Company · CIK 1451505 # Transocean Ltd. | CIK | [1451505](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001451505) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 1381 — Drilling Oil & Gas Wells | | Incorporated in | V8 | | Business address | Switzerland | | Listed | RIG (NYSE) | | First annual or quarterly report | 2009-02-26 | ## Offerings 10 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-280617 | Shelf Effective | 2024-07-01 | 2025-09-26 | 3 | | 333-280592 | Shelf Effective | 2024-06-28 | 2024-06-28 | 1 | | 333-274790 | Shelf Effective | 2023-09-29 | 2023-09-29 | 1 | | 333-274320 | Shelf Effective | 2023-09-01 | 2023-09-01 | 1 | | 333-257093 | Shelf Effective | 2021-06-14 | 2022-08-05 | 3 | | 333-248616 | Shelf Effective | 2020-09-04 | 2020-09-04 | 1 | | 333-222895 | Shelf Effective | 2018-02-06 | 2018-02-06 | 1 | | 333-222896 | Shelf Effective | 2018-02-06 | 2018-02-06 | 1 | | 333-169401 | Shelf Effective | 2010-09-16 | 2012-09-11 | 8 | | 333-156379 | Shelf Effective | 2008-12-22 | 2008-12-22 | 1 | ## Filings 25 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2025-09-26 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000145150525000102/0001451505-25-000102-index.htm) Shelf takedown | 333-280617 | 0001451505-25-000102 | | 2025-09-24 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000145150525000097/0001451505-25-000097-index.htm) Shelf takedown | 333-280617 | 0001451505-25-000097 | | 2024-07-01 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1451505/000155837024009637/0001558370-24-009637-index.htm) Shelf registered | 333-280617 | 0001558370-24-009637 | | 2024-06-28 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1451505/000145150524000088/0001451505-24-000088-index.htm) Shelf registered | 333-280592 | 0001451505-24-000088 | | 2023-09-29 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1451505/000145150523000111/0001451505-23-000111-index.htm) Shelf registered | 333-274790 | 0001451505-23-000111 | | 2023-09-01 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1451505/000145150523000105/0001451505-23-000105-index.htm) Shelf registered | 333-274320 | 0001451505-23-000105 | | 2022-08-05 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000145150522000080/0001451505-22-000080-index.htm) Shelf takedown | 333-257093 | 0001451505-22-000080 | | 2021-06-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000155837021008278/0001558370-21-008278-index.htm) Shelf takedown | 333-257093 | 0001558370-21-008278 | | 2021-06-14 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1451505/000155837021008275/0001558370-21-008275-index.htm) Shelf registered | 333-257093 | 0001558370-21-008275 | | 2020-09-04 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1451505/000155837020011020/0001558370-20-011020-index.htm) Shelf registered | 333-248616 | 0001558370-20-011020 | | 2018-10-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1451505/999999999518002637/9999999995-18-002637-index.htm) Declared effective | 333-227487 | 9999999995-18-002637 | | 2018-02-20 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1451505/999999999518000468/9999999995-18-000468-index.htm) Declared effective | 333-222894 | 9999999995-18-000468 | | 2018-02-06 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1451505/000155837018000438/0001558370-18-000438-index.htm) Shelf registered | 333-222896 | 0001558370-18-000438 | | 2018-02-06 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1451505/000155837018000437/0001558370-18-000437-index.htm) Shelf registered | 333-222895 | 0001558370-18-000437 | | 2017-12-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1451505/999999999517003312/9999999995-17-003312-index.htm) Declared effective | 333-220791 | 9999999995-17-003312 | | 2016-10-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1451505/999999999516005877/9999999995-16-005877-index.htm) Declared effective | 333-213146 | 9999999995-16-005877 | | 2012-09-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000104746912008801/0001047469-12-008801-index.htm) Shelf takedown | 333-169401 | 0001047469-12-008801 | | 2012-09-10 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000104746912008741/0001047469-12-008741-index.htm) Shelf takedown | 333-169401 | 0001047469-12-008741 | | 2011-12-02 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000104746911009868/0001047469-11-009868-index.htm) Shelf takedown | 333-169401 | 0001047469-11-009868 | | 2011-12-01 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000104746911009832/0001047469-11-009832-index.htm) Shelf takedown | 333-169401 | 0001047469-11-009832 | | 2011-11-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000104746911009810/0001047469-11-009810-index.htm) Shelf takedown | 333-169401 | 0001047469-11-009810 | | 2011-11-29 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000104746911009791/0001047469-11-009791-index.htm) Shelf takedown | 333-169401 | 0001047469-11-009791 | | 2010-09-17 | [424B5](https://www.sec.gov/Archives/edgar/data/1451505/000119312510212305/0001193125-10-212305-index.htm) Shelf takedown | 333-169401 | 0001193125-10-212305 | | 2010-09-16 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1451505/000119312510211089/0001193125-10-211089-index.htm) Shelf registered | 333-169401 | 0001193125-10-211089 | | 2008-12-22 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1451505/000119312508257774/0001193125-08-257774-index.htm) Shelf registered | 333-156379 | 0001193125-08-257774 | [All filings of this company](https://equitycapital.markets/filings?cik=1451505) · [CSV](https://equitycapital.markets/filings.csv?cik=1451505) --- Source page: https://equitycapital.markets/company/1451505 · Data: U.S. SEC EDGAR · CC BY 4.0