{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-011776","form_type":"8-K","ticker":"RIG","cik":"0001451505","company_name":"Transocean Ltd.","filed_at":"2026-02-09T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.109178+00:00","generated_at":"2026-05-16T03:52:21.028545+00:00","sec_items":["8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Transocean to acquire Valaris in all-stock deal valued at ~$5.8B; creates ~$17B offshore driller","bullets":["All-stock deal: Valaris shareholders receive 15.235 RIG shares per VAL share; pro forma ownership ~53% RIG, ~47% VAL.","Combined enterprise value ~$17.2B; market cap ~$12.3B; combined fleet of 73 rigs and backlog ~$10B.","Identified >$200M in cost synergies; expects leverage ratio ~1.5x within 24 months post-close.","Leadership: Keelan Adamson remains CEO; Jeremy Thigpen becomes Executive Chairman; 9 RIG + 2 VAL directors.","Transaction approved by both boards; expected to close H2 2026 subject to regulatory and shareholder approvals."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-011776","json":"https://secwatch.observer/filing/0001104659-26-011776.json","markdown":"https://secwatch.observer/filing/0001104659-26-011776.md","text":"https://secwatch.observer/filing/0001104659-26-011776.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1451505/000110465926011776/0001104659-26-011776-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1451505/000110465926011776/tm265550d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T03:52:21.028545+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}