{"transactions":[{"id":2472069,"issuer":{"id":79823,"kind":"organization","name":"ATI Physical Therapy, Inc.","symbol":"ATIP"},"owners":[{"id":18088,"kind":"organization","name":"ADVENT INTERNATIONAL, L.P.","position":1,"cik":"0001034196","reported_name":"ADVENT INTERNATIONAL CORP/MA","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132371,"kind":"organization","name":"Wilco Acquisition, LP","position":2,"cik":"0001867101","reported_name":"Wilco Acquisition, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132372,"kind":"organization","name":"Wilco GP, Inc.","position":3,"cik":"0001867878","reported_name":"Wilco GP, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock, par value $0.0001 per share","published_at":"2021-12-15T22:17:25.000Z","date":"2021-12-13","kind":"other","acquired":false,"shares":2270624,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"See Exhibit 99.1 for text of footnote (1)."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"See Exhibit 99.1 for text of footnote (1)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"See Exhibit 99.1 for text of footnote (2)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"See Exhibit 99.1 for text of footnote (3)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"See Exhibit 99.1 for text of footnote (5)."}],"balance_after":560979,"source":{"system":"sec-edgar","filing":"0000899243-21-048382","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034196/000089924321048382/doc4.xml","form_type":"4"}},{"id":2493531,"issuer":{"id":79823,"kind":"organization","name":"ATI Physical Therapy, Inc.","symbol":"ATIP"},"owners":[{"id":18088,"kind":"organization","name":"ADVENT INTERNATIONAL, L.P.","position":1,"cik":"0001034196","reported_name":"ADVENT INTERNATIONAL CORP/MA","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132371,"kind":"organization","name":"Wilco Acquisition, LP","position":2,"cik":"0001867101","reported_name":"Wilco Acquisition, LP","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":132372,"kind":"organization","name":"Wilco GP, Inc.","position":3,"cik":"0001867878","reported_name":"Wilco GP, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock, par value $0.0001 per share","published_at":"2021-11-29T22:18:16.000Z","date":"2021-11-24","kind":"other","acquired":false,"shares":127468397,"ownership":{"direct":false,"nature":"See Notes"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"See Exhibit 99.1 for text of footnote (1)."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"See Exhibit 99.1 for text of footnote (1)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"See Exhibit 99.1 for text of footnote (2)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"See Exhibit 99.1 for text of footnote (3)."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"See Exhibit 99.1 for text of footnote (5)."}],"balance_after":2831603,"source":{"system":"sec-edgar","filing":"0000899243-21-046230","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034196/000089924321046230/doc4.xml","form_type":"4"}}]}