{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-069818","form_type":"8-K","ticker":null,"cik":"0001605803","company_name":"Lattice Strategies Trust","filed_at":"2026-06-03T12:21:08+00:00","discovered_at":"2026-06-03T12:25:00.296635+00:00","generated_at":"2026-06-03T12:25:36.452724+00:00","sec_items":["8.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Wellington to acquire Hartford Funds Management; deal expected Q1 2027","bullets":["WIAH, Wellington's parent, will acquire HFMG and affiliates from The Hartford.","Transaction approved by both parties; closing target is first quarter 2027.","HFMC or affiliate to remain adviser to each listed ETF pending Board and shareholder votes.","Affected ETFs: HDUS, RODM, ROAM, ROSC, ROUS, HQGO, VMAX.","Wellington has over $1T in AUM; combined entity will operate under Wellington name."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-069818","json":"https://secwatch.observer/filing/0001104659-26-069818.json","markdown":"https://secwatch.observer/filing/0001104659-26-069818.md","text":"https://secwatch.observer/filing/0001104659-26-069818.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1605803/000110465926069818/0001104659-26-069818-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1605803/000110465926069818/tm2616093d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-03T12:25:36.452724+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"}