<SEC-DOCUMENT>0001193125-25-316177-index.html : 20251211
<SEC-HEADER>0001193125-25-316177.hdr.sgml : 20251211
<ACCEPTANCE-DATETIME>20251211170326
ACCESSION NUMBER:		0001193125-25-316177
CONFORMED SUBMISSION TYPE:	SCHEDULE 13D
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20251211
DATE AS OF CHANGE:		20251211

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BERKLEY W R CORP
		CENTRAL INDEX KEY:			0000011544
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		ORGANIZATION NAME:           	02 Finance
		EIN:				221867895
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-30068
		FILM NUMBER:		251565676

	BUSINESS ADDRESS:	
		STREET 1:		475 STEAMBOAT ROAD
		STREET 2:		.
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		2036293000

	MAIL ADDRESS:	
		STREET 1:		475 STEAMBOAT ROAD
		STREET 2:		.
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MITSUI SUMITOMO INSURANCE CO LTD
		CENTRAL INDEX KEY:			0001142206
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		ORGANIZATION NAME:           	02 Finance
		EIN:				000000000
		STATE OF INCORPORATION:			M0
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D

	BUSINESS ADDRESS:	
		STREET 1:		9, KANDA SURUGADAI 3-CHOME
		STREET 2:		CHIYODA-KU
		CITY:			TOKYO
		STATE:			M0
		ZIP:			101-8011
		BUSINESS PHONE:		81332593111

	MAIL ADDRESS:	
		STREET 1:		9, KANDA SURUGADAI 3-CHOME
		STREET 2:		CHIYODA-KU
		CITY:			TOKYO
		STATE:			M0
		ZIP:			101-8011
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13D
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ck0000000000-ex99_1.pdf
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: ck0000000000-ex99_1.pdf

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ck0000000000-ex99_2.pdf
<DESCRIPTION>EX-99.2
<TEXT>
Document 3 - file: ck0000000000-ex99_2.pdf

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>4
<FILENAME>ck0000000000-ex99_4.pdf
<DESCRIPTION>EX-99.4
<TEXT>
Document 4 - file: ck0000000000-ex99_4.pdf

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.5
<SEQUENCE>5
<FILENAME>ck0000000000-ex99_5.pdf
<DESCRIPTION>EX-99.5
<TEXT>
Document 5 - file: ck0000000000-ex99_5.pdf

</DOCUMENT>
</SEC-DOCUMENT>