RIG - CIK 0001451505
Transocean Ltd. has filed 1,737 documents with the SEC between 2008 and 2026. The most frequent type is insider trade (599 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Major company event | 8-K | 2026-05-26 | 2026-05-22 |
| Insider trade | 4 | 2026-05-22 | 2026-05-21 |
| Insider sale notice | 144 | 2026-05-21 | - |
| Proxy materials | DEFA14A | 2026-05-19 | - |
| Major company event | 8-K | 2026-05-19 | 2026-05-19 |
| PREM14A | - | 2026-05-19 | 2026-05-19 |
| Insider trade | 4 | 2026-05-05 | 2026-05-01 |
| Quarterly report | 10-Q | 2026-05-05 | 2026-03-31 |
| Proxy materials | DEFA14A | 2026-05-05 | - |
| Major company event | 8-K | 2026-05-05 | 2026-05-04 |
| Major company event | 8-K | 2026-05-04 | 2026-05-04 |
| Major company event | 8-K | 2026-04-16 | 2026-04-16 |
| Major company event | 8-K | 2026-04-14 | 2026-04-14 |
| Major company event | 8-K | 2026-04-02 | 2026-04-02 |
| Annual report to shareholders | ARS | 2026-03-31 | 2025-12-31 |
| Proxy materials | DEFA14A | 2026-03-31 | - |
| Proxy statement | DEF 14A | 2026-03-31 | 2026-05-22 |
| SCHEDULE 13G/A | - | 2026-03-27 | - |
| PRE 14A | - | 2026-03-20 | 2026-05-22 |
| Insider trade | 4 | 2026-03-05 | 2026-03-04 |
| Insider sale notice | 144 | 2026-03-04 | - |
| Insider trade | 4 | 2026-03-03 | 2026-03-01 |
| Insider trade | 4 | 2026-03-03 | 2026-03-01 |
| Insider trade | 4 | 2026-03-03 | 2026-03-01 |
| Insider trade | 4 | 2026-03-03 | 2026-03-01 |
| Insider trade | 4 | 2026-03-03 | 2026-03-01 |
| Insider trade | 4 | 2026-03-03 | 2026-03-01 |
| Major company event | 8-K | 2026-02-23 | 2026-02-23 |
| Annual report | 10-K | 2026-02-23 | 2025-12-31 |
| Major company event | 8-K | 2026-02-20 | 2026-02-19 |
| Proxy materials | DEFA14A | 2026-02-17 | - |
| Major company event | 8-K | 2026-02-11 | 2026-02-11 |
| SCHEDULE 13D/A | - | 2026-02-11 | - |
| Proxy materials | DEFA14A | 2026-02-11 | - |
| Proxy materials | DEFA14A | 2026-02-10 | - |
| Major company event | 8-K | 2026-02-10 | 2026-02-09 |
| Insider trade | 4 | 2026-02-09 | 2026-02-05 |
| Insider trade | 4 | 2026-02-09 | 2026-02-05 |
| Insider trade | 4 | 2026-02-09 | 2026-02-05 |
| Insider trade | 4 | 2026-02-09 | 2026-02-05 |
| Insider trade | 4 | 2026-02-09 | 2026-02-05 |
| Insider trade | 4 | 2026-02-09 | 2026-02-05 |
| Proxy materials | DEFA14A | 2026-02-09 | - |
| Major company event | 8-K | 2026-02-09 | 2026-02-09 |
| Insider trade | 4 | 2026-01-28 | 2026-01-26 |
| Insider trade | 4 | 2026-01-28 | 2026-01-26 |
| Insider sale notice | 144 | 2026-01-26 | - |
| Insider sale notice | 144 | 2026-01-26 | - |
| Major company event | 8-K | 2026-01-05 | 2026-01-05 |
| Insider trade | 4 | 2025-12-08 | 2025-12-04 |