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RIG · Current Report (Form 8-K) · Filed April 14, 2026

Transocean Ltd — Current Report (Form 8-K)

Form
8-K
Filed
April 14, 2026
Period
Apr 14, 2026
Ticker
RIG
Accession
0001451505-26-000029
Boardroom Alpha · Filing insights

Transocean extends Deepwater Corcovado contract with Petrobras to November 2030, adding approximately $445 million in backlog.

About Transocean Ltd
Market cap
$7.0B
1Y TSR
+133.6%
3Y TSR
+2.2%
Board grade
C
Sector
Energy
CEO
Keelan Adamson
Last annual meeting: May 22, 2026 · View full Transocean Ltd profile →
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

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Reference

Frequently asked questions

When did Transocean Ltd file this 8-K?
Transocean Ltd (RIG) filed this Current Report (Form 8-K) with the SEC on April 14, 2026. The accession number assigned by EDGAR is 0001451505-26-000029.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Transocean extends Deepwater Corcovado contract with Petrobras to November 2030, adding approximately $445 million in backlog. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Transocean Ltd's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Transocean Ltd has filed under CIK 1451505, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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