{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-079525","form_type":"8-K","ticker":"JHG","cik":"0001274173","company_name":"JANUS HENDERSON GROUP PLC","filed_at":"2025-08-18T23:59:59+00:00","discovered_at":"2026-05-14T18:02:43.562395+00:00","generated_at":"2026-05-17T11:48:37.462349+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"CFO Roger Thompson to retire March 31, 2026; Sukh Grewal appointed successor effective April 1","bullets":["Thompson retiring after 12+ years at Janus Henderson; will receive prorated bonus and three months' base salary pay in lieu of notice.","Sukh Grewal, current Head of Strategy & Corporate Development, becomes CFO effective April 1, 2026, retaining strategy role.","Grewal instrumental in acquisitions including Tabula, NBK Capital Partners, and Victory Park Capital.","Transition period through March 2026; Grewal to join Executive Committee.","Retirement not due to any disagreement on financial reporting or accounting policies."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-079525","json":"https://secwatch.observer/filing/0001104659-25-079525.json","markdown":"https://secwatch.observer/filing/0001104659-25-079525.md","text":"https://secwatch.observer/filing/0001104659-25-079525.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1274173/000110465925079525/0001104659-25-079525-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1274173/000110465925079525/tm2523577d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T11:48:37.462349+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"}