Comments
Loading...

White Mountains Insurance Insider Trading Activity

WTMNYSE
Logo brought to you by Benzinga Data
$2068.17
13.660.66%
At close: Dec 15, 4:00 PM EST
$2068.17
N/A
After Hours: 4:07 PM EST
White Mountains Insurance (WTM) sold assets to CVC Capital Partners on Monday, December 8, 2025 for $1.75B

White Mountains Insurance Insider Trading Activity | NYSE:WTM | Benzinga

Track the latest White Mountains Insurance insider trading activity. Stay informed on recent buys, sells, and market impact for White Mountains Insurance stock.

What is Insider Activity?

Insider trading activity involves company insiders, such as executives, directors, and employees, engaging in transactions of their own company's stock. Insiders' buy and sell transactions provide valuable insights into their confidence in the company's future performance.

What are White Mountains Insurance Group Ltd Insiders Doing?

Insiders have report no purchases/sales in the last 30 days.

Notable Recent Insider Buys and Sales

There has been no Insider buying or selling in the last 90 days.

Ownership Statistics for White Mountains Insurance Group Ltd

Shares Outstanding
2.544M
Insider Shares Owned
479.452K
Insider Percentage Owned
18.8%
Institutional Shares Held
1.564M
Institutional Percentage Held
61.5%
Nov 20, 2023Weston HicksDIRECTOR1.00K$1.48K$1.48MBUY76.57%2.31KNov 17View
Dec 27, 2022Michaela HildrethMD & CHIEF ACCOUNTING OFFICER-100.00$1.37K-$137.18KSELL-6.35%1.48KDec 22View
Sep 22, 2022Peter CarlsonDIRECTOR-200.00$1.40K-$280.00KSELL-20.24%788.00Sep 20View
Sep 22, 2022MORGAN DAVISDIRECTOR-945.00$1.40K-$1.32MSELL-10.64%7.94KSep 20View
Jun 01, 2022Michaela HildrethMD & CHIEF ACCOUNTING OFFICER-100.00$1.27K-$127.09KSELL-5.97%1.57KMay 31View
Feb 11, 2021MORGAN DAVISDIRECTOR-1.50K$1.13K-$1.70MSELL-15.15%8.40KFeb 09View
Mar 25, 2020MORGAN DAVIS1.05K$757.61$795.49KPURCHASE12.15%9.69KMar 24View
Dec 11, 2019ANDREW LOWNDES SMITHDIRECTOR-200.00$1.11K-$221.15KSELL-15.36%1.10KDec 10View
Aug 09, 2019ANDREW LOWNDES SMITHDIRECTOR-1.00K$1.09K-$1.09MSELL-43.44%1.30KAug 08View
Jun 26, 2019LAWRENCE ROBERT SEELIGEVP & GENERAL COUNSEL-1.00K$1.05K-$1.05MSELL-7.64%12.08KJun 24View
Jun 20, 2019BRIAN JESS PALMERCHIEF ACCOUNTING OFFICER-741.00$1.02K-$438.14KSELL-31.72%1.59KJun 10 - Jun 18View
Jun 10, 2019ANDREW LOWNDES SMITHDIRECTOR-500.00$1.00K-$502.35KSELL-17.84%2.30KJun 10View
May 10, 2019LAWRENCE ROBERT SEELIGEVP & GENERAL COUNSEL-1.08K$977.98-$1.06MSELL-7.65%13.08KMay 09View
Apr 25, 2019MORGAN DAVISDIRECTOR-1.25K$918.22-$1.15MSELL-11.48%9.64KApr 23 - Apr 25View
Apr 17, 2019MORGAN DAVISDIRECTOR-354.00$912.90-$323.17KSELL-3.15%10.89KApr 16View
Apr 12, 2019MORGAN DAVISDIRECTOR-997.00$916.14-$913.39KSELL-8.15%11.24KApr 10 - Apr 12View
Apr 05, 2019MORGAN DAVISDIRECTOR-910.00$923.65-$840.52KSELL-6.92%12.24KApr 04View
Apr 02, 2019MORGAN DAVISDIRECTOR-1.21K$924.40-$1.12MSELL-8.45%13.15KApr 01 - Apr 02View
Mar 28, 2019MORGAN DAVISDIRECTOR-601.00$922.66-$554.52KSELL-4.02%14.36KMar 27View
Mar 27, 2019Allen David TannerDIRECTOR500.00$918.45$459.22KBUY265.96%688.00Mar 26View
Mar 26, 2019ANDREW LOWNDES SMITHDIRECTOR-400.00$916.70-$366.68KSELL-13.55%2.55KMar 26View
Mar 25, 2019MORGAN DAVISDIRECTOR-709.00$914.00-$648.03KSELL-4.52%14.96KMar 22View
Mar 20, 2019MORGAN DAVISDIRECTOR-954.00$925.21-$882.65KSELL-5.74%15.67KMar 19View
Mar 14, 2019MORGAN DAVISDIRECTOR-631.00$907.94-$572.91KSELL-3.66%16.63KMar 13View
Mar 13, 2019Yves BrouilletteDIRECTOR-3.36K$908.51-$3.05MSELL-47.48%3.72KMar 11 - Mar 12View
Mar 07, 2019LAWRENCE ROBERT SEELIGEVP & GENERAL COUNSEL-2.00K$954.29-$1.91MSELL-12.38%14.16KMar 05 - Mar 06View
Dec 21, 2018ANDREW LOWNDES SMITHDIRECTOR-200.00$845.85-$169.17KSELL-6.35%2.95KDec 20View
May 16, 2018MORGAN DAVISDIRECTOR-1.10K$890.49-$979.54KSELL-6.00%17.24KMay 15View
May 09, 2018LAWRENCE ROBERT SEELIGEVP & GENERAL COUNSEL-3.00K$875.00-$2.58MSELL-16.61%15.04KMay 04 - May 07View
Dec 28, 2017MORGAN DAVISDIRECTOR-350.00$846.21-$296.17KSELL-1.66%20.79KDec 27View
Nov 22, 2017Michael Angelo FrinquelliDIRECTOR-100.00$875.00-$87.50KSELL-25.00%300.00Nov 20View
Dec 20, 2016RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER-5.00$794.39$4.72SELL-0.06%8.72KDec 16 - Dec 20View
Dec 12, 2016RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER-472.00$802.33-$1.73MSELL-5.14%8.72KDec 08 - Dec 12View
Aug 05, 2016BRIAN JESS PALMERCHIEF ACCOUNTING OFFICER-1.37K$820.89-$1.12MSELL-49.03%1.42KAug 04View
Apr 29, 2016RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER100.00$825.00$82.50KBUY0.37%27.16KApr 28View
Dec 03, 2015Kernan Oberting VMANAGING DIRECTOR-800.00$804.99-$643.99KSELL-48.57%847.00Dec 01View
Nov 18, 2015RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER-5.90K$765.31-$4.52MSELL-18.74%25.58KNov 16 - Nov 17View
Nov 05, 2015RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER-4.52K$777.82-$466.69KSELL-12.55%31.48KFeb 23 - Nov 03View
Sep 14, 2015Kernan Oberting VMANAGING DIRECTOR-1.00K$762.88-$762.88KSELL-37.78%1.65KSep 10View
Sep 10, 2015Manning George RountreeMANAGING DIRECTOR-4.00K$751.11-$3.00MSELL-63.22%2.33KSep 08 - Sep 09View
Aug 24, 2015MORGAN DAVISDIRECTOR-300.00$730.35-$219.10KSELL-1.35%22.00KAug 20View
Aug 06, 2014Kernan Oberting VMANAGING DIRECTOR-100.00$621.49-$62.15KSELL-90.09%11.00Aug 05View
Nov 25, 2013TARLTON REID CAMPBELLMANAGING DIRECTOR-1.40K$603.47-$844.86KSELL-25.15%4.17KNov 21 - Nov 22View
May 17, 2013TARLTON REID CAMPBELLMANAGING DIRECTOR-3.20K$606.43-$1.94MSELL-36.50%5.57KMay 15View
May 07, 2013RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER100.00$575.00$57.50KBUY0.45%22.15KMay 06View
Apr 11, 2013RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER70.00$585.00$40.95KBUY0.32%22.04KApr 09View
Mar 08, 2013RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER100.00$575.00$57.50KBUY0.52%19.31KMar 06View
Dec 19, 2012MORGAN DAVISDIRECTOR-2.40K$520.02-$1.04MSELL-9.88%21.89KDec 17 - Dec 19View
Dec 19, 2012RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER1.00K$519.00$519.00KBUY5.70%18.53KDec 17View
Dec 10, 2012TARLTON REID CAMPBELLMANAGING DIRECTOR-900.00$519.01-$467.11KSELL-10.64%7.56KDec 07View
Dec 10, 2012RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER-7.10K$519.01$467.11KGRANT-28.83%17.53KNov 26 - Dec 07View
Aug 10, 2012RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER-1.46K$481.92-$602.93KTAX-17.98%6.67KJan 20 - Aug 09View
Feb 16, 2012MORGAN DAVISDIRECTOR3.00K$463.93$1.39MBUY14.22%24.09KFeb 14View
Dec 28, 2011TARLTON REID CAMPBELLMANAGING DIRECTOR-1.60K$450.96-$721.54KSELL-15.91%8.45KDec 27View
Dec 21, 2011Michael Angelo FrinquelliDIRECTOR100.00$423.60$42.36KBUY14.29%800.00Dec 19View
Dec 21, 2011MORGAN DAVISDIRECTOR4.60K$429.34$2.15MBUY27.90%21.09KDec 14 - Dec 19View
Dec 05, 2011TARLTON REID CAMPBELLMANAGING DIRECTOR-500.00$425.61-$212.80KSELL-4.74%10.05KDec 02View
Dec 01, 2011MORGAN DAVISDIRECTOR-4.89K$410.51-$2.01MSELL-22.88%16.49KNov 29View
Oct 13, 2011RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER36.00$425.00$15.30KBUY0.10%35.74KOct 11View
Sep 20, 2011Manning George RountreeMANAGING DIRECTOR-1.61K$396.00-$636.37KSELL-47.80%1.75KSep 19View
Jul 15, 2011RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER40.00$425.00$17.00KBUY0.11%35.70KJul 13View
Jun 09, 2011TARLTON REID CAMPBELLMANAGING DIRECTOR-500.00$402.16-$201.08KSELL-4.52%10.55KJun 07View
May 31, 2011LEWIS ALLAN WATERSCEO - WTM RE2.00K$402.00$804.00KBUY44.52%6.49KMay 27View
May 31, 2011RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER-8.00K$402.00-$1.00MSELL-47.08%8.99KMay 05 - May 27View
Aug 24, 2010RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER32.00$301.00$9.63KBUY0.09%34.03KAug 16View
Aug 05, 2010Yves BrouilletteDIRECTOR1.00K$318.73$318.73KBUY36.56%3.73KAug 02View
May 06, 2010LAWRENCE ROBERT SEELIGMANAGING DIR & GENERAL COUNSEL200.00$329.38$65.88KBUY14.95%1.54KMay 05View
May 03, 2010Michael Angelo FrinquelliDIRECTOR100.00$343.00$34.30KBUY33.33%400.00May 03View
Dec 28, 2009LAWRENCE ROBERT SEELIGMANAGING DIR & GENERAL COUNSEL150.00$331.68$49.75KBUY13.18%1.29KDec 23 - Dec 24View
Dec 28, 2009TARLTON REID CAMPBELLMANAGING DIRECTOR & PRESIDENT800.00$261.18$136.05KSELL-OPTIONS29.24%3.54KDec 27 - Dec 23View
Dec 11, 2009MORGAN DAVISDIRECTOR-2.50K$316.15-$790.38KSELL-10.27%21.83KDec 09View
Dec 09, 2009Michael Angelo FrinquelliDIRECTOR100.00$314.88$31.49KBUY25.00%500.00Dec 08View
Sep 22, 2009Michael Angelo FrinquelliDIRECTOR100.00$300.00$30.00KBUY20.00%600.00Sep 22View
Jul 14, 2009PHILLIPS ROBERT COCHRANDIRECTOR-7.46K$223.01-$1.66MSELL-49.05%7.75KJul 10 - Jul 13View
Jun 10, 2009PHILLIPS ROBERT COCHRANDIRECTOR-10.00K$463.77-$4.68MSELL-97.09%300.00Apr 23 - Jun 08View
Jun 10, 2009Yves BrouilletteDIRECTOR1.10K$210.00$210.00KBUY71.66%2.63KJun 08 - Jun 09View
May 13, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER1.00K$216.46$216.46KBUY3.53%29.34KMay 11View
Apr 01, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER1.00K$170.58$170.58KBUY3.66%28.32KMar 31View
Mar 31, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER190.00$167.38$31.80KBUY26.65%903.00Mar 30View
Mar 26, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER900.00$179.12$161.21KBUY3.41%27.31KMar 25View
Mar 20, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER768.00$175.03$134.42KBUY3.19%24.88KMar 18View
Mar 17, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER500.00$170.00$85.00KBUY253.81%697.00Mar 16View
Mar 12, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER500.00$154.00$77.00KBUY1.93%26.41KMar 11View
Mar 10, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER85.00$150.00$12.75KBUY98.84%171.00Mar 09View
Mar 10, 2009MORGAN DAVISDIRECTOR1.00K$151.21$151.21KBUY4.30%24.23KMar 09View
Mar 10, 2009Michael Angelo FrinquelliDIRECTOR100.00$151.00$15.10KBUY25.00%500.00Mar 09View
Mar 10, 2009LAWRENCE ROBERT SEELIGMANAGING DIR & GENERAL COUNSEL150.00$152.49$22.87KBUY17.08%1.03KMar 06 - Mar 09View
Mar 04, 2009Yves BrouilletteDIRECTOR1.00K$195.00$195.00KBUY186.92%1.53KMar 02View
Mar 03, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER200.00$200.00$40.00KBUY107.53%386.00Mar 02View
Feb 26, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER700.00$197.36$138.15KBUY2.78%25.88KFeb 25View
Feb 20, 2009RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER1.20K$220.93$265.12KBUY5.00%25.18KFeb 18View
Nov 03, 2008BERKSHIRE HATHAWAY INCWARREN BUFFETTGENERAL RE CORPGENERAL REINSURANCE CORP10% OWNER-1.63M$0.00$0.00SELL-94.82%89.28KOct 31View
Oct 15, 2008RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER6.06K$330.00$2.00MBUY33.85%23.96KOct 13View
Oct 15, 2008LEWIS ALLAN WATERSCEO - WTM RE1.60K$330.00$528.00KBUY720.00Oct 13View
Jun 24, 2008LAWRENCE ROBERT SEELIGVICE PRES. & GENERAL COUNSEL200.00$443.20$88.64KBUY30.96%846.00Jun 20View
Jun 24, 2008RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER2.00K$443.30$886.59KBUY7.72%27.90KJun 20View
Mar 31, 2008MORGAN DAVISPRESIDENT, AMERICAN CENTENNIAL-200.00$477.27-$95.45KSELL-0.98%20.18KMar 28View
Mar 13, 2008RENE JOSEPH RAYMOND BARRETTECHIEF EXECUTIVE OFFICER2.00K$460.35$920.70KBUY6.92%30.89KMar 11 - Mar 12View
Mar 13, 2008LAWRENCE ROBERT SEELIGVICE PRES. & GENERAL COUNSEL2.30K$459.21$137.76KBUY2.14KFeb 27 - Mar 11View
Mar 13, 2008LEWIS ALLAN WATERSCEO - WTM RE1.00K$456.50$456.50KBUY77.40%2.29KMar 11View
Dec 06, 2007Charles Gary TolmanPRES & CEO - ESURANCE-281.00$520.03-$72.28KSELL-17.92%1.29KJun 29 - Dec 05View
Mar 08, 2007Charles Gary TolmanPRES & CEO - ESURANCE2.00$561.95$1.12KBUY1.44%141.00Mar 07View
Dec 21, 2006Michael Angelo FrinquelliDIRECTOR100.00$580.00$58.00KBUY33.33%400.00Dec 21View
May 19, 2006John J. ByrneDIRECTOR3.77K$0.00$0.00BUY679.64%4.33KJan 19 - May 17View
May 01, 2006LAWRENCE ROBERT SEELIGVICE PRES. & GENERAL COUNSEL200.00$508.00$101.60KBUY222.22%290.00Apr 28View
Dec 08, 2005Charles Gary TolmanPRES & CEO - ESURANCE99.00$598.50$59.25KBUY13.49%833.00Dec 07View
Dec 06, 2005Charles Gary TolmanPRES & CEO - ESURANCE1.19K$596.97$712.18KBUY874.00Dec 06View
Nov 21, 2005Michael Angelo FrinquelliDIRECTOR200.00$616.00$123.20KBUY200.00%300.00Nov 18View
Nov 14, 2005BRUCE BERKOWITZDIRECTOR-13.00K$629.02-$8.18MSELL-15.57%70.50KNov 11View
Nov 10, 2005Michael Angelo FrinquelliDIRECTOR100.00$618.00$61.80KBUY100.00Nov 08View
Nov 10, 2005DAVIES JOHN GILLESPIEDIRECTOR-12.00K$619.00-$7.43MSELL-19.35%50.02KNov 09View
Sep 12, 2005John J. ByrneDIRECTOR-197.76K$655.00-$65.50MSELL-98.78%2.44KMay 03 - Sep 08View
May 03, 2005John J. ByrneDIRECTOR-108.45K$650.51-$6.51MSELL-20.32%425.26KMar 15 - May 03View
Mar 09, 2005John J. ByrneDIRECTOR-5.50K$671.86-$3.36MSELL-1.32%411.84KFeb 17 - Mar 07View
Nov 02, 2004EDITH HOLIDAYDIRECTOR200.00$526.29$105.26KBUY200.00Nov 02View
May 06, 2004ANDREW LOWNDES SMITHDIRECTOR1.00K$506.42$506.42KBUY1.00KMay 06View
Mar 11, 2004THOMAS KARL KEMPDIRECTOR-1.00K$479.10-$479.10KSELL-1.62%60.64KMar 11View
Feb 12, 2004THOMAS KARL KEMPDIRECTOR-1.00K$460.13-$460.13KSELL-1.60%61.64KFeb 12View
Jan 08, 2004THOMAS KARL KEMPDIRECTOR-1.00K$462.79-$462.79KSELL-1.57%62.64KJan 08View
Dec 12, 2003THOMAS KARL KEMPDIRECTOR-1.00K$455.01-$455.01KSELL-1.52%64.84KDec 11View
Nov 13, 2003THOMAS KARL KEMPDIRECTOR-1.00K$423.11-$423.11KSELL-1.54%64.06KNov 13View
Oct 17, 2003JAMES MARK BYRNEDIRECTOR500.00$424.80$212.40KBUY0.23%222.16KOct 16View
Oct 10, 2003John J. ByrneDIRECTOR100.00$428.00$42.80KBUY0.02%426.10KOct 08View
Oct 09, 2003THOMAS KARL KEMPDIRECTOR-1.00K$418.63-$418.63KSELL-1.51%65.06KOct 09View
Sep 11, 2003THOMAS KARL KEMPDIRECTOR-1.00K$394.00-$394.00KSELL-1.49%66.06KSep 11View
Aug 14, 2003THOMAS KARL KEMPDIRECTOR-1.00K$396.40-$396.40KSELL-1.47%67.06KAug 14View

FAQ

Q

Is insider trading legal?

A
Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.
Q

What are some examples of market manipulation?

A
Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.

Browse insider trades on all stocks.

WTM Insider Trading News