{"entity":{"type":"insider","cik":"0001846731","url":"/insider/0001846731","json_url":"/insider/0001846731.json","name":"SUMMIT PARTNERS GE IX, L.P.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":3,"n_filings":3,"first":"2021-06-16","last":"2024-05-29","span_basis":"filed_date"},"name_variants":[{"name":"SUMMIT PARTNERS GE IX, L.P.","source":"filing","n_filings":3,"first_seen":"2021-06-16","last_seen":"2024-05-29"}],"transactions":[{"id":2544573,"accession":"0000950170-24-066046","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000950170-24-066046","line_url":"/filing/0000950170-24-066046#line-1","is_derivative":false,"issuer_cik":"0000830588","issuer_name":"LifeStance Health Group, Inc.","issuer_ticker":"LFST","issuer_name_source":null,"issuer_url":"/issuer/0000830588","owner_cik":null,"owner_name":"SUMMIT MASTER COMPANY, LLC; SUMMIT PARTNERS ENTREPRENEUR ADVISORS GP II, LLC; SUMMIT PARTNERS GE IX, L.P.; SUMMIT PARTNERS GE IX, LLC; SUMMIT PARTNERS L P; Summit Investors Management, LLC","owner_display_name":"SUMMIT MASTER COMPANY, LLC","owner_url":null,"role":"Other","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":6,"other_reporting_owners":5,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3802345.0,"shares_display":"3,802,345","price_per_share":5.89,"price_display":"5.89","price_state":"stated","total_value":22395812.05,"total_display":"22,395,812.05","total_whole":"22,395,812","shares_owned_after":41932358.0,"shares_owned_after_display":"41,932,358","ownership_form":"I","is_10b5_1":null,"transaction_date":"2024-05-24","filed_date":"2024-05-29","scope":"insider"},{"id":4688657,"accession":"0001179110-21-007117","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-21-007117","line_url":"/filing/0001179110-21-007117#line-1","is_derivative":false,"issuer_cik":"0000830588","issuer_name":"LifeStance Health Group, Inc.","issuer_ticker":"LFST","issuer_name_source":null,"issuer_url":"/issuer/0000830588","owner_cik":null,"owner_name":"SUMMIT PARTNERS L P; SUMMIT PARTNERS GE IX, LLC; Summit Investors Management, LLC; SUMMIT MASTER COMPANY, LLC; SUMMIT PARTNERS ENTREPRENEUR ADVISORS GP II, LLC; SUMMIT PARTNERS GE IX, L.P.","owner_display_name":"SUMMIT PARTNERS L P","owner_url":null,"role":"Other","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":6,"other_reporting_owners":5,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1140704.0,"shares_display":"1,140,704","price_per_share":17.01,"price_display":"17.01","price_state":"stated","total_value":19403375.04,"total_display":"19,403,375.04","total_whole":"19,403,375","shares_owned_after":45734703.0,"shares_owned_after_display":"45,734,703","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-06-25","filed_date":"2021-06-29","scope":"insider"},{"id":4085945,"accession":"0001179110-21-006788","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001179110-21-006788","line_url":"/filing/0001179110-21-006788#line-1","is_derivative":false,"issuer_cik":"0000830588","issuer_name":"LifeStance Health Group, Inc.","issuer_ticker":"LFST","issuer_name_source":null,"issuer_url":"/issuer/0000830588","owner_cik":null,"owner_name":"SUMMIT PARTNERS ENTREPRENEUR ADVISORS GP II, LLC; SUMMIT PARTNERS L P; SUMMIT PARTNERS GE IX, LLC; Summit Investors Management, LLC; SUMMIT MASTER COMPANY, LLC; SUMMIT PARTNERS GE IX, L.P.","owner_display_name":"SUMMIT PARTNERS ENTREPRENEUR ADVISORS GP II, LLC","owner_url":null,"role":"Other","role_mark":null,"role_mark_label":"Not attributed","role_mark_generic":"Not stated","n_reporting_owners":6,"other_reporting_owners":5,"officer_title":null,"security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1368844.0,"shares_display":"1,368,844","price_per_share":17.01,"price_display":"17.01","price_state":"stated","total_value":23284036.44,"total_display":"23,284,036.44","total_whole":"23,284,036","shares_owned_after":46875407.0,"shares_owned_after_display":"46,875,407","ownership_form":"I","is_10b5_1":null,"transaction_date":"2021-06-14","filed_date":"2021-06-16","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":0,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":0,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":0},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001845257","name":"LifeStance Health Group, Inc.","url":"/issuer/0001845257","role":"Other","n_filings":3,"first_seen":"2021-06-16","last_seen":"2024-05-29"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001846731","retrieved_at":"2026-08-24T10:30:45+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}