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White Mountains Insurance Group Ltd. 
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  SEC # 776867

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1,616  SEC Filings
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  from  2/9/94  to  4/10/24  (Last Week)

  List All Filings  or
  Filer / Offerer   Owner / Insider   Issuer / Subject Company   Filing Agent   
 
Most-Recent Filing:    ‘8-K’ — Current Report — Form 8-K — Filed as:  Filer / Offerer 
 
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notifications of all
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Filings
involving  White Mountains Insurance Group Ltd. 

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Forms
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, Documents
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& Exhibits
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 in  861 Filings
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 Filed as:  Filer / Offerer  or  Owner / Insider


        
Latest Filing  Type    Category    Description        Documents
     
4/10/24 New Document this Past Month!8-KUpdate:  Current Reports — Form 8-K  New Document this Past Month!  — Press Releases
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& Conference Calls
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 — Financial Reports
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325

8-K Items: 
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10/20/23
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  Business & Operations: 
Entry into a Material Definitive Agreement — Item 1.01 — ‘EX-10’
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22
6/20/05 OLD"Termination of a Material Definitive Agreement — Item 1.02  OLD  — ‘EX-10’
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1
8/5/22 OLD
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  Financial Info: 
Completion of Acquisition or Disposition of Assets — Item 2.01  OLD  — ‘EX-2’
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8
2/7/24"Results of Operations and Financial Condition — Item 2.02 — Financial Reports
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82
4/10/24 New Document this Past Month!
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  Governance & Management: 
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers — Item 5.02  New Document this Past Month!  — List of Directors & Officers
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53
9/15/17 OLD"Temporary Suspension of Trading Under Registrant’s Employee Benefit Plans — Item 5.04  OLD 1
5/25/23"Submission of Matters to a Vote of Security Holders — Item 5.0716
6/6/23
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  Disclosures: 
Regulation FD Disclosure — Item 7.01 — ‘EX-99’
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37
1/2/24
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  Events: 
Other Events — Item 8.0145
4/10/24 New Document this Past Month!
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  Financials: 
Financial Statements and Exhibits — Item 9.01  New Document this Past Month!  — Financial Reports
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175

4/4/24 New Document this Past Month!ARSUpdate:  Annual Reports to Security Holders  New Document this Past Month! 12
4/4/24 New Document this Past Month!DEF 14AProxy:  Definitive Proxy Statements — Schedule 14A  New Document this Past Month!  — Financial Reports
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30
2/26/2410-KUpdate:  Annual Reports — Form 10-K — Financial Reports
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32
2/13/2413F-HROwnership:  Quarterly Holdings and Combination Reports by Money Managers — Form 13F — Assets Under Management
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61
1/2/24SC 13DOwnership:  Statements of Acquisitions of Beneficial Ownership by “Active” Investors — Schedule 13D53
11/6/2310-QUpdate:  Quarterly Reports — Form 10-Q — Financial Reports
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88
6/30/234Ownership:  Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 414
6/30/23SC TO-TOwnership:  Tender-Offer Statements by Third Parties — Schedule TO3
6/15/2311-KUpdate:  Annual Reports by Employee Stock Purchase, Savings and Similar Plans — Form 11-K39
5/10/23DEFA14AProxy:  Definitive Additional Proxy Soliciting Materials — Schedule 14A3
4/6/23 OLDDEFR14AProxy:  Definitive Revised Proxy Soliciting Materials — Schedule 14A  OLD  — Financial Reports
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2
2/10/23 OLDSC 13GOwnership:  Statements of Acquisitions of Beneficial Ownership by “Passive” Investors — Schedule 13G  OLD 35
9/26/22 OLDSC TO-IOwnership:  Tender-Offer Statements by Issuers — Schedule TO  OLD 30
12/29/20 OLDS-8 POSRegistration:  Post-Effective Amendments of Form S-8 Registrations  OLD 15
11/12/20 OLD13F-NTOwnership:  Quarterly Holdings Notices by Money Managers — Form 13F  OLD  — Assets Under Management
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39
10/28/20 OLD3Ownership:  Initial Statements of Beneficial Ownership of Securities by Insiders — Form 3  OLD 5
6/10/20 OLDCORRESPComment:  Comment-Response and Other Letters to the SEC  [ a.k.a. COVER ]  OLD  — All Correspondence with the SEC
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18
4/10/18 OLDSC TO-COwnership:  Tender-Offer Communications by Issuers and Third Parties — Schedule TO  OLD 5
9/15/17 OLDS-8Registration:  Registration Statements – Securities for Certain Employee Benefit Plans — Form S-8  OLD 13
3/21/08 OLDPRE 14AProxy:  Preliminary Proxy Statements — Schedule 14A  OLD 5
7/17/03 OLDS-3Registration:  Registration Statements – Securities for Transactions — Form S-3  OLD 9
5/16/03 OLD424B3Registration:  Prospectuses – New Facts or Events  OLD 4
6/21/01 OLDNT 11-KUpdate:  Notices of Late Filings of Form 11-K Annual Reports — Form 12b-25  OLD 3
12/16/99 OLD8-A12BRegistration:  Registration Statement for a Class of Securities — Form 8-A  OLD 1
9/27/99 OLDDEFM14AProxy:  Definitive Proxy Statement – Merger or Acquisition — Schedule 14A  OLD 1
12/8/97 OLDSC 13E4Ownership:  Tender-Offer Statements by Issuers — Schedule 13E-4  OLD 14
3/29/96 OLD10-K405Update:  Annual Reports — Reg. S-K – Item 405 — Form 10-K  OLD 2

Form-Specific Documents: 
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2/13/24INFO-TABLEPortfolio Securities Holdings – Info Tables — Form 13F — Assets Under Management
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24

General Exhibits: 
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4/10/24 New Exhibit this Past Month!EX-10Material Contracts  New Exhibit this Past Month! 172
2/26/24EX-97Clawback Policy re: Recovery of Erroneously Awarded Compensation1
2/26/24EX-23Consents of Experts and Counsel120
2/26/24EX-4Instruments, Including Indentures, Defining the Rights of Security Holders46
2/26/24EX-24Powers of Attorney58
2/26/24EX-21Subsidiaries Lists31
6/30/23EX-FILING FEESFiling Fees3
5/10/22 OLDEX-2Plans of Acquisitions, Reorganizations, Arrangements, Liquidations and Successions  OLD 6
5/2/17 OLDEX-3Articles of Incorporation/Organization and Bylaws  OLD 7
2/29/16 OLDEX-14Codes of Ethics  OLD 2
2/28/13 OLDEX-1Underwriting Agreements  (and mislabeled “1st Exhibits”)  OLD 11
6/7/07 OLDEX-5Opinions of Counsel re: Legality  OLD 18
6/27/03 OLDEX-25Statements of Eligibility to Act as a Trustee — Forms T-1 & T-2  OLD 18
7/17/98 OLDEX-28Info from Reports Furnished to State Insurance Regulators  OLD 4
3/29/96 OLDEX-13Annual and Quarterly Reports to Security Holders  OLD 2

Additional Exhibits: 
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4/10/24 New Exhibit this Past Month!EX-99Miscellaneous Exhibits, such as Press Releases  New Exhibit this Past Month!  — Press Releases
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& Conference Calls
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513

Financials: 
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4/10/24 New Report this Past Month!XML  &  R#IDEA Financial Reports Info  New Report this Past Month!  — Financial Reports
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5,901
4/10/24 New Workbook this Past Month!EXCELIDEA Workbooks of Financial Reports Info  New Workbook this Past Month!  — Workbooks of Financial Reports
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120
4/10/24 New Exhibit this Past Month!EX-101.*XBRL Data  (XBRL Files)  New Exhibit this Past Month! 534
4/10/24 New Exhibit this Past Month!JSONXBRL Instances as JavaScript Object Notation Data  (JSON Files)  New Exhibit this Past Month! 79
4/10/24 New Folder this Past Month!ZIPXBRL Zipped Folders
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  (Folders of XBRL Files)  New Folder this Past Month! 
114
2/26/24EX-31Certifications — §302 – SOA’02170
2/26/24EX-32Certifications — §906 – SOA’02170
2/27/19 OLDEX-12Statements re: Computations of Ratios  OLD 18
11/14/00 OLDEX-27Financial Data Schedules {Pre-XBRL}  OLD  — Financial Reports
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29
3/30/99 OLDEX-16Letters re: Changes in Accountants  OLD 6
11/12/97 OLDEX-11Statements re: Computations of Earnings Per Share  OLD 12
5/24/95 OLDEX-18Letter re: a Change in Accounting Principles or Practices  OLD 1

Graphics: 
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4/10/24 New Graphic this Past Month!GRAPHICPhotos, Images and Graphs  New Graphic this Past Month! 3,263

History as a Money Manager:  Assets Under Management
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Forms
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, Documents
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& Exhibits
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 in  806 Filings
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 Filed re:  Issuer / Subject Company


        
New Filing!  List all Money Managers that own this Security Issuer:  CINS G9618E
 

        
Latest Filing  Type    Category    Description        Documents
     
3/21/24 New Document this Past Month!4Ownership:  Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 4  New Document this Past Month! 572
2/13/24SC 13GOwnership:  Statements of Acquisitions of Beneficial Ownership by “Passive” Investors — Schedule 13G106
5/26/233Ownership:  Initial Statements of Beneficial Ownership of Securities by Insiders — Form 333
9/26/22 OLDSC TO-IOwnership:  Tender-Offer Statements by Issuers — Schedule TO  OLD 30
4/10/18 OLDSC TO-COwnership:  Tender-Offer Communications by Issuers and Third Parties — Schedule TO  OLD 5
2/12/16 OLD5Ownership:  Annual Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 5  OLD 26
1/20/12 OLDSC 13DOwnership:  Statements of Acquisitions of Beneficial Ownership by “Active” Investors — Schedule 13D  OLD 3
12/8/97 OLDSC 13E4Ownership:  Tender-Offer Statements by Issuers — Schedule 13E-4  OLD 14

Letters: 
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6/17/20 OLDLETTERComment and Other Letters from the SEC  [ a.k.a. UPLOAD ]  OLD  — All Correspondence with the SEC17
6/17/20 OLDTEXT-EXTRACTComment and Other Letters from the SEC – PDFs’ Text  [ a.k.a. LETTER ]  OLD 2

General Exhibits: 
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5/26/23EX-24Powers of Attorney562
8/22/22 OLDEX-FILING FEESFiling Fees  OLD 1
1/31/07 OLDEX-1Underwriting Agreement or Conflict Minerals Report  (or mislabeled “1st Exhibit”)  OLD 1

Additional Exhibits: 
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9/26/22 OLDEX-99Miscellaneous Exhibits, such as Press Releases  OLD 141

Graphics: 
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9/26/22 OLDGRAPHICPhotos, Images and Graphs  OLD 30


        

Filings History

Year    # of Filings
In descending order
2024 23
2023 60
2022 54
2021 54
2020 63
2019 71
2018 58
2017 67
2016 66
2015 64
2014 43
2013 62
2012 60
2011 76
2010 62
2009 74
2008 65
2007 82
2006 73
2005 62
2004 60
2003 72
2002 33
2001 34
2000 32
1999 41
1998 15
1997 25
1996 21
1995 34
1994 10

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