<SEC-DOCUMENT>0001451505-25-000097-index.html : 20250924
<SEC-HEADER>0001451505-25-000097.hdr.sgml : 20250924
<ACCEPTANCE-DATETIME>20250924160613
ACCESSION NUMBER:		0001451505-25-000097
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20250924
DATE AS OF CHANGE:		20250924

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Transocean Ltd.
		CENTRAL INDEX KEY:			0001451505
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				980599916
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-280617
		FILM NUMBER:		251338287

	BUSINESS ADDRESS:	
		STREET 1:		TURMSTRASSE 30
		CITY:			STEINHAUSEN
		STATE:			V8
		ZIP:			6312
		BUSINESS PHONE:		41 41 749 0500

	MAIL ADDRESS:	
		STREET 1:		TURMSTRASSE 30
		CITY:			STEINHAUSEN
		STATE:			V8
		ZIP:			6312
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>rig-20250924x424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: rig-20250924x424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>rig-20250924x424b5001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: rig-20250924x424b5001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>rig-20250924x424b5002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: rig-20250924x424b5002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>rig-20250924x424b5003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: rig-20250924x424b5003.jpg

</DOCUMENT>
</SEC-DOCUMENT>