SEC Form 4 · accession 0001668244-17-000008

WHITE MOUNTAINS INSURANCE GROUP LTD · WTM

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

Reporting owner

Officer — Chief Executive Officer · Director · Other

Period of report

Jan 11, 2017

Accepted (ET)

Jan 13, 2017 · 7:40 pm EST

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^F1	Jan 11, 2017	M	3,000	$742.00	A	45,646	D
Common Shares^F1	Jan 11, 2017	F	2,651	$839.51	D	42,995	D
Common Shares^F1	Jan 12, 2017	M	3,000	$742.00	A	45,995	D
Common Shares^F1	Jan 12, 2017	F	2,639	$843.23	D	43,356	D
Common Shares^F1	Jan 13, 2017	M	3,000	$742.00	A	46,356	D
Common Shares^F1	Jan 13, 2017	F	2,636	$844.24	D	43,720	D
Common Shares	holding	—	—		—	6,499	I	by Grantor Retained Annuity Trust
Common Shares (restricted)	holding	—	—		—	5,000	D
Common Shares	holding	—	—		—	6,106	I	By IRA
Common Shares	holding	—	—		—	719	I	By 401(k)

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Common Share Options (right to buy)^F2	$742.00	Jan 11, 2017	M	3,000	D	—	Jan 20, 2017	Common Shares	3,000	19,000	D
Common Share Options (right to buy)^F2	$742.00	Jan 12, 2017	M	3,000	D	—	Jan 20, 2017	Common Shares	3,000	16,000	D
Common Share Options (right to buy)^F2	$742.00	Jan 13, 2017	M	3,000	D	—	Jan 20, 2017	Common Shares	3,000	13,000	D

F1Includes shares held in accounts jointly owned by the Reporting Person and his spouse.
F2All of the options are fully vested and exercisable.