| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 04 Dec 2025 | 28 Nov 2025 | 001-40611 | |
| 4 | Open Document | Open Filing | 31 Oct 2025 | 28 Oct 2025 | 001-40611 | |
| SCHEDULE 13D/A | Open Document | Open Filing | 31 Oct 2025 | |||
| 25-NSE | Open Document | Open Filing | 30 Jan 2023 | 001-38374 | ||
| 3 | Open Document | Open Filing | 23 Sep 2022 | 09 Sep 2022 | 001-40611 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 23 Sep 2022 | ||
| S-3ASR | Open Document | Open Filing | S-3ASR | 14 Jun 2021 | 333-257093-01 | |
| 424B7 | Open Document | Open Filing | 424B7 | 11 Jul 2018 | 333-222896-01 | |
| 424B3 | Open Document | Open Filing | 424B3 | 08 Mar 2018 | 333-222894-01 | |
| 425 | Open Document | Open Filing | 425 | 08 Mar 2018 | ||
| 424B3 | Open Document | Open Filing | 424B3 | 21 Feb 2018 | 333-222894-01 | |
| EFFECT | Open Document | Open Filing | 20 Feb 2018 | 333-222894-01 | ||
| 425 | Open Document | Open Filing | 425 | 20 Feb 2018 | ||
| 425 | Open Document | Open Filing | 425 | 20 Feb 2018 | ||
| S-4/A | Open Document | Open Filing | S-4/A | 16 Feb 2018 | 333-222894-01 | |
| 425 | Open Document | Open Filing | 425 | 07 Feb 2018 | ||
| S-3ASR | Open Document | Open Filing | S-3ASR | 06 Feb 2018 | 333-222896-01 | |
| S-3ASR | Open Document | Open Filing | S-3ASR | 06 Feb 2018 | 333-222895-01 | |
| S-4 | Open Document | Open Filing | S-4 | 06 Feb 2018 | 333-222894-01 | |
| 425 | Open Document | Open Filing | 425 | 30 Jan 2018 | ||
| CERT | Open Document | Open Filing | NYSE CERT-TRANSOCEAN INC. | 30 Jan 2018 | 001-38374 | |
| 8-A12B | Open Document | Open Filing | 8-A12B | 30 Jan 2018 | 001-38374 | |
| 425 | Open Document | Open Filing | 425 | 23 Jan 2018 | ||
| 425 | Open Document | Open Filing | 425 | 19 Jan 2018 | ||
| 425 | Open Document | Open Filing | 425 | 19 Jan 2018 | ||
| 425 | Open Document | Open Filing | 425 | 19 Jan 2018 | ||
| 424B3 | Open Document | Open Filing | 424B3 | 26 Dec 2017 | 333-220791-01 | |
| EFFECT | Open Document | Open Filing | 22 Dec 2017 | 333-220791-01 | ||
| 425 | Open Document | Open Filing | 425 | 21 Dec 2017 | ||
| 425 | Open Document | Open Filing | 425 | 20 Dec 2017 | ||
| S-4/A | Open Document | Open Filing | S-4/A | 20 Dec 2017 | 333-220791-01 | |
| S-4/A | Open Document | Open Filing | S-4/A | 08 Dec 2017 | 333-220791-01 | |
| UPLOAD | Open Document | Open Filing | 05 Dec 2017 | |||
| S-4/A | Open Document | Open Filing | S-4/A | 29 Nov 2017 | 333-220791-01 | |
| 425 | Open Document | Open Filing | 425 | 22 Nov 2017 | 333-75899 | |
| UPLOAD | Open Document | Open Filing | 21 Nov 2017 | |||
| UPLOAD | Open Document | Open Filing | 15 Nov 2017 | |||
| S-4/A | Open Document | Open Filing | S-4/A | 06 Nov 2017 | 333-220791-01 | |
| 425 | Open Document | Open Filing | 425 | 03 Nov 2017 | 333-75899 | |
| UPLOAD | Open Document | Open Filing | 30 Oct 2017 | |||
| 425 | Open Document | Open Filing | 425 | 10 Oct 2017 | 333-75899 | |
| S-4 | Open Document | Open Filing | S-4 | 04 Oct 2017 | 333-220791-01 | |
| 425 | Open Document | Open Filing | 425 | 15 Sep 2017 | 333-75899 | |
| 425 | Open Document | Open Filing | 425 | 08 Sep 2017 | 333-75899 | |
| 425 | Open Document | Open Filing | 425 | 07 Sep 2017 | 333-75899 | |
| 425 | Open Document | Open Filing | 425 | 15 Aug 2017 | 333-75899 | |
| 425 | Open Document | Open Filing | 425 | 15 Aug 2017 | 333-75899 | |
| 425 | Open Document | Open Filing | 425 | 15 Aug 2017 | 333-75899 |