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 |
|---|---|---|---|
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 2, 2026 | Nov 2, 2026 |
| 8-K |
Current report
Other events
|
Oct 23, 2026 | Oct 23, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 19, 2026 | Oct 19, 2026 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Oct 15, 2026 | Oct 15, 2026 |
| 8-K |
Current report
Other events
|
Oct 14, 2026 | Oct 14, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 9, 2026 | Oct 9, 2026 |
| 8-K |
Current report
Other events
|
Sep 30, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 15, 2026 | Sep 15, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 20, 2026 | Aug 20, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 5, 2026 | Aug 5, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jul 1, 2026 | Jun 29, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 16, 2026 | Jun 16, 2026 |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change, Shareholder vote results
|
May 26, 2026 | May 22, 2026 |
| 8-K |
Current report
Material agreement
|
May 19, 2026 | May 19, 2026 |
| 8-K |
Current report
Other events
|
May 5, 2026 | May 4, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 4, 2026 | May 4, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 16, 2026 | Apr 16, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 14, 2026 | Apr 14, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 2, 2026 | Apr 2, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 23, 2026 | Feb 23, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 20, 2026 | Feb 19, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 11, 2026 | Feb 11, 2026 |
| 8-K |
Current report
Material agreement, Other events
|
Feb 10, 2026 | Feb 9, 2026 |
| 8-K |
Current report
Other events
|
Feb 9, 2026 | Feb 9, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 5, 2026 | Jan 5, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 8, 2025 | Dec 8, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 18, 2025 | Nov 18, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure, Other events
|
Oct 15, 2025 | Oct 15, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 15, 2025 | Oct 15, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 1, 2025 | Oct 1, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 30, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Material agreement
|
Sep 26, 2025 | Sep 25, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 25, 2025 | Sep 24, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 24, 2025 | Sep 24, 2025 |
| 8-K |
Current report
Impairment
|
Aug 27, 2025 | Aug 27, 2025 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Aug 19, 2025 | Aug 19, 2025 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Aug 11, 2025 | Aug 11, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2025 | Aug 4, 2025 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Jul 22, 2025 | Jul 22, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 16, 2025 | Jul 16, 2025 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Jul 7, 2025 | Jul 7, 2025 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Jun 20, 2025 | Jun 20, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 4, 2025 | Jun 4, 2025 |
| 8-K |
Current report
Impairment, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
Jun 3, 2025 | Jun 3, 2025 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2025 | Apr 28, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 16, 2025 | Apr 16, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 18, 2025 | Feb 18, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 18, 2025 | Feb 18, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 18, 2025 | Feb 18, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 12, 2025 | Feb 12, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 17, 2024 | Dec 17, 2024 |
| 8-K |
Current report
Other events
|
Dec 3, 2024 | Dec 3, 2024 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 24, 2024 | Oct 24, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 17, 2024 | Oct 17, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 10, 2024 | Sep 10, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 4, 2024 | Sep 4, 2024 |
| 8-K |
Current report
Impairment, Other events
|
Sep 3, 2024 | Sep 3, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 20, 2024 | Aug 20, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2024 | Jul 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 31, 2024 | Jul 31, 2024 |
| 8-K/A |
Amended current report
Regulation FD disclosure
|
Jul 26, 2024 | Jul 24, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 24, 2024 | Jul 24, 2024 |
| 8-K |
Current report
New debt, Unregistered share sale, Bylaw or fiscal year change
|
Jun 28, 2024 | Jun 28, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 26, 2024 | Jun 26, 2024 |
| 8-K |
Current report
Impairment
|
Jun 24, 2024 | Jun 17, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jun 21, 2024 | Jun 18, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 14, 2024 | Jun 14, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 4, 2024 | Jun 4, 2024 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
May 22, 2024 | May 22, 2024 |
| 8-K |
Current report
Material agreement
|
May 8, 2024 | May 8, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 30, 2024 | Apr 29, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Apr 18, 2024 | Apr 18, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 17, 2024 | Apr 17, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 11, 2024 | Apr 11, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 1, 2024 | Apr 1, 2024 |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change
|
Mar 6, 2024 | Mar 6, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 21, 2024 | Feb 20, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 20, 2024 | Feb 19, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 14, 2024 | Feb 14, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 11, 2024 | Jan 11, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 12, 2023 | Dec 12, 2023 |
| 8-K |
Current report
Officer or director change
|
Nov 22, 2023 | Nov 22, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 31, 2023 | Oct 30, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 18, 2023 | Oct 18, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 11, 2023 | Oct 11, 2023 |
| 8-K |
Current report
Unregistered share sale, Other events
|
Oct 10, 2023 | Oct 3, 2023 |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change, Regulation FD disclosure
|
Sep 14, 2023 | Sep 9, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 30, 2023 | Aug 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2023 | Jul 31, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 19, 2023 | Jul 19, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 18, 2023 | Jul 18, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 5, 2023 | Jul 5, 2023 |
| 8-K |
Current report
Impairment, Regulation FD disclosure
|
Jun 28, 2023 | Jun 28, 2023 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
May 16, 2023 | May 16, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
May 10, 2023 | May 10, 2023 |
| 8-K |
Current report
Results of operations
|
May 1, 2023 | May 1, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 18, 2023 | Apr 18, 2023 |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change, Other events
|
Apr 10, 2023 | Apr 10, 2023 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Mar 30, 2023 | Mar 30, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 29, 2023 | Mar 29, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 23, 2023 | Feb 22, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 21, 2023 | Feb 21, 2023 |
| 8-K |
Current report
Impairment
|
Feb 15, 2023 | Feb 15, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 9, 2023 | Feb 9, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 31, 2023 | Jan 31, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 31, 2023 | Jan 31, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Jan 17, 2023 | Jan 17, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 17, 2023 | Jan 17, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 9, 2023 | Jan 9, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 4, 2023 | Jan 4, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 8, 2022 | Dec 8, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2022 | Nov 2, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 13, 2022 | Oct 13, 2022 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Sep 30, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change, Regulation FD disclosure
|
Sep 13, 2022 | Sep 13, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 7, 2022 | Sep 7, 2022 |
| 8-K |
Current report
Material agreement
|
Aug 5, 2022 | Aug 5, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 3, 2022 | Aug 3, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 1, 2022 | Aug 1, 2022 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 1, 2022 | Aug 1, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 25, 2022 | Jul 25, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 6, 2022 | Jun 6, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
May 13, 2022 | May 13, 2022 |
| 8-K |
Current report
Results of operations
|
May 3, 2022 | May 2, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 25, 2022 | Apr 25, 2022 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Mar 31, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change
|
Mar 16, 2022 | Mar 16, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 23, 2022 | Feb 23, 2022 |
| 8-K |
Current report
Results of operations
|
Feb 22, 2022 | Feb 22, 2022 |
| 8-K |
Current report
Officer or director change
|
Feb 17, 2022 | Feb 17, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 14, 2022 | Feb 14, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 1, 2021 | Nov 1, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 25, 2021 | Oct 25, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 26, 2021 | Aug 26, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 2, 2021 | Aug 2, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 22, 2021 | Jul 21, 2021 |
| 8-K |
Current report
Material agreement
|
Jun 15, 2021 | Jun 14, 2021 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure, Other events
|
Jun 7, 2021 | Jun 7, 2021 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change, Shareholder vote results, Other events
|
Jun 1, 2021 | Jun 1, 2021 |
| 8-K |
Current report
Results of operations
|
May 3, 2021 | May 3, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 28, 2021 | Apr 28, 2021 |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change
|
Apr 7, 2021 | Apr 6, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Apr 1, 2021 | Mar 30, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 1, 2021 | Feb 26, 2021 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Feb 26, 2021 | Feb 26, 2021 |
| 8-K |
Current report
Results of operations
|
Feb 22, 2021 | Feb 22, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 22, 2021 | Feb 22, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 12, 2021 | Feb 12, 2021 |
| 8-K |
Current report
Other events
|
Dec 18, 2020 | Dec 17, 2020 |
| 8-K |
Current report
Other events
|
Dec 1, 2020 | Nov 30, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 18, 2020 | Nov 18, 2020 |
| 8-K |
Current report
Results of operations
|
Nov 2, 2020 | Nov 2, 2020 |
| 8-K |
Current report
Listing notice, Regulation FD disclosure
|
Oct 19, 2020 | Oct 14, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 14, 2020 | Oct 14, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 14, 2020 | Oct 13, 2020 |
| 8-K |
Current report
Other events
|
Oct 7, 2020 | Oct 7, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 16, 2020 | Sep 16, 2020 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Sep 11, 2020 | Sep 11, 2020 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 8, 2020 | Sep 8, 2020 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Aug 14, 2020 | Aug 14, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 5, 2020 | Aug 5, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2020 | Jul 29, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 15, 2020 | Jul 15, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 1, 2020 | Jul 1, 2020 |
| 8-K |
Current report
Impairment, Unregistered share sale, Officer or director change, Bylaw or fiscal year change, Shareholder vote results
|
May 11, 2020 | May 11, 2020 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2020 | Apr 29, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 16, 2020 | Apr 16, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 18, 2020 | Feb 18, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 18, 2020 | Feb 18, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 14, 2020 | Feb 14, 2020 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jan 17, 2020 | Jan 17, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 8, 2020 | Jan 8, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 8, 2020 | Jan 8, 2020 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 12, 2019 | Dec 12, 2019 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2019 | Oct 28, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 17, 2019 | Oct 17, 2019 |
| 8-K |
Current report
Other events
|
Sep 23, 2019 | Sep 23, 2019 |
| 8-K |
Current report
Impairment
|
Sep 3, 2019 | Sep 3, 2019 |
| 8-K |
Current report
Material agreement, New debt, Other events
|
Jul 29, 2019 | Jul 29, 2019 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2019 | Jul 29, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 25, 2019 | Jul 25, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 15, 2019 | Jul 15, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
May 29, 2019 | May 29, 2019 |
| 8-K |
Current report
Material agreement, New debt, Bylaw or fiscal year change, Shareholder vote results
|
May 13, 2019 | May 13, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
May 7, 2019 | May 7, 2019 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2019 | Apr 29, 2019 |
| 8-K/A |
Amended current report
Regulation FD disclosure
|
Apr 19, 2019 | Apr 17, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 17, 2019 | Apr 17, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 25, 2019 | Mar 25, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 11, 2019 | Mar 11, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 19, 2019 | Feb 19, 2019 |
| 8-K |
Current report
Results of operations
|
Feb 19, 2019 | Feb 18, 2019 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Feb 13, 2019 | Feb 12, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 11, 2019 | Feb 11, 2019 |
| 8-K |
Current report
Material agreement, New debt
|
Feb 1, 2019 | Feb 1, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 23, 2019 | Jan 23, 2019 |
| 8-K |
Current report
Other events
|
Jan 17, 2019 | Jan 17, 2019 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 8, 2019 | Jan 8, 2019 |
Showing 200 filings, the most recent 200. 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.
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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.