TRANSOCEAN LTD_ April 14, 2026

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934

Date of report (date of earliest event reported): April 14, 2026

TRANSOCEAN LTD.

(Exact name of Registrant as specified in its charter)


Switzerland		001-38373		98-0599916
(State or other jurisdiction of		(Commission		(I.R.S. Employer
incorporation or organization)		File Number)		Identification No.)


Turmstrasse 30
Steinhausen, Switzerland		CH-6312

(Address of principal executive offices)		(zip code)

Registrant’s telephone number, including area code: +41 (41) 749-0500

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))


Securities registered pursuant to Section 12(b) of the Act
Title of each class	Trading Symbol	Name of each exchange on which registered:
Shares, $0.10 par value	RIG	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01Regulation FD Disclosure.

Transocean Ltd. (NYSE: RIG) (“Transocean”) today announced that the Deepwater Corcovado was awarded a 1,156-day contract extension with Petrobras in direct continuation of its current activity. The extension is expected to contribute approximately $445 million in incremental backlog and commit the rig through November 2030. Prior to the extension period, from April 1, 2026, until the commencement of the new contract in September 2027 (approximately 525 days), the existing backlog will be reduced by approximately $20 million.

A copy of the press release announcing the fixtures referred to above is attached hereto and incorporated herein by reference as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.


Exhibit No.		Description

99.1		Transocean Ltd. Announces $425 Million Additional Backlog for Ultra-Deepwater Drillship
101		Interactive data files pursuant to Rule 405 of Regulation S-T formatted in Inline Extensible Business Reporting Language
104		Cover Page Interactive Data File (formatted as inline XBRL).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


	TRANSOCEAN LTD.


Date: April 14, 2026	By:	/s/ Debra Kupferman
		Debra Kupferman
		Authorized Person

Transocean Ltd (Switzerland) filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits