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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Latest filing published 31 Aug 2026 for White Mountains Insurance Group Ltd. Read the official filing
Insider track record
Disclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
No signal scores available.
David Allen Tanner: trading record in brief
All filings by David Allen Tanner on record concern White Mountains Insurance Group Ltd, in the capacity of board member. In total, 8 filings cover trades dated from 27 May 2021 to 31 August 2026.
No open-market purchase or sale appears among the filings, only grants, plan transactions and other operations. Such operations are usually part of compensation schedules, which makes them a weaker signal than an open-market trade.
The latest filing, published on 31 August 2026, reports a transaction in White Mountains Insurance Group Ltd. The median gap between a trade and its publication by SEC (Form 4) is 1 day. Section 16 rules allow two business days to file each Form 4. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to David Allen Tanner
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations8 total
2 shares0Common SharesSEC:0000776867-26-000051:0
225 shares0Common SharesSEC:0000776867-26-000023:0
4 shares0Common SharesSEC:0001318960-25-000008:0
150 shares0Common SharesSEC:0001062993-25-010301:0
165 shares0Common SharesSEC:0001062993-24-011191:0
180 shares0Common SharesSEC:0001062993-23-012343:0
225 shares0Common SharesSEC:0001062993-22-013656:0
225 shares0Common SharesSEC:0001668244-21-000019:0
8 of 8 declarations
