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WHITE MOUNTAINS INSURANCE GROUP LTD — Insider Transactions

Form 4 filings by directors, officers, and 10%+ shareholders

SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.

Overview All Filings Annual Quarterly Insiders
Insider Title Type Shares Price Value Owns After Date
SMITH LOWNDES ANDREW Option Exercise 102 1,202 Jan 9, 2009
DAVIS MORGAN W Disposition 1,619 $275.00 $445,225 18,219 Jan 9, 2009
HOLIDAY EDITH E Option Exercise 202 402 Jan 9, 2009
CAMPBELL REID TARLTON Managing Director & President Option Exercise 900 $177.66 $159,894 2,700 Dec 27, 2008
GENERAL REINSURANCE CORP Sale 1,634,921 89,279 Oct 31, 2008
WATERS ALLAN LEWIS CEO - WTM Re Purchase 1,000 $330.00 $330,000 3,172 Oct 13, 2008
BARRETTE RAYMOND JOSEPH RENE Chief Executive Officer Purchase 6,061 $330.00 $2,000,130 23,895 Oct 13, 2008
BERKOWITZ BRUCE R Award / Grant 100 300 Sep 11, 2008
BARRETTE RAYMOND JOSEPH RENE Chief Executive Officer Purchase 200 $442.50 $88,500 26,290 Jun 20, 2008
SEELIG ROBERT LAWRENCE Vice Pres. & General Counsel Purchase 199 $443.20 $88,197 699 Jun 20, 2008
GILLESPIE JOHN DAVIES Award / Grant 100 1,876 May 29, 2008
COCHRAN ROBERT PHILLIPS Award / Grant 100 200 May 29, 2008
SMITH LOWNDES ANDREW Award / Grant 100 1,100 May 29, 2008
Brouillette Yves Award / Grant 100 535 May 29, 2008
BERKOWITZ BRUCE R Award / Grant 100 200 May 29, 2008
GILLESPIE GEORGE JOSEPH III Award / Grant 100 1,200 May 29, 2008
DAVIS MORGAN W President, American Centennial Sale 200 $477.27 $95,454 14,700 Mar 28, 2008
BARRETTE RAYMOND JOSEPH RENE Chief Executive Officer Purchase 100 $462.00 $46,200 30,634 Mar 12, 2008
SEELIG ROBERT LAWRENCE Vice Pres. & General Counsel Purchase 100 $458.00 $45,800 400 Mar 11, 2008
WATERS ALLAN LEWIS CEO - WTM Re Purchase 1,000 $456.50 $456,500 2,172 Mar 11, 2008
GILLESPIE JOHN DAVIES Option Exercise 2,928 4,704 Mar 7, 2008
BARRETTE RAYMOND JOSEPH RENE Chief Executive Officer Disposition 6,136 $478.00 $2,933,008 28,834 Mar 4, 2008
CHOKEL CHARLES BERGEN CFO - White Mountains Re Group Award / Grant 1,600 1,600 Feb 27, 2008
SEELIG ROBERT LAWRENCE Vice Pres. & General Counsel Award / Grant 2,000 2,000 Feb 27, 2008
CAMPBELL REID TARLTON Managing Director & President Option Exercise 900 $167.60 $150,840 1,800 Dec 27, 2007
BERKOWITZ BRUCE R Disposition 8,500 $500.00 $4,250,000 Nov 21, 2007
DAVIS MORGAN W President, American Centennial Gift 299 14,900 Nov 8, 2007
GILLESPIE JOHN DAVIES Option Exercise 416 2,192 Oct 5, 2007
Brouillette Yves Award / Grant 75 435 Aug 23, 2007
Tolman Gary Charles Pres & CEO - Esurance Sale 4 $521.17 $2,085 Jun 29, 2007
BERKOWITZ BRUCE R Award / Grant 100 100 May 24, 2007
GILLESPIE JOHN DAVIES Award / Grant 100 1,776 May 24, 2007
GILLESPIE GEORGE JOSEPH III Award / Grant 100 1,100 May 24, 2007
DAVIS MORGAN W President, American Centennial Award / Grant 100 15,199 May 24, 2007
COCHRAN ROBERT PHILLIPS Award / Grant 100 100 May 24, 2007
DAVIS MORGAN W President, American Centennial Option Exercise 2,105 17,204 Apr 5, 2007
Tolman Gary Charles Pres & CEO - Esurance Purchase 2 $561.95 $1,124 2 Mar 7, 2007
FASS STEVE ELLIOTT Tax Withholding 4,465 $574.90 $2,566,929 5,535 Feb 25, 2007
DAVIS MORGAN W President, American Centennial Disposition 85 $577.90 $49,122 5,609 Jan 23, 2007
BARRETTE RAYMOND JOSEPH RENE Chief Executive Officer Award / Grant 50,000 50,000 Jan 20, 2007
BARRETTE RAYMOND JOSEPH RENE Disposition 2,613 $566.26 $1,479,637 10,834 Jan 11, 2007
Frinquelli Angelo Michael Purchase 100 $580.00 $58,000 100 Dec 21, 2006
BERKOWITZ BRUCE R Gift 14,148 Dec 8, 2006
GILLESPIE JOHN DAVIES Disposition 411 $510.25 $209,713 1,676 Oct 5, 2006
BYRNE JOHN JOSEPH Gift 1,220 1,221 Aug 15, 2006
CHOKEL CHARLES BERGEN CFO - White Mountains Re Group I 162 $490.00 $79,380 505 Aug 11, 2006
BYRNE JOHN JOSEPH Gift 553 428,305 May 17, 2006
SEELIG ROBERT LAWRENCE Vice Pres. & General Counsel Purchase 200 $508.00 $101,600 200 Apr 28, 2006
BERKOWITZ BRUCE R Other 2,958 2,958 Jan 3, 2006
BYRNE JOHN JOSEPH Gift 10,490 279,987 Dec 27, 2005