Transocean Ltd. Files 8-K on Sept 30, 2025

Ticker: RIG · Form: 8-K · Filed: Sep 30, 2025 · CIK: 1451505

Sentiment: neutral

Topics: 8-K, filing, regulation-fd

TL;DR

Transocean filed an 8-K on 9/30/25. Check for updates.

AI Summary

Transocean Ltd. filed an 8-K on September 30, 2025, reporting on events as of the same date. The filing primarily concerns Regulation FD disclosures and includes financial statements and exhibits. No specific financial figures or material events were detailed in the provided excerpt.

Why It Matters

This 8-K filing indicates that Transocean Ltd. is providing updates or disclosures to the SEC as of September 30, 2025, which could contain material information for investors.

Risk Assessment

Risk Level: low — The provided excerpt is a standard 8-K filing header and does not contain specific financial details or event information that would indicate a high-risk situation.

Key Players & Entities

FAQ

What is the primary purpose of this 8-K filing by Transocean Ltd.?

The filing is for Regulation FD Disclosure and includes Financial Statements and Exhibits, as reported on September 30, 2025.

What is Transocean Ltd.'s CIK number?

Transocean Ltd.'s Central Index Key (CIK) is 0001451505.

When is Transocean Ltd.'s fiscal year end?

Transocean Ltd.'s fiscal year ends on December 31 (1231).

Where is Transocean Ltd.'s principal executive office located?

The principal executive offices are located at Turmstrasse 30, Steinhausen, Switzerland, CH-6312.

What is the SEC file number for Transocean Ltd.?

The SEC file number for Transocean Ltd. is 001-38373.

Filing Stats: 502 words · 2 min read · ~2 pages · Grade level 11.3 · Accepted 2025-09-30 08:53:14

Key Financial Figures

Filing Documents

01 Regulation FD Disclosure

Item 7.01 Regulation FD Disclosure. Transocean Ltd. announced today the commencement of an offering by Transocean International Limited (the "Company") of $500 million aggregate principal amount of Senior Priority Guaranteed Notes due 2032 in a private placement to persons reasonably believed to be qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933, as amended, and to non-U.S. persons outside the United States pursuant to Regulation S under the Securities Act. The foregoing description does not purport to be complete and is qualified in its entirety by the full text of the press release announcing the offering, a copy of which is attached hereto and incorporated by reference as Exhibit 99.1 .

01 Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits. (d) Exhibits. Exhibit No . Description 99.1 Transocean Ltd. Announces Proposed Private Offering of Senior Priority Guaranteed Notes due 2032 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

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: September 30, 2025 By: /s/ Daniel Ro-Trock Daniel Ro-Trock Authorized Person

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