Margaret Dillon

Filings by Margaret Dillon span 2 companies, the busiest being Guidewire Software, Inc. and White Mountains Insurance Group Ltd. We count 12 filings; the first trade dates from 27 May 2021 and the latest from 21 May 2026.

None of the filings is a plain purchase or sale on the open market; they cover grants, option exercises and other movements. Compensation-driven entries like these are tracked, but they say little about how insiders judge the share price.

On 22 May 2026 came the latest disclosure, a share grant in White Mountains Insurance Group Ltd. Filings reach the SEC (Form 4) feed a median of 1 day after the trade. The legal deadline for a Form 4 is two business days after the transaction. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.