Gelston Philip A
SEC insider (Form 3/4/5 filer). CIK 0001733327. Director at WHITE MOUNTAINS INSURANCE GROUP LTD (WTM). 3 reported Form 4/5 transactions since Sep 2024; latest on May 21, 2026. Located in HANOVER, NH.
Companies Gelston Philip A has filed insider reports for
- WHITE MOUNTAINS INSURANCE GROUP LTD (WTM): Director
Gelston Philip A
CIK: 0001733327
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)1 (33.3%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)2 (66.7%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Director