InsiderTrades

Gelston Philip A

SEC CIK 1733327 · EDGAR

Buying vs selling by month open-market trades, last 24 months, WTM
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
WTMWHITE MOUNTAINS INSURANCE GROUP LTDDir 1,703 — $338.0K 62022-05-262026-05-21

Most active insiders at WTM, 12 months

#InsiderTitleBoughtSold
1 Rountree George ManningCEO, Dir —$10.25M
2 CAMPBELL REID TARLTONDir —$10.25M
3 Gelston Philip ADir —$338.0K
4 Chu JohnDir ——
5 Papamichael Michael ACFO ——
6 Harrison Giles EPres ——
7 Caffrey Liam PCEO, Dir ——
8 Hildreth MichaelaCAO, MD ——
9 Dillon MargaretDir ——
10 SHANK SUZANNE F.Dir ——

Transactions 6

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-05-22 10:34 2026-05-21 WTM WHITE MOUNTAINS INSURANCE GROUP LTD Gelston Philip A Dir A - Grant $0.00 +135 1,703 +9% $0
2025-12-16 2025-12-16 WTM WHITE MOUNTAINS INSURANCE GROUP LTD Gelston Philip A Dir S - Sale $2,048.51 -165 1,568 -10% -$338.0K
2025-05-23 2025-05-22 WTM WHITE MOUNTAINS INSURANCE GROUP LTD Gelston Philip A Dir A - Grant $0.00 +150 1,733 +9% $0
2024-05-24 2024-05-23 WTM WHITE MOUNTAINS INSURANCE GROUP LTD Gelston Philip A Dir A - Grant $0.00 +165 1,583 +12% $0
2023-05-26 2023-05-25 WTM WHITE MOUNTAINS INSURANCE GROUP LTD Gelston Philip A Dir A - Grant $0.00 +180 1,418 +15% $0
2022-05-27 2022-05-26 WTM WHITE MOUNTAINS INSURANCE GROUP LTD Gelston Philip A Dir A - Grant $0.00 +225 1,238 +22% $0

Purchase Sale Sale after option exercise All abbreviations