<SEC-DOCUMENT>0001267395-21-000010-index.html : 20210316 <SEC-HEADER>0001267395-21-000010.hdr.sgml : 20210316 <ACCEPTANCE-DATETIME>20210316072346 ACCESSION NUMBER: 0001267395-21-000010 CONFORMED SUBMISSION TYPE: 6-K PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210316 FILED AS OF DATE: 20210316 DATE AS OF CHANGE: 20210316 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ASPEN INSURANCE HOLDINGS LTD CENTRAL INDEX KEY: 0001267395 STANDARD INDUSTRIAL CLASSIFICATION: FIRE, MARINE & CASUALTY INSURANCE [6331] IRS NUMBER: 000000000 STATE OF INCORPORATION: D0 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 6-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-31909 FILM NUMBER: 21743619 BUSINESS ADDRESS: STREET 1: 141 FRONT STREET CITY: HAMILTON STATE: D0 ZIP: HM 19 BUSINESS PHONE: 1 441 295 8201 MAIL ADDRESS: STREET 1: 141 FRONT STREET CITY: HAMILTON STATE: D0 ZIP: HM 19 </SEC-HEADER> <DOCUMENT> <TYPE>6-K <SEQUENCE>1 <FILENAME>a6-kastwoodmarch2021.htm <DESCRIPTION>6-K <TEXT> Document 1 - file: a6-kastwoodmarch2021.htm
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