Insider Holders & Insider Ownership - WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)

List of insiders holdings for WHITE MOUNTAINS INSURANCE GROUP LTD:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Insider Holder NameReport
Date Time
Shares Owned
Directly
Indirectly
Total
Shares Owned
Filing
BYRNE JOHN JOSEPH
10% Owner
2013-02-06 16:03:33207,396
429,721
637,117Form 3
BYRNE MARK JAMES
Director
2004-02-10 08:21:160
222,156
222,156Form 5
KEMP KARL THOMAS
Director
2004-03-26 08:33:5271,390
23,629
95,019Form 4
BERKSHIRE HATHAWAY INC
BUFFETT WARREN E
GENERAL RE CORP
GENERAL REINSURANCE CORP
10% Owner
2008-11-03 15:02:1689,279
0
89,279Form 13G
BARRETTE RAYMOND JOSEPH RENE
Chief Executive Officer
2017-03-03 16:07:4945,988
12,866
58,854Form 4
GILLESPIE JOHN DAVIES
Director
2015-02-11 14:55:193,025
50,014
53,039Form 5
FASS STEVE ELLIOTT
Director
2007-02-27 16:22:3733,104
4,043
37,147Form 4
FOY DAVID THOMAS
Chief Financial Officer
2017-05-26 16:33:1730,537
76
30,613Form 4
Rountree George Manning
Chief Executive Officer
2024-02-23 21:28:4123,676
117
23,793Form 4
WATERS ALLAN LEWIS
CEO - Sirius Int'l Ins. Group
2015-02-27 15:24:5713,854
8,120
21,974Form 4
SEELIG ROBERT LAWRENCE
EVP & General Counsel
2024-02-23 21:27:4719,701
582
20,283Form 4
CAMPBELL REID TARLTON
Director
2024-05-24 12:13:5915,340
119
15,459Form 4
ZANKEL ARTHUR
Director
2004-02-10 08:33:108,600
0
8,600Form 5
COCHRAN ROBERT PHILLIPS
Director
2011-05-31 17:34:368,045
0
8,045Form 4
DAVIS MORGAN W
Director
2022-12-29 09:26:526,709
1,030
7,739Form 4
Linker David
Chief Investment Officer
2017-03-03 16:24:296,153
15
6,168Form 4
Brouillette Yves
Director
2019-05-28 17:21:534,121
0
4,121Form 4
Oberting Kernan V
Managing Director
Director
2016-01-05 14:24:213,899
23
3,922Form 4
Hildreth Michaela
MD & Chief Accounting Officer
2024-02-23 21:27:173,823
15
3,838Form 4
Caffrey Liam P
EVP& Chief Financial Officer
2024-02-23 21:28:163,625
3
3,628Form 4
Bazos Frank R
EVP and Head of M&A
2020-03-02 16:16:493,600
0
3,600Form 4
PALMER JESS BRIAN
Chief Accounting Officer
2021-01-04 16:00:292,653
411
3,064Form 4
HOLIDAY EDITH E
Director
2020-05-22 16:05:512,827
0
2,827Form 4
Frinquelli Angelo Michael
Director
2017-11-22 10:07:551,641
1000
2,641Form 4
Tolman Gary Charles
Director
2018-05-25 12:44:041,822
798
2,620Form 4
Hicks Weston M
Director
2024-05-24 12:13:332,536
0
2,536Form 4
CHOKEL CHARLES BERGEN
CFO - White Mountains Re Group
2008-06-27 13:08:231,873
451
2,324Form 4
Tanner David Allen
Director
2024-05-24 12:16:441,958
0
1,958Form 4
CHOKSI MARY C
Director
2024-05-24 12:14:491,708
0
1,708Form 4
Gelston Philip A
Director
2024-05-24 12:15:501,583
0
1,583Form 4
CAVOORES JOHN PAUL
Pres & CEO, OneBeacon
2004-04-30 08:48:331,450
15
1,465Form 4
GILLESPIE GEORGE JOSEPH III
Director
2010-07-16 14:27:171,400
0
1,400Form 4
CLARK HOWARD LONGSTRETH JR
Director
2013-05-28 14:26:261,374
0
1,374Form 4
Carlson Peter M
Director
2024-05-24 12:14:261,133
0
1,133Form 4
SMITH LOWNDES ANDREW
Director
2019-12-11 16:31:491,102
0
1,102Form 4
Harrison Giles E
EVP & Chief Strategy Officer
2024-06-10 09:01:001000
0
1000Form 4
Dillon Margaret
Director
2024-05-24 12:15:15795
0
795Form 4
SHANK SUZANNE F.
Director
2024-05-24 12:16:16721
0
721Form 4
LUSARDI ROBERT R
EVP - White Mountains Capital
2009-03-26 16:14:18507
31
538Form 4
Yi Steven
Director
2024-05-24 12:17:14375
0
375Form 4
BERKOWITZ BRUCE R
former Director
Director
2010-04-28 14:40:42300
0
300Form 4
DORCUS MARK KEVIN
Pres - WM Advisors
2005-08-10 16:06:360
38
38Form 3
MILLER T MICHAEL
Pres & CEO - OneBeacon
2005-07-08 16:04:230
0
0Form 3
HUTTON TOM
President, White Mountains Re
2006-02-10 16:46:490
0
0Form 3