{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-075457","form_type":"8-K","ticker":"JHG","cik":"0001274173","company_name":"JANUS HENDERSON GROUP PLC","filed_at":"2026-06-18T12:44:32+00:00","discovered_at":"2026-06-18T12:45:01.361969+00:00","generated_at":"2026-06-18T12:45:08.907872+00:00","sec_items":["1.01","7.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"Janus Henderson take-private with Trian/General Catalyst to close June 30, 2026; regulatory approvals secured","bullets":["Side letter sets closing date of June 30, 2026; termination date extended to September 20, 2026.","All required regulatory approvals and client consents received for the $52.00/share cash take-private.","Shareholders approved the merger on April 16, 2026; shares to be delisted from NYSE upon closing.","Transaction led by Trian Fund Management and General Catalyst; Janus Henderson to become private."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-075457","json":"https://secwatch.observer/filing/0001104659-26-075457.json","markdown":"https://secwatch.observer/filing/0001104659-26-075457.md","text":"https://secwatch.observer/filing/0001104659-26-075457.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1274173/000110465926075457/0001104659-26-075457-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1274173/000110465926075457/tm2618260d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-18T12:45:08.907872+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":"d51fbf978efbec3e24440c33d19982409a93ca49","claim":"JANUS HENDERSON GROUP PLC amended Side Letter with Parent and Merger Sub (effective 2026-06-16).","evidence_excerpt":"On June 16, 2026, the Company entered into a side letter agreement (the “ Side Letter ”) with Parent and Merger Sub, which further supplements and amends certain terms of the Merger Agreement","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1274173/000110465926075457/0001104659-26-075457-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Agreement","value":"merger"},{"label":"Counterparty","value":"Parent and Merger Sub"},{"label":"Effective","value":"2026-06-16"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}