Here are the 10-K annual reports from Transocean LTD. (RIG) in our archive since June 2025, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 10-K covers the audited annual report, with the full financial statements, so if you follow RIG and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full RIG filings page.
Transocean Ltd. describes a global offshore drilling business focused on ultra-deepwater and harsh-environment floaters. As of February 2026, it operates or partly owns 27 rigs, including 20 ultra-deepwater drillships and seven harsh‑environment semisubmersibles, positioned across major offshore basins.
The company highlights heavy use of dynamic positioning, dual‑activity technology and advanced well‑control systems, along with growing automation, robotics and safety systems such as HaloGuard. Contract backlog was $6.29 billion at December 31, 2025, down from $8.74 billion in 2024 and $9.25 billion in 2023, and $6.06 billion at February 19, 2026.
Transocean has about 5,600 workers across 20 countries and reports 2025 safety metrics of TRIR 0.19 and LTIR 0.00 over 11.5 million labor hours. It carries $5.66 billion of debt, including $1.68 billion secured. In February 2026, it agreed to acquire Valaris via share exchange at a ratio of 15.235 Transocean shares per Valaris share, subject to shareholder, court and regulatory approvals.