Executive Officer		Read
Oct 5, 2026	$GWRE	Sell (Open-market sale) 10b5-1	1.20K	$152.52	$183.02K			+0.9%			Chief Executive Officer		—
Sep 28, 2026	$GWRE	Sell (Open-market sale) 10b5-1	1.20K	$142.65	$171.18K			+12.4%			Chief Executive Officer		—
Sep 21, 2026	$GWRE	Sell (Open-market sale) 10b5-1	1.20K	$145.92	$175.10K			-2.8%			Chief Executive Officer		—
Sep 17, 2026	$GWRE	Sell (Open-market sale) 10b5-1	72.29K	$144.47	$10.44M			+4.2%			Chief Executive Officer		—
Jun 29, 2026	$GWRE	Sell (Open-market sale) 10b5-1	1.20K	$124.29	$149.15K			+13.8%	+38.4%		Chief Executive Officer		—
Jun 22, 2026	$GWRE	Sell (Open-market sale) 10b5-1	1.20K	$105.67	$126.80K			+17.7%	+30.5%		Chief Executive Officer		—
Jun 16, 2026	$GWRE	Sell (Open-market sale) 10b5-1	5.83K	$118.74	$692.25K			-6.7%	+26.8%		Chief Executive Officer		Read
Jun 16, 2026	$GWRE	Sell (Open-market sale) 10b5-1	5.83K	$118.74	$692.25K			-6.7%	+26.8%		Chief Executive Officer		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Rosenbaum Michael George traded

• $GWRE

Frequently asked questions

Has Rosenbaum Michael George been buying or selling stock?

Rosenbaum Michael George has 0 open-market purchases and 9 open-market sales on file, net -$12.84M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Rosenbaum Michael George's latest insider trade?

disposed of 1.20K shares of $GWRE on Oct 12, 2026 at $168.97.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.