{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-102436","form_type":"8-K","ticker":"LFST","cik":"0001845257","company_name":"LifeStance Health Group, Inc.","filed_at":"2026-03-11T23:59:59+00:00","discovered_at":"2026-05-14T18:02:36.513082+00:00","generated_at":"2026-05-15T15:06:07.528039+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"LifeStance promotes Lisa Miller to COO effective March 10, 2026","bullets":["Lisa Miller, previously EVP Practice Operations, named Chief Operating Officer.","Annual base salary set at $485,000 with bonus target of 85% of base.","Equity target grant value of approx. $1.5M via time- and performance-based RSUs.","Miller holds MBA from Columbia and MSc in Neuroscience; prior COO at Invo Healthcare."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-102436","json":"https://secwatch.observer/filing/0001193125-26-102436.json","markdown":"https://secwatch.observer/filing/0001193125-26-102436.md","text":"https://secwatch.observer/filing/0001193125-26-102436.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1845257/000119312526102436/0001193125-26-102436-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1845257/000119312526102436/d128029d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T15:06:07.528039+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"}