Transocean Ltd. — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K/A
10-Q
10-Q/A
144
144/A
25-NSE
3
3/A
4
4/A
424B3
424B5
424B7
425
5
8-A12B
8-K
8-K/A
8-K12G3
ARS
CORRESP
DEF 14A
DEFA14A
DEFC14A
DFAN14A
EFFECT
FWP
NO ACT
NT 10-K
PRE 14A
PRE 14C
PREC14A
PRER14A
PRRN14A
S-3ASR
S-4
S-4/A
S-4MEF
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-I
SC TO-I/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-002489 | Mar 27, 2026 | — |
| PRE 14A | PRE 14A | 0001104659-26-032721 | Mar 20, 2026 | May 22, 2026 |
| 4 | — | 0002045694-26-000006 | Mar 5, 2026 | Mar 4, 2026 |
| 144 | — | 0001950047-26-002156 | Mar 4, 2026 | — |
| 4 | — | 0001750415-26-000007 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | — | 0002045694-26-000004 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | — | 0002030852-26-000004 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | — | 0002022236-26-000004 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | — | 0001240666-26-000004 | Mar 3, 2026 | Mar 1, 2026 |
| 4 | — | 0001502666-26-000007 | Mar 3, 2026 | Mar 1, 2026 |
| 10-K | 10-K | 0001451505-26-000018 | Feb 23, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001451505-26-000020 | Feb 23, 2026 | — |
| 8-K | 8-K | 0001451505-26-000012 | Feb 20, 2026 | Feb 19, 2026 |
| DEFA14A | DEFA14A | 0001104659-26-015486 | Feb 17, 2026 | — |
| 8-K | 8-K | 0001451505-26-000005 | Feb 11, 2026 | — |
| SCHEDULE 13D/A | — | 0001104659-26-013683 | Feb 11, 2026 | — |
| DEFA14A | DEFA14A | 0001104659-26-012864 | Feb 11, 2026 | — |
| DEFA14A | DEFA14A | 0001104659-26-012389 | Feb 10, 2026 | — |
| 8-K | FORM 8-K | 0001104659-26-012387 | Feb 10, 2026 | Feb 9, 2026 |
| 4 | — | 0002022236-26-000002 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | — | 0002030852-26-000002 | Feb 9, 2026 | Feb 5, 2026 |
| 8-K | FORM 8-K | 0001104659-26-011776 | Feb 9, 2026 | — |
| DEFA14A | DEFA14A | 0001104659-26-011778 | Feb 9, 2026 | — |
| 4 | — | 0001750415-26-000005 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | — | 0002045694-26-000002 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | — | 0001502666-26-000005 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | — | 0001240666-26-000002 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | — | 0001750415-26-000002 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | — | 0001502666-26-000002 | Jan 28, 2026 | Jan 26, 2026 |
| 144 | — | 0001950047-26-000672 | Jan 26, 2026 | — |
| 144 | — | 0001950047-26-000680 | Jan 26, 2026 | — |
| 8-K | 8-K | 0001451505-26-000003 | Jan 5, 2026 | — |
| 4 | — | 0001750415-25-000008 | Dec 8, 2025 | Dec 4, 2025 |
| 8-K | 8-K | 0001451505-25-000133 | Dec 8, 2025 | — |
| 4 | — | 0002045694-25-000007 | Dec 5, 2025 | Dec 3, 2025 |
| SCHEDULE 13D/A | — | 0001451505-25-000131 | Dec 4, 2025 | — |
| 4 | — | 0001451505-25-000130 | Dec 4, 2025 | Nov 28, 2025 |
| 144 | — | 0001950047-25-009802 | Dec 4, 2025 | — |
| 144 | — | 0001950047-25-009696 | Dec 3, 2025 | — |
| 144/A | — | 0001950047-25-009497 | Dec 1, 2025 | — |
| 4 | — | 0001240666-25-000005 | Dec 1, 2025 | Nov 26, 2025 |
| 4 | — | 0002022236-25-000006 | Dec 1, 2025 | Nov 26, 2025 |
| 144 | — | 0001950047-25-009413 | Nov 26, 2025 | — |
| 144 | — | 0001950047-25-009403 | Nov 26, 2025 | — |
| 4 | — | 0001729638-25-000010 | Nov 25, 2025 | Nov 24, 2025 |
| 4 | — | 0001729635-25-000007 | Nov 25, 2025 | Nov 24, 2025 |
| 4 | — | 0001737912-25-000008 | Nov 25, 2025 | Nov 24, 2025 |
| 8-K | 8-K | 0001451505-25-000127 | Nov 18, 2025 | — |
| 4 | — | 0002045694-25-000004 | Nov 4, 2025 | Oct 31, 2025 |
| 144 | — | 0001950047-25-008331 | Oct 31, 2025 | — |