{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-22-118884","form_type":"8-K","ticker":"JHG","cik":"0001274173","company_name":"JANUS HENDERSON GROUP PLC","filed_at":"2022-11-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:49.964334+00:00","generated_at":"2026-06-21T18:09:58.431831+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Janus Henderson names John Cassaday Chair; Nelson Peltz resigns, Brian Baldwin appointed director","bullets":["John Cassaday appointed Board Chair effective Dec 31, 2022, succeeding retiring Richard Gillingwater.","Nelson Peltz resigns from Board; Brian Baldwin appointed as Independent Non-Executive Director effective Nov 15.","Baldwin is a Partner at Trian, which owns ~19.2% of JHG; Ed Garden remains on Board.","Trian states strong support for CEO Ali Dibadj, cost program, and strategy.","Baldwin will serve on Nominating and Corporate Governance and Risk Committees."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-22-118884","json":"https://secwatch.observer/filing/0001104659-22-118884.json","markdown":"https://secwatch.observer/filing/0001104659-22-118884.md","text":"https://secwatch.observer/filing/0001104659-22-118884.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1274173/000110465922118884/0001104659-22-118884-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1274173/000110465922118884/tm2230202d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T18:09:58.431831+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":"7173b386a7","claim":"John Cassaday was appointed as Chair of the Board at JANUS HENDERSON GROUP PLC.","evidence_excerpt":"including its new Chair, John Cassaday","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1274173/000110465922118884/0001104659-22-118884-index.htm","confidence":0.6,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chair of the Board"}],"fact_type":"executive_change"},{"claim_id":"8250cf1a39","claim":"Brian Baldwin was appointed as Director at JANUS HENDERSON GROUP PLC.","evidence_excerpt":"the Board appointed Brian Baldwin, a Partner and Senior Analyst of Trian Fund Management, L.P., the beneficial owner of approximately 19.2% of the Company’s common stock, as a Director to fill the vacancy created by Mr Peltz’s resignation.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1274173/000110465922118884/0001104659-22-118884-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"de42ef6a3e","claim":"Nelson Peltz resigned as Director at JANUS HENDERSON GROUP PLC.","evidence_excerpt":"Nelson Peltz notified Janus Henderson Group plc (the “ Company ”) of his resignation from the Company’s Board of Directors (the “ Board ”), effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1274173/000110465922118884/0001104659-22-118884-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}