Transocean Ltd. SEC filings RIG

Transocean Ltd. has 1,000 filings in SEC EDGAR's recent list, going back to Apr 8, 2016. Its latest annual report, Form ARS, was filed on Mar 31, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 2, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.

Form Description Filed Period
ARS Annual report to shareholders Mar 31, 2026 Dec 31, 2025
10-K Annual report Feb 23, 2026 Dec 31, 2025
ARS Annual report to shareholders Apr 1, 2025 Dec 31, 2024
10-K Annual report Feb 18, 2025 Dec 31, 2024
ARS Annual report to shareholders Mar 26, 2024 Dec 31, 2023
10-K Annual report Feb 21, 2024 Dec 31, 2023
ARS Annual report to shareholders Mar 23, 2023 Dec 31, 2022
10-K Annual report Feb 23, 2023 Dec 31, 2022
10-K Annual report Feb 23, 2022 Dec 31, 2021
10-K Annual report Mar 1, 2021 Dec 31, 2020
10-K Annual report Feb 18, 2020 Dec 31, 2019
10-K Annual report Feb 19, 2019 Dec 31, 2018
10-K Annual report Feb 21, 2018 Dec 31, 2017
10-K Annual report Mar 7, 2017 Dec 31, 2016

Showing 14 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.

Company profile

Industry
Drilling Oil & Gas Wells (SIC 1381)
Listed as
RIG (NYSE)
Fiscal year ends
December 31
Incorporated in
Switzerland
Headquarters
Steinhausen, Switzerland
SEC filer status
Large accelerated filer
SEC CIK
1451505

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.