SEC Form 4 · accession 0001327330-15-000034

WHITE MOUNTAINS INSURANCE GROUP LTD · WTM

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Managing Director

Period of report

Sep 8, 2015

Accepted (ET)

Sep 10, 2015 · 1:39 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0000776867

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Shares	Sep 8, 2015	S	100	$749.50	D	6,149	D
Common Shares	Sep 8, 2015	S	100	$749.99	D	6,049	D
Common Shares	Sep 8, 2015	S	598	$750.00	D	5,451	D
Common Shares	Sep 8, 2015	S	347	$750.02	D	5,104	D
Common Shares	Sep 8, 2015	S	200	$751.75	D	4,904	D
Common Shares	Sep 8, 2015	S	63	$752.135	D	4,841	D
Common Shares	Sep 8, 2015	S	208	$752.25	D	4,633	D
Common Shares	Sep 8, 2015	S	400	$752.50	D	4,233	D
Common Shares	Sep 8, 2015	S	294	$753.50	D	3,939	D
Common Shares	Sep 8, 2015	S	1	$754.25	D	3,938	D
Common Shares	Sep 8, 2015	S	50	$754.61	D	3,888	D
Common Shares	Sep 9, 2015	S	639	$749.97	D	3,249	D
Common Shares	Sep 9, 2015	S	100	$750.00	D	3,149	D
Common Shares	Sep 9, 2015	S	139	$750.003	D	3,010	D
Common Shares	Sep 9, 2015	S	100	$750.04	D	2,910	D
Common Shares	Sep 9, 2015	S	255	$750.05	D	2,655	D
Common Shares	Sep 9, 2015	S	100	$751.61	D	2,555	D
Common Shares	Sep 9, 2015	S	106	$753.22	D	2,449	D
Common Shares	Sep 9, 2015	S	100	$753.24	D	2,349	D
Common Shares	Sep 9, 2015	S	100	$754.50	D	2,249	D
Common Shares (restricted)	holding	—	—		—	6,750	D
Common Shares^F1	holding	—	—		—	78	I	by 401(k)

No Table II lines on this filing.

F1Since the date of Reporting Person's last filing, Reporting Person acquired 5 shares of WTM Common Shares under a company 401(k) plan. WTM Common Shares are purchased at fair market value on the date of purchase. The information in this report is based on a plan statement dated as of August 30, 2015.