Transocean Ltd. — 424B5 Filings
11 424B5 filings on record
This page lists all 424B5 filings submitted to the SEC by Transocean Ltd. (RIG), sorted by most recent first. Each row links to the full filing on EdgarLookup. Transocean Ltd. has filed 11 424B5 documents with the SEC since 2015. To view all SEC filings by Transocean Ltd., see the full filings list.
All
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 |
|---|---|---|---|---|
| 424B5 | 424B5 | 0001451505-25-000102 | Sep 26, 2025 | — |
| 424B5 | 424B5 | 0001451505-25-000097 | Sep 24, 2025 | — |
| 424B5 | 424B5 | 0001451505-22-000080 | Aug 5, 2022 | — |
| 424B5 | 424B5 | 0001558370-21-008278 | Jun 14, 2021 | — |
| 424B5 | 424B5 | 0001047469-12-008801 | Sep 11, 2012 | — |
| 424B5 | 424B5 | 0001047469-12-008741 | Sep 10, 2012 | — |
| 424B5 | 424B5 | 0001047469-11-009868 | Dec 2, 2011 | — |
| 424B5 | 424B5 | 0001047469-11-009832 | Dec 1, 2011 | — |
| 424B5 | 424B5 | 0001047469-11-009810 | Nov 30, 2011 | — |
| 424B5 | 424B5 | 0001047469-11-009791 | Nov 29, 2011 | — |
| 424B5 | DEFINITIVE PROSPECTUS SUPPLEMENT | 0001193125-10-212305 | Sep 17, 2010 | — |