Transocean (NYSE: RIG) furnishes third quarter 2025 earnings press release

Rhea-AI Filing Summary

Transocean Ltd. filed a current report to furnish its financial results press release for the third quarter of 2025. The company references a press release dated October 29, 2025, which is included as Exhibit 99.1 and incorporated by reference.

The filing is primarily administrative, identifying Transocean’s common shares traded on the New York Stock Exchange under the symbol RIG and listing additional technical exhibits related to interactive data and the cover page.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

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CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Date of report (date of earliest event reported): October 29, 2025

TRANSOCEAN LTD.

(Exact name of registrant as specified in its charter)

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Switzerland	001-38373	98-0599916
(State or other jurisdiction of incorporation or organization)	(Commission file number)	(I.R.S. Employer Identification No.)
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Turmstrasse 30 Steinhausen, Switzerland	​	CH-6312
(Address of principal executive offices)	​	(Zip Code)
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+41 (41) 749-0500
(Registrant’s telephone number, including area code)

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 (see General Instruction A.2. below):

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

☐ Soliciting material pursuant to Rule 14a-12 under the Securities 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))

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Securities registered pursuant to Section 12(b) of the Act:

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Title of each class	Trading symbol	Name of each exchange on which registered
Shares, $0.10 par value	RIG	New York Stock Exchange

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Indicate by check mark whether the registrant is an emerging growth company as defined in 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. ☐

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Item 2.02. Results of Operations and Financial Condition

Transocean Ltd.’s press release dated October 29, 2025, concerning financial results for the third quarter 2025, furnished as Exhibit 99.1 to this report, is incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits

(d)  Exhibits

The exhibit to this report is furnished pursuant to Item 9.01 as follows:

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Number	Description
99.1	Press Release Reporting Third Quarter 2025 Financial Results
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)

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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.

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​	TRANSOCEAN LTD.
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Date: October 29, 2025	By	/s/ Daniel Ro-Trock
​	​	Daniel Ro-Trock
​	​	Authorized Person

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FAQ

What did Transocean Ltd. (RIG) disclose in its latest 8-K filing?

Transocean Ltd. disclosed that it furnished a press release reporting its third quarter 2025 financial results. The press release, dated October 29, 2025, is attached as Exhibit 99.1 and incorporated by reference into the current report.

Which financial period does Transocean Ltd.’s October 29, 2025 press release cover?

The October 29, 2025 Transocean Ltd. press release covers financial results for the third quarter of 2025. The 8-K notes that this earnings release is furnished as Exhibit 99.1 and forms part of the information provided to investors.

How can investors access Transocean Ltd. (RIG) third quarter 2025 results from this 8-K?

Investors can access Transocean Ltd.’s third quarter 2025 results through Exhibit 99.1 to the 8-K. That exhibit contains the full press release dated October 29, 2025, which is explicitly incorporated by reference in the current report.

What securities of Transocean Ltd. are listed in this 8-K filing?

The filing lists Transocean Ltd.’s shares with a par value of $0.10, which trade on the New York Stock Exchange under the symbol RIG. This confirms the class of securities registered pursuant to Section 12(b) of the Exchange Act.

Which exhibits are included with Transocean Ltd.’s 8-K on October 29, 2025?

The 8-K includes Exhibit 99.1, a press release reporting third quarter 2025 financial results, Exhibit 101 with Inline XBRL interactive data files, and Exhibit 104 containing the cover page interactive data file in Inline XBRL format.