{"filing":{"accession_number":"0001193125-26-389315","cik":"0001845257","ticker":"LFST","company_name":"LifeStance Health Group, Inc.","form":"8-K","filing_date":"2026-09-11","report_date":"2026-09-09","primary_document":"d116139d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1845257/000119312526389315/d116139d8k.htm"},"events":[{"id":32960,"run_id":30302,"accession_number":"0001193125-26-389315","anchor_item_number":"8.01","event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"summary":"The disclosure describes an underwritten offering of 22.25 million shares of common stock by selling stockholders, with the Company purchasing 2 million shares from the underwriter. Although the Company itself did not receive proceeds (the selling stockholders did), the offering results in dilution to existing shareholders through the issuance of new shares into the market. The Company's repurchase of 2 million shares partially offsets this dilution but does not eliminate the material dilutive effect of the 22.25 million share offering. This is a material capital event affecting share count and ownership structure.","company_name":"LifeStance Health Group, Inc.","ticker":"LFST","filing_date":"2026-09-11","form":"8-K","submitted_at":null,"items":[{"id":36264,"accession_number":"0001193125-26-389315","item_number":"8.01","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"The disclosure describes an underwritten offering of 22.25 million shares of common stock by selling stockholders, with the Company purchasing 2 million shares from the underwriter. Although the Company itself did not receive proceeds (the selling stockholders did), the offering results in dilution to existing shareholders through the issuance of new shares into the market. The Company's repurchase of 2 million shares partially offsets this dilution but does not eliminate the material dilutive effect of the 22.25 million share offering. This is a material capital event affecting share count and ownership structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-11T20:25:45.970304+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":36264,"accession_number":"0001193125-26-389315","item_number":"8.01","item_title":null,"event_type":"dilutive_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"The disclosure describes an underwritten offering of 22.25 million shares of common stock by selling stockholders, with the Company purchasing 2 million shares from the underwriter. Although the Company itself did not receive proceeds (the selling stockholders did), the offering results in dilution to existing shareholders through the issuance of new shares into the market. The Company's repurchase of 2 million shares partially offsets this dilution but does not eliminate the material dilutive effect of the 22.25 million share offering. This is a material capital event affecting share count and ownership structure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-11T20:25:45.970304+00:00","company_name":"LifeStance Health Group, Inc.","ticker":"LFST","filing_date":"2026-09-11"}]}