Updated Jul 16, 2026
Harrison Giles E is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.

Harrison E. Giles is an executive known for his role as President of White Mountains Insurance Group Ltd, a prominent insurance and reinsurance company. He has been involved in various strategic initiatives within the company, contributing to its growth and operational success.
| Role | President |
|---|---|
| Notability | 70/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-02-27 | WTM | WHITE MOUNTAINS INSURANCE GROUP LTD | A — Grant or award | 775 | $0.00 |
Harrison E. Giles is an executive known for his role as President of White Mountains Insurance Group Ltd, a prominent insurance and reinsurance company. He has been involved in various strategic initiatives within the company, contributing to its growth and operational success.…
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