{"schema_version":"secwatch.filing_event.v1","accession":"0001451505-25-000015","form_type":"8-K","ticker":"RIG","cik":"0001451505","company_name":"Transocean Ltd.","filed_at":"2025-02-18T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.655721+00:00","generated_at":"2026-05-26T15:44:28.932108+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Transocean CEO Jeremy Thigpen to step down in Q2 2025; Keelan Adamson named successor","bullets":["Keelan Adamson, current President and COO, to become President and CEO after transition ending Q2 2025.","Jeremy Thigpen to remain CEO until transition, then expected to become Executive Chair, subject to shareholder approval.","Chad Deaton, current Chair, to transition to Lead Independent Director if shareholder approves.","Keelan Adamson has been with Transocean since 1995, holding roles in ops, HR, and rig management."],"urls":{"canonical":"https://secwatch.observer/filing/0001451505-25-000015","json":"https://secwatch.observer/filing/0001451505-25-000015.json","markdown":"https://secwatch.observer/filing/0001451505-25-000015.md","text":"https://secwatch.observer/filing/0001451505-25-000015.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/0001451505-25-000015-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/rig-20250218x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-26T15:44:28.932108+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":"45efcdf4f6","claim":"Jeremy Thigpen departed as Chief Executive Officer at Transocean Ltd..","evidence_excerpt":"Mr. Adamson will succeed Jeremy Thigpen, who has led Transocean as Chief Executive Officer since 2015.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/0001451505-25-000015-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"will be succeeded"},{"label":"Role","value":"Chief Executive Officer"}]},{"claim_id":"5721ad8837","claim":"Jeremy Thigpen was appointed as Executive Chair of the Board of Directors at Transocean Ltd..","evidence_excerpt":"subject to shareholder approval at the Company’s 2025 annual general meeting, Mr. Thigpen is expected to be appointed as Executive Chair of the Board of Directors","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/0001451505-25-000015-index.htm","confidence":0.7,"family_label":"Executive change","details":[{"label":"Action","value":"is expected to be appointed"},{"label":"Role","value":"Executive Chair of the Board of Directors"}]},{"claim_id":"79c512f409","claim":"Chad Deaton changed role as Lead Independent Director at Transocean Ltd..","evidence_excerpt":"Mr. Chad Deaton, Transocean’s current Chair of the Board, will transition to Lead Independent Director.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/0001451505-25-000015-index.htm","confidence":0.9,"family_label":"Executive change","details":[{"label":"Action","value":"will transition to"},{"label":"Role","value":"Lead Independent Director"}]},{"claim_id":"eed2425b5f","claim":"Keelan Adamson changed role as President and Chief Executive Officer at Transocean Ltd..","evidence_excerpt":"Keelan Adamson, the Company’s President and Chief Operating Officer, will become President and Chief Executive Officer following a transition period, which is expected to conclude during the second quarter of 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1451505/000145150525000015/0001451505-25-000015-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"will become"},{"label":"Role","value":"President and Chief Executive Officer"}]}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}