InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
2
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by Campbell Reid Tarlton. Director active across 1 company, notably White Mountains Insurance Group Ltd. Aggregated, 13 disclosures have been published. Breakdown: 0 buy · 2 sells. Total volume traded: €8.7m. Activity tracked since 1 January 2022. The latest transaction was filed on 21 May 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Campbell Reid Tarlton
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations13 total
135 shares0Common SharesSEC:0000776867-26-000036:0
5,000 shares0Common SharesSEC:0000776867-25-000030:0
5,000 shares@ US$2,050.0076.9% of flowCommon SharesSEC:0000776867-25-000032:0
50 shares0Common SharesSEC:0000776867-25-000021:0
150 shares0Common SharesSEC:0001062993-25-010295:0
165 shares0Common SharesSEC:0001062993-24-011185:0
55 shares0Common SharesSEC:0001062993-24-006912:0
45 shares0Common SharesSEC:0001062993-24-004343:0
710 shares@ US$1,505.0128.9% of flowCommon SharesSEC:0001062993-24-000016:0
710 shares@ US$1,414.3328.2% of flowCommon SharesSEC:0001062993-23-000035:0
100 shares0Common SharesSEC:0001062993-22-014082:0
800 shares@ US$1,013.906.3% of flowCommon SharesSEC:0001062993-22-000450:0
1,100 sharesCommon SharesSEC:0001327330-16-000041:0
13 of 13 declarations
About Campbell Reid Tarlton
CAMPBELL REID TARLTON is a Director of White Mountains Insurance Group Ltd (XNAS). He has 13 filings in total, and in the sampled recent filings the sum of sales is EUR 8741507, with transactions ranging from 2016-01-05 to 2026-05-22 and a modal transaction nature reported as Attribution.
