{"transactions":[{"id":2872339,"issuer":{"id":2273,"kind":"organization","name":"Disc Medicine, Inc.","symbol":"IRON"},"owners":[{"id":142903,"kind":"organization","name":"FS Development Holdings, LLC","position":1,"cik":"0001820810","reported_name":"FS Development Holdings, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25099,"kind":"organization","name":"Foresite Capital Fund V, L.P.","position":2,"cik":"0001792204","reported_name":"Foresite Capital Fund V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25098,"kind":"organization","name":"Foresite Capital Management V, LLC","position":3,"cik":"0001792206","reported_name":"Foresite Capital Management V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25101,"kind":"organization","name":"Foresite Capital Opportunity Fund V, L.P.","position":4,"cik":"0001792205","reported_name":"Foresite Capital Opportunity Fund V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25100,"kind":"organization","name":"Foresite Capital Opportunity Management V, LLC","position":5,"cik":"0001792207","reported_name":"Foresite Capital Opportunity Management V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}}],"security":"Common Stock","published_at":"2021-02-09T20:04:33.000Z","date":"2021-02-05","kind":"exercise","acquired":false,"shares":2928750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"In connection with the closing of Gemini Therapeutics, Inc.'s (formerly known as FS Development Corp.) business combination, shares of Class B Common Stock of FS Development Corp. converted into common stock of the Issuer ."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"In connection with the closing of Gemini Therapeutics, Inc.'s (formerly known as FS Development Corp.) business combination, shares of Class B Common Stock of FS Development Corp. converted into common stock of the Issuer ."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"In connection with the closing of Gemini Therapeutics, Inc.'s (formerly known as FS Development Corp.) business combination, shares of Class B Common Stock of FS Development Corp. converted into common stock of the Issuer ."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares of the Issuer's common stock are held of record by FS Development Holdings, LLC (\"FSD Holdings\"). Foresite Capital Management V LLC (\"FCMVLLC\") and Foresite Capital Opportunity Management V, LLC (\"FCOMVLLC\") are general partners, respectively, of Foresite Capital Fund V, L.P. (\"Capital Fund V L.P.\") and Foresite Capital Opportunity Fund V, L.P. (\"Opportunity Fund V .L.P.\"), the sole shareholders of FSD Holdings. Each of FCMVLLC, FCOMVLLC, Capital Fund V L.P and Opportunity Fund V L.P. disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":2928750},"source":{"system":"sec-edgar","filing":"0001213900-21-007713","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1816736/000121390021007713/ownership.xml","form_type":"4"}},{"id":2872338,"issuer":{"id":2273,"kind":"organization","name":"Disc Medicine, Inc.","symbol":"IRON"},"owners":[{"id":142903,"kind":"organization","name":"FS Development Holdings, LLC","position":1,"cik":"0001820810","reported_name":"FS Development Holdings, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25099,"kind":"organization","name":"Foresite Capital Fund V, L.P.","position":2,"cik":"0001792204","reported_name":"Foresite Capital Fund V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25098,"kind":"organization","name":"Foresite Capital Management V, LLC","position":3,"cik":"0001792206","reported_name":"Foresite Capital Management V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25101,"kind":"organization","name":"Foresite Capital Opportunity Fund V, L.P.","position":4,"cik":"0001792205","reported_name":"Foresite Capital Opportunity Fund V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25100,"kind":"organization","name":"Foresite Capital Opportunity Management V, LLC","position":5,"cik":"0001792207","reported_name":"Foresite Capital Opportunity Management V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}}],"security":"Common Stock","published_at":"2021-02-09T20:04:33.000Z","date":"2021-02-05","kind":"exercise","acquired":true,"shares":2928750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"In connection with the closing of Gemini Therapeutics, Inc.'s (formerly known as FS Development Corp.) business combination, shares of Class B Common Stock of FS Development Corp. converted into common stock of the Issuer ."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares of the Issuer's common stock are held of record by FS Development Holdings, LLC (\"FSD Holdings\"). Foresite Capital Management V LLC (\"FCMVLLC\") and Foresite Capital Opportunity Management V, LLC (\"FCOMVLLC\") are general partners, respectively, of Foresite Capital Fund V, L.P. (\"Capital Fund V L.P.\") and Foresite Capital Opportunity Fund V, L.P. (\"Opportunity Fund V .L.P.\"), the sole shareholders of FSD Holdings. Each of FCMVLLC, FCOMVLLC, Capital Fund V L.P and Opportunity Fund V L.P. disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein."}],"balance_after":2928750,"source":{"system":"sec-edgar","filing":"0001213900-21-007713","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1816736/000121390021007713/ownership.xml","form_type":"4"}},{"id":2872337,"issuer":{"id":2273,"kind":"organization","name":"Disc Medicine, Inc.","symbol":"IRON"},"owners":[{"id":142903,"kind":"organization","name":"FS Development Holdings, LLC","position":1,"cik":"0001820810","reported_name":"FS Development Holdings, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25099,"kind":"organization","name":"Foresite Capital Fund V, L.P.","position":2,"cik":"0001792204","reported_name":"Foresite Capital Fund V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25098,"kind":"organization","name":"Foresite Capital Management V, LLC","position":3,"cik":"0001792206","reported_name":"Foresite Capital Management V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25101,"kind":"organization","name":"Foresite Capital Opportunity Fund V, L.P.","position":4,"cik":"0001792205","reported_name":"Foresite Capital Opportunity Fund V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}},{"id":25100,"kind":"organization","name":"Foresite Capital Opportunity Management V, LLC","position":5,"cik":"0001792207","reported_name":"Foresite Capital Opportunity Management V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":true,"other_text":"Director by Deputization"}}],"security":"Common Stock","published_at":"2021-02-09T20:04:33.000Z","date":"2021-02-05","kind":"grant","acquired":true,"shares":1500000,"price":10,"value":15000000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares of common stock obtained in private placement of public securities (\"PIPE\") on February 5, 2021."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares of the Issuer's common stock are held of record by FS Development Holdings, LLC (\"FSD Holdings\"). Foresite Capital Management V LLC (\"FCMVLLC\") and Foresite Capital Opportunity Management V, LLC (\"FCOMVLLC\") are general partners, respectively, of Foresite Capital Fund V, L.P. (\"Capital Fund V L.P.\") and Foresite Capital Opportunity Fund V, L.P. (\"Opportunity Fund V .L.P.\"), the sole shareholders of FSD Holdings. Each of FCMVLLC, FCOMVLLC, Capital Fund V L.P and Opportunity Fund V L.P. disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein."}],"balance_after":1500000,"source":{"system":"sec-edgar","filing":"0001213900-21-007713","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1816736/000121390021007713/ownership.xml","form_type":"4"}},{"id":3004213,"issuer":{"id":2273,"kind":"organization","name":"Disc Medicine, Inc.","symbol":"IRON"},"owners":[{"id":142903,"kind":"organization","name":"FS Development Holdings, LLC","position":1,"cik":"0001820810","reported_name":"FS Development Holdings, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":25099,"kind":"organization","name":"Foresite Capital Fund V, L.P.","position":2,"cik":"0001792204","reported_name":"Foresite Capital Fund V, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":25098,"kind":"organization","name":"Foresite Capital Management V, LLC","position":3,"cik":"0001792206","reported_name":"Foresite Capital Management V, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":25096,"kind":"person","name":"Tananbaum James B.","position":4,"cik":"0001581754","reported_name":"Tananbaum James B.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"President & CEO"}}],"security":"Class A Common Stock","published_at":"2020-10-20T00:49:30.000Z","date":"2020-08-14","kind":"purchase","acquired":true,"shares":441500,"price":10,"value":4415000.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The transaction was inadvertently omitted from reporting due to an administrative oversight."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The reported shares of Class A common stock were purchased in a private placement by FS Development Holdings, LLC (the \"Sponsor\") for $10.00 per share, as described under the heading \"Description of Securities\" in the Issuer's registration statement on Form S-1 (File No. 333-240098)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"The Sponsor is the record holder of the shares reported herein. Foresite Capital Fund V, L.P. (\"Fund V\"), its general partner Foresite Capital Management V, LLC (\"FCM V\"), and Dr. James Tananbaum, the managing member of FCM V, have voting and investment discretion with respect to the common stock held of record by the Sponsor. Each of Fund V, FCM V, their respective members and Dr. Tananbaum disclaim beneficial ownership of these shares except to the extent of any pecuniary interest therein."}],"balance_after":441500,"source":{"system":"sec-edgar","filing":"0001213900-20-032139","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1816736/000121390020032139/ownership.xml","form_type":"4"}}]}