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Alleghany Corp./DE – ‘8-K’ for 3/1/21 – ‘XML’

On:  Wednesday, 3/3/21, at 4:19pm ET   ·   For:  3/1/21   ·   Accession #:  1193125-21-67625   ·   File #:  1-09371

Previous ‘8-K’:  ‘8-K’ on / for 2/23/21   ·   Next:  ‘8-K’ on / for 3/16/21   ·   Latest:  ‘8-K’ on / for 10/19/22   ·   2 References:   

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 3/03/21  Alleghany Corp./DE                8-K:5,8,9   3/01/21   11:160K                                   Donnelley … Solutions/FA

Current Report   —   Form 8-K
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 8-K         Current Report                                      HTML     28K 
 2: EX-99.1     Miscellaneous Exhibit                               HTML     12K 
 7: R1          Document and Entity Information                     HTML     47K 
 9: XML         IDEA XML File -- Filing Summary                      XML     11K 
 6: XML         XBRL Instance -- d122811d8k_htm                      XML     13K 
 8: EXCEL       IDEA Workbook of Financial Reports                  XLSX      6K 
 4: EX-101.LAB  XBRL Labels -- y-20210301_lab                        XML     55K 
 5: EX-101.PRE  XBRL Presentations -- y-20210301_pre                 XML     35K 
 3: EX-101.SCH  XBRL Schema -- y-20210301                            XSD     12K 
10: JSON        XBRL Instance as JSON Data -- MetaLinks               12±    19K 
11: ZIP         XBRL Zipped Folder -- 0001193125-21-067625-xbrl      Zip     12K 


‘XML’   —   XBRL Instance — d122811d8k_htm


This Document is an XBRL XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<xbrl xmlns="http://www.xbrl.org/2003/instance" xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink">
<link:schemaRef xlink:href="y-20210301.xsd" xlink:type="simple"/>
<context id="duration_2021-03-01_to_2021-03-01">
<entity>
<identifier scheme="http://www.sec.gov/CIK"> 0000775368 </identifier>
</entity>
<period>
<startDate> 2021-03-01 </startDate>
<endDate> 2021-03-01 </endDate>
</period>
</context>
<dei:EntityRegistrantName contextRef="duration_2021-03-01_to_2021-03-01" id="Hidden_dei_EntityRegistrantName"> ALLEGHANY CORP /DE </dei:EntityRegistrantName>
<dei:AmendmentFlag contextRef="duration_2021-03-01_to_2021-03-01"> false </dei:AmendmentFlag>
<dei:EntityCentralIndexKey contextRef="duration_2021-03-01_to_2021-03-01" id="Hidden_dei_EntityCentralIndexKey"> 0000775368 </dei:EntityCentralIndexKey>
<dei:DocumentType contextRef="duration_2021-03-01_to_2021-03-01"> 8-K </dei:DocumentType>
<dei:DocumentPeriodEndDate contextRef="duration_2021-03-01_to_2021-03-01"> 2021-03-01 </dei:DocumentPeriodEndDate>
<dei:EntityIncorporationStateCountryCode contextRef="duration_2021-03-01_to_2021-03-01"> DE </dei:EntityIncorporationStateCountryCode>
<dei:EntityFileNumber contextRef="duration_2021-03-01_to_2021-03-01"> 1-9371 </dei:EntityFileNumber>
<dei:EntityTaxIdentificationNumber contextRef="duration_2021-03-01_to_2021-03-01"> 51-0283071 </dei:EntityTaxIdentificationNumber>
<dei:EntityAddressAddressLine1 contextRef="duration_2021-03-01_to_2021-03-01"> 1411 Broadway </dei:EntityAddressAddressLine1>
<dei:EntityAddressAddressLine2 contextRef="duration_2021-03-01_to_2021-03-01"> 34th Floor </dei:EntityAddressAddressLine2>
<dei:EntityAddressCityOrTown contextRef="duration_2021-03-01_to_2021-03-01"> New York </dei:EntityAddressCityOrTown>
<dei:EntityAddressStateOrProvince contextRef="duration_2021-03-01_to_2021-03-01"> NY </dei:EntityAddressStateOrProvince>
<dei:EntityAddressPostalZipCode contextRef="duration_2021-03-01_to_2021-03-01"> 10018 </dei:EntityAddressPostalZipCode>
<dei:CityAreaCode contextRef="duration_2021-03-01_to_2021-03-01"> (212) </dei:CityAreaCode>
<dei:LocalPhoneNumber contextRef="duration_2021-03-01_to_2021-03-01"> 752-1356 </dei:LocalPhoneNumber>
<dei:WrittenCommunications contextRef="duration_2021-03-01_to_2021-03-01"> false </dei:WrittenCommunications>
<dei:SolicitingMaterial contextRef="duration_2021-03-01_to_2021-03-01"> false </dei:SolicitingMaterial>
<dei:PreCommencementTenderOffer contextRef="duration_2021-03-01_to_2021-03-01"> false </dei:PreCommencementTenderOffer>
<dei:PreCommencementIssuerTenderOffer contextRef="duration_2021-03-01_to_2021-03-01"> false </dei:PreCommencementIssuerTenderOffer>
<dei:Security12bTitle contextRef="duration_2021-03-01_to_2021-03-01"> Common Stock, $1.00 par value </dei:Security12bTitle>
<dei:TradingSymbol contextRef="duration_2021-03-01_to_2021-03-01"> Y </dei:TradingSymbol>
<dei:SecurityExchangeName contextRef="duration_2021-03-01_to_2021-03-01"> NYSE </dei:SecurityExchangeName>
<dei:EntityEmergingGrowthCompany contextRef="duration_2021-03-01_to_2021-03-01"> false </dei:EntityEmergingGrowthCompany>
</xbrl>


2 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/11/21  Alleghany Corp./DE                424B2                  1:415K                                   Donnelley … Solutions/FA
 8/10/21  Alleghany Corp./DE                424B5                  1:415K                                   Donnelley … Solutions/FA
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Filing Submission 0001193125-21-067625   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

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