The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Gelston Philip A since 2025.
This trader's CIK number is 1733327.
At the time of last reporting, Gelston Philip A was the Director of White Mountains Insurance Group Ltd. (stock ticker symbol WTM).
Also see all insider trading activities at White Mountains Insurance Group Ltd.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | WTM | 0 | $0 | 165 | $338,004 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-12-16 | WTM | Sale | 165 | 2,048.51 | 338,004 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Gelston Philip A (Director of White Mountains Insurance Group Ltd at the time of this reporting) see the Securities and Exchange Commission (SEC) website.