Insider Trading activities of White Mountains Insurance Group Ltd insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of White Mountains Insurance Group Ltd since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of White Mountains Insurance Group Ltd since year 2005. Table 2 shows the detailed insider transactions of White Mountains Insurance Group Ltd since 2005. The reporting company's ticker symbol is WTM. The reporting company's CIK number is 776867.
The total value of stock buying since 2005 is $14,606,131.
The total value of stock sales since 2005 is $108,488,025.
The total value of stock option exercises since 2005 is $89,689,646.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for White Mountains Insurance Group Ltd (WTM).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2017-11 0 $0 100 $87,500 0 $0
2017-01 0 $0 0 $0 40,000 $29,680,000
2016-12 0 $0 2,001 $1,736,640 47,000 $34,874,000
2016-11 0 $0 0 $0 33,000 $24,486,000
2016-08 0 $0 1,370 $1,124,633 0 $0
2015-12 0 $0 800 $643,992 0 $0
2015-11 0 $0 6,500 $4,983,705 0 $0
2015-09 0 $0 5,000 $3,769,576 0 $0
2015-08 0 $0 300 $219,103 0 $0
2014-08 0 $0 100 $62,149 0 $0
2013-11 0 $0 1,400 $844,900 0 $0
2013-05 100 $57,500 3,200 $1,943,852 0 $0
2013-04 70 $40,950 0 $0 0 $0
2013-03 100 $57,500 0 $0 0 $0
2012-12 1,900 $986,109 2,900 $1,507,167 0 $0
2012-08 876 $450,215 0 $0 0 $0
2012-02 3,000 $1,392,180 0 $0 0 $0
2011-12 5,100 $2,181,660 2,100 $934,796 0 $0
2011-11 0 $0 4,893 $2,013,831 0 $0
2011-10 36 $15,300 0 $0 0 $0
2011-09 0 $0 1,607 $636,372 0 $0
2011-07 40 $17,000 0 $0 0 $0
2011-06 0 $0 500 $201,074 0 $0
2011-05 2,000 $804,000 2,500 $1,005,000 0 $0
2010-10 0 $0 0 $0 101 $0
2010-08 1,032 $328,361 0 $0 0 $0
2010-05 300 $100,175 0 $0 0 $0
2010-01 0 $0 0 $0 102 $0
2009-12 250 $81,240 2,600 $823,783 0 $0
2009-09 100 $30,000 0 $0 0 $0
2009-07 0 $0 7,455 $1,662,537 0 $0
2009-06 1,000 $210,000 0 $0 0 $0
2009-05 1,000 $216,474 0 $0 0 $0
2009-03 6,393 $1,097,118 0 $0 0 $0
2009-02 1,900 $402,971 0 $0 0 $0
2009-01 0 $0 0 $0 4,923 $0
2008-12 0 $0 0 $0 2,700 $498,809
2008-10 7,661 $2,528,130 1,634,921 $0 0 $0
2008-06 2,200 $975,065 0 $0 0 $0
2008-04 0 $0 10,100 $4,681,582 0 $0
2008-03 3,300 $1,517,058 200 $95,453 24,064 $0
2007-12 0 $0 139 $72,361 900 $150,837
2007-10 0 $0 0 $0 416 $0
2007-04 0 $0 0 $0 2,105 $0
2007-03 2 $1,123 0 $0 0 $0
2007-01 0 $0 0 $0 2,613 $0
2006-12 100 $58,000 0 $0 0 $0
2006-10 0 $0 0 $0 411 $0
2006-05 4,325 $0 0 $0 0 $0
2006-04 200 $101,600 0 $0 0 $0
2005-12 1,292 $771,402 0 $0 0 $0
2005-11 300 $185,000 12,000 $7,428,000 0 $0
2005-09 0 $0 100,000 $65,500,000 0 $0
2005-03 0 $0 10,000 $6,510,019 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of White Mountains Insurance Group Ltd insiders (WTM)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2017-11-20 Frinquelli Angelo Michael (Director) Sale 100 875.00 87,500
2017-01-19 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 4,000 742.00 2,968,000
2017-01-18 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 5,000 742.00 3,710,000
2017-01-17 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 4,000 742.00 2,968,000
2017-01-13 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2017-01-12 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2017-01-11 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2017-01-10 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2017-01-09 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2017-01-06 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2017-01-05 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2017-01-04 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2017-01-03 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-12-29 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 1,000 742.00 742,000
2016-12-28 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 1,000 742.00 742,000
2016-12-27 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 1,000 742.00 742,000
2016-12-23 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 2,000 742.00 1,484,000
2016-12-22 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 1,000 742.00 742,000
2016-12-21 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 1,000 742.00 742,000
2016-12-20 Barrette Raymond Joseph Rene (Chief Executive Officer) Sale 1 860.00 860
2016-12-19 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 2,000 742.00 1,484,000
2016-12-16 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 2,000 742.00 1,484,000
2016-12-15 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-12-14 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-12-13 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 4,000 742.00 2,968,000
2016-12-12 Barrette Raymond Joseph Rene (Chief Executive Officer) Sale 2,000 867.89 1,735,780
2016-12-12 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 5,000 742.00 3,710,000
2016-12-09 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-12-08 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-12-07 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-12-06 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-12-05 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-12-02 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-12-01 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-30 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-29 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-28 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-25 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-23 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-22 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-21 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-18 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-17 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-16 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-11-15 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 3,000 742.00 2,226,000
2016-08-04 Palmer Jess Brian (Chief Accounting Officer) Sale 1,370 820.90 1,124,633
2015-12-01 Oberting Kernan V (Managing Director) Sale 800 804.99 643,992
2015-11-17 Barrette Raymond Joseph Rene (Chief Executive Officer) Sale 3,100 771.78 2,392,527
2015-11-16 Barrette Raymond Joseph Rene (Chief Executive Officer) Sale 2,800 758.42 2,123,567
2015-11-03 Barrette Raymond Joseph Rene (Chief Executive Officer) Sale 600 779.35 467,611
2015-09-10 Oberting Kernan V (Managing Director) Sale 1,000 762.88 762,875
2015-09-09 Rountree George Manning (Managing Director) Sale 1,639 751.40 1,231,551
2015-09-08 Rountree George Manning (Managing Director) Sale 2,361 751.86 1,775,150
2015-08-20 Davis Morgan W (Director) Sale 300 730.35 219,103
2014-08-05 Oberting Kernan V (Managing Director) Sale 100 621.49 62,149
2013-11-22 Campbell Reid Tarlton (Managing Director) Sale 700 603.88 422,716
2013-11-21 Campbell Reid Tarlton (Managing Director) Sale 700 603.12 422,184
2013-05-15 Campbell Reid Tarlton (Managing Director) Sale 3,200 607.45 1,943,852
2013-05-06 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 100 575.00 57,500
2013-04-09 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 70 585.00 40,950
2013-03-06 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 100 575.00 57,500
2012-12-19 Davis Morgan W (Director) Sale 1,000 521.06 521,058
2012-12-17 Davis Morgan W (Director) Sale 1,000 519.00 519,000
2012-12-17 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 1,000 519.00 519,000
2012-12-07 Campbell Reid Tarlton (Managing Director) Sale 900 519.01 467,109
2012-12-07 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 900 519.01 467,109
2012-08-09 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 276 513.88 141,829
2012-08-08 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 600 513.98 308,386
2012-02-14 Davis Morgan W (Director) Buy 3,000 464.06 1,392,180
2011-12-27 Campbell Reid Tarlton (Managing Director) Sale 1,600 451.28 722,043
2011-12-19 Frinquelli Angelo Michael (Director) Buy 100 423.60 42,360
2011-12-19 Davis Morgan W (Director) Buy 5,000 427.86 2,139,300
2011-12-02 Campbell Reid Tarlton (Managing Director) Sale 500 425.51 212,753
2011-11-29 Davis Morgan W (Director) Sale 4,893 411.57 2,013,831
2011-10-11 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 36 425.00 15,300
2011-09-19 Rountree George Manning (Managing Director) Sale 1,607 396.00 636,372
2011-07-13 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 40 425.00 17,000
2011-06-07 Campbell Reid Tarlton (Managing Director) Sale 500 402.15 201,074
2011-05-27 Waters Allan Lewis (CEO - WTM Re) Buy 2,000 402.00 804,000
2011-05-27 Barrette Raymond Joseph Rene (Chief Executive Officer) Sale 2,500 402.00 1,005,000
2010-10-22 Frinquelli Angelo Michael (Director) Option Ex 101 .00 0
2010-08-16 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 32 301.00 9,632
2010-08-02 Brouillette Yves (Director) Buy 1,000 318.73 318,729
2010-05-05 Seelig Robert Lawrence (Managing Dir & General Counsel) Buy 200 329.38 65,875
2010-05-03 Frinquelli Angelo Michael (Director) Buy 100 343.00 34,300
2010-01-08 Frinquelli Angelo Michael (Director) Option Ex 102 .00 0
2009-12-24 Seelig Robert Lawrence (Managing Dir & General Counsel) Buy 50 330.03 16,501
2009-12-23 Campbell Reid Tarlton (Managing Director & President) Sale 100 334.08 33,408
2009-12-23 Seelig Robert Lawrence (Managing Dir & General Counsel) Buy 100 332.51 33,251
2009-12-09 Davis Morgan W (Director) Sale 2,500 316.15 790,375
2009-12-08 Frinquelli Angelo Michael (Director) Buy 100 314.88 31,488
2009-09-22 Frinquelli Angelo Michael (Director) Buy 100 300.00 30,000
2009-07-13 Cochran Robert Phillips (Director) Sale 4,455 223.39 995,202
2009-07-10 Cochran Robert Phillips (Director) Sale 3,000 222.44 667,335
2009-06-09 Brouillette Yves (Director) Buy 1,000 210.00 210,000
2009-05-11 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 1,000 216.47 216,474
2009-03-31 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 1,000 170.58 170,579
2009-03-30 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 190 167.38 31,802
2009-03-25 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 900 179.13 161,220
2009-03-18 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 768 175.16 134,519
2009-03-16 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 500 170.00 85,000
2009-03-11 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 500 154.00 77,000
2009-03-09 Frinquelli Angelo Michael (Director) Buy 100 151.00 15,100
2009-03-09 Davis Morgan W (Director) Buy 1,000 151.28 151,275
2009-03-09 Seelig Robert Lawrence (Managing Dir & General Counsel) Buy 76 149.08 11,330
2009-03-09 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 85 150.00 12,750
2009-03-06 Seelig Robert Lawrence (Managing Dir & General Counsel) Buy 74 156.00 11,544
2009-03-02 Brouillette Yves (Director) Buy 1,000 195.00 195,000
2009-03-02 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 200 200.00 39,999
2009-02-25 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 700 196.91 137,834
2009-02-18 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 1,200 220.95 265,137
2009-01-09 Smith Lowndes Andrew (Director) Option Ex 102 .00 0
2009-01-09 Davis Morgan W (Director) Option Ex 4,619 .00 0
2009-01-09 Holiday Edith E (Director) Option Ex 202 .00 0
2008-12-27 Campbell Reid Tarlton (Managing Director & President) Option Ex 1,800 182.97 329,350
2008-10-31 General Reinsurance Corp (10% Owner) Sale 1,634,921 .00 0
2008-10-13 Waters Allan Lewis (CEO - WTM Re) Buy 1,600 330.00 528,000
2008-10-13 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 6,061 330.00 2,000,130
2008-06-20 Seelig Robert Lawrence (Vice Pres. & General Counsel) Buy 200 443.69 88,739
2008-06-20 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 2,000 443.16 886,326
2008-04-23 Cochran Robert Phillips (Director) Sale 10,100 463.52 4,681,582
2008-03-28 Davis Morgan W (President, American Centennial) Sale 200 477.27 95,453
2008-03-12 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 1,600 461.75 738,795
2008-03-11 Waters Allan Lewis (CEO - WTM Re) Buy 1,000 456.50 456,500
2008-03-11 Seelig Robert Lawrence (Vice Pres. & General Counsel) Buy 300 459.21 137,763
2008-03-11 Barrette Raymond Joseph Rene (Chief Executive Officer) Buy 400 460.00 184,000
2008-03-07 Gillespie John Davies (Director) Option Ex 2,928 .00 0
2008-03-04 Barrette Raymond Joseph Rene (Chief Executive Officer) Option Ex 21,136 .00 0
2007-12-27 Campbell Reid Tarlton (Managing Director & President) Option Ex 900 167.60 150,837
2007-12-05 Tolman Gary Charles (Pres & CEO - Esurance) Sale 139 520.59 72,361
2007-10-05 Gillespie John Davies (Director) Option Ex 416 .00 0
2007-04-05 Davis Morgan W (President, American Centennial) Option Ex 2,105 .00 0
2007-03-07 Tolman Gary Charles (Pres & CEO - Esurance) Buy 2 561.95 1,123
2007-01-11 Barrette Raymond Joseph Rene (Director) Option Ex 2,613 .00 0
2006-12-21 Frinquelli Angelo Michael (Director) Buy 100 580.00 58,000
2006-10-05 Gillespie John Davies (Director) Option Ex 411 .00 0
2006-05-17 Byrne John Joseph (Director) Buy 4,325 .00 0
2006-04-28 Seelig Robert Lawrence (Vice Pres. & General Counsel) Buy 200 508.00 101,600
2005-12-07 Tolman Gary Charles (CEO - Esurance) Buy 99 598.50 59,251
2005-12-06 Tolman Gary Charles (CEO - Esurance) Buy 1,193 596.94 712,151
2005-11-18 Frinquelli Angelo Michael (Director) Buy 200 616.00 123,200
2005-11-09 Gillespie John Davies (Director) Sale 12,000 619.00 7,428,000
2005-11-08 Frinquelli Angelo Michael (Director) Buy 100 618.00 61,800
2005-09-08 Byrne John Joseph (Director) Sale 100,000 655.00 65,500,000
2005-03-15 Byrne John Joseph (Director) Sale 10,000 651.00 6,510,019

Insider trading activities including stock purchases, stock sales, and option exercises of WTM listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of White Mountains Insurance Group Ltd (symbol WTM, CIK number 776867) see the Securities and Exchange Commission (SEC) website.