{"schema_version":"secwatch.filing_event.v1","accession":"0001451505-23-000017","form_type":"8-K","ticker":"RIG","cik":"0001451505","company_name":"Transocean Ltd.","filed_at":"2023-02-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:45.061983+00:00","generated_at":"2026-06-19T11:06:10.904117+00:00","sec_items":["2.06","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Transocean to transfer drillship Ocean Rig Olympia plus cash for GSR stake; expects $150-160M Q1 impairment charge","bullets":["Subsidiaries agreed Feb. 9, 2023 to transfer stacked ultra-deepwater drillship Ocean Rig Olympia and nominal cash to Global Sea Mineral Resources NV for a noncontrolling ownership interest.","Q1 2023 results to include estimated non-cash impairment charge of ~$150M to $160M.","Charge reflects write-down of drillship value upon transfer; company takes equity stake in GSR.","Rig had been stacked (idle); deal allows Transocean to monetize asset while gaining exposure to seabed mineral resources."],"urls":{"canonical":"https://secwatch.observer/filing/0001451505-23-000017","json":"https://secwatch.observer/filing/0001451505-23-000017.json","markdown":"https://secwatch.observer/filing/0001451505-23-000017.md","text":"https://secwatch.observer/filing/0001451505-23-000017.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1451505/000145150523000017/0001451505-23-000017-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1451505/000145150523000017/rig-20230215x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T11:06:10.904117+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":[{"claim_id":"adf8f1ff0aeaedb52e50bfb3b68af7e0a1364631","claim":"Transocean Ltd. announced a impairment with charges of approximately $150 million to $160 million affecting stacked, ultra-deepwater drillship Ocean Rig Olympia.","evidence_excerpt":"the Company expects its first-quarter 2023 results to include an estimated non-cash charge ranging from approximately $150 million to $160 million","evidence_source":"SEC 8-K Item 2.05/2.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1451505/000145150523000017/0001451505-23-000017-index.htm","confidence":0.9,"family_label":"Restructurings & Charges","details":[{"label":"Type","value":"impairment"},{"label":"Charge","value":"approximately $150 million to $160 million"},{"label":"Affected area","value":"stacked, ultra-deepwater drillship Ocean Rig Olympia"}],"fact_type":"restructuring_charge"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}