InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
1
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
No signal scores available.
Browse the detailed record of transactions filed by Gelston Philip A, Director. Officer active across 1 company, notably White Mountains Insurance Group Ltd. Aggregated, 6 reports have been recorded. Breakdown: 0 buy · 1 sell. Total volume traded: €288k. Activity tracked since 27 May 2021. The latest transaction was disclosed on 16 December 2025 (Cession). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Gelston Philip A
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations6 total
165 shares@ US$2,048.51100.0% of flowCommon SharesSEC:0000776867-25-000025:0
150 shares0Common SharesSEC:0001062993-25-010299:0
165 shares0Common SharesSEC:0001062993-24-011189:0
180 shares0Common SharesSEC:0001062993-23-012329:0
225 shares0Common SharesSEC:0001062993-22-013664:0
225 shares0Common SharesSEC:0001668244-21-000018:0
6 of 6 declarations
About Gelston Philip A
Philip A. Gelston is a Director at White Mountains Insurance Group Ltd. He is involved in overseeing the company's policies and strategic decisions. His expertise in insurance is valuable to the board.
