{"transactions":[{"id":2566333,"issuer":{"id":15754,"kind":"organization","name":"Jounce Therapeutics, Inc.","symbol":"JNCE"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":4,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":6,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-09-17T16:15:22.000Z","date":"2021-09-15","kind":"other","acquired":false,"shares":1750000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a 10b5-1 trading plan adopted on November 18, 2020 by Third Rock Ventures II, L.P. (\"TRV II\"), TRV II distributed for no consideration, 1,750,000 shares of Common Stock of the Issuer (the \"Shares\") on September 15, 2021, to its limited partners and to Third Rock Ventures GP II, L.P. (\"TRV GP II\"), the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a 10b5-1 trading plan adopted on November 18, 2020 by Third Rock Ventures II, L.P. (\"TRV II\"), TRV II distributed for no consideration, 1,750,000 shares of Common Stock of the Issuer (the \"Shares\") on September 15, 2021, to its limited partners and to Third Rock Ventures GP II, L.P. (\"TRV GP II\"), the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":2697829,"source":{"system":"sec-edgar","filing":"0000899243-21-036411","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924321036411/doc4.xml","form_type":"4"}},{"id":2670486,"issuer":{"id":15754,"kind":"organization","name":"Jounce Therapeutics, Inc.","symbol":"JNCE"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":4,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":6,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-06-14T16:19:56.000Z","date":"2021-06-10","kind":"other","acquired":false,"shares":1500000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a 10b5-1 trading plan adopted on November 18, 2020 by Third Rock Ventures II, L.P. (\"TRV II\"), TRV II distributed for no consideration, 1,500,000 shares of Common Stock of the Issuer (the \"Shares\") on June 10, 2021, to its limited partners and to Third Rock Ventures GP II, L.P. (\"TRV GP II\"), the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a 10b5-1 trading plan adopted on November 18, 2020 by Third Rock Ventures II, L.P. (\"TRV II\"), TRV II distributed for no consideration, 1,500,000 shares of Common Stock of the Issuer (the \"Shares\") on June 10, 2021, to its limited partners and to Third Rock Ventures GP II, L.P. (\"TRV GP II\"), the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":4447829,"source":{"system":"sec-edgar","filing":"0000899243-21-023555","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924321023555/doc4.xml","form_type":"4"}},{"id":2679577,"issuer":{"id":606,"kind":"organization","name":"Revolution Medicines, Inc.","symbol":"RVMD"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":4,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":6,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-06-07T18:10:38.000Z","date":"2021-06-04","kind":"sale","acquired":false,"shares":164996,"price":30.23,"value":4987829.08,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.10 to $30.76, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-21-022345","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924321022345/doc4.xml","form_type":"4"}},{"id":2679576,"issuer":{"id":606,"kind":"organization","name":"Revolution Medicines, Inc.","symbol":"RVMD"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":4,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":6,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-06-07T18:10:38.000Z","date":"2021-06-03","kind":"sale","acquired":false,"shares":378117,"price":30.2,"value":11419133.4,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.00 to $30.50, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":164996,"source":{"system":"sec-edgar","filing":"0000899243-21-022345","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924321022345/doc4.xml","form_type":"4"}},{"id":2693747,"issuer":{"id":606,"kind":"organization","name":"Revolution Medicines, Inc.","symbol":"RVMD"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":4,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":6,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-27T17:43:46.000Z","date":"2021-05-26","kind":"sale","acquired":false,"shares":1231204,"price":30.53,"value":37588658.12,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.50 to $31.14, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares"}],"balance_after":543113,"source":{"system":"sec-edgar","filing":"0000899243-21-020885","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924321020885/doc4.xml","form_type":"4"}},{"id":2693746,"issuer":{"id":606,"kind":"organization","name":"Revolution Medicines, Inc.","symbol":"RVMD"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":4,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":6,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-27T17:43:46.000Z","date":"2021-05-25","kind":"sale","acquired":false,"shares":135000,"price":30.93,"value":4175550.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.85 to $31.25, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares"}],"balance_after":1774317,"source":{"system":"sec-edgar","filing":"0000899243-21-020885","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924321020885/doc4.xml","form_type":"4"}},{"id":2693745,"issuer":{"id":15754,"kind":"organization","name":"Jounce Therapeutics, Inc.","symbol":"JNCE"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":4,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":6,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-05-27T17:42:04.000Z","date":"2021-05-25","kind":"sale","acquired":false,"shares":552520,"price":8,"value":4420160.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.00 to $8.06, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":5947829,"source":{"system":"sec-edgar","filing":"0000899243-21-020883","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924321020883/doc4.xml","form_type":"4"}},{"id":2789455,"issuer":{"id":15754,"kind":"organization","name":"Jounce Therapeutics, Inc.","symbol":"JNCE"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":4,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":6,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-03-15T16:15:26.000Z","date":"2021-03-11","kind":"other","acquired":false,"shares":1250000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a 10b5-1 trading plan adopted on November 18, 2020 by Third Rock Ventures II, L.P. (\"TRV II\"), TRV II distributed for no consideration, 1,250,000 shares of Common Stock of the Issuer (the \"Shares\") on March 11, 2021, to its limited partners and to Third Rock Ventures GP II, L.P. (\"TRV GP II\"), the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a 10b5-1 trading plan adopted on November 18, 2020 by Third Rock Ventures II, L.P. (\"TRV II\"), TRV II distributed for no consideration, 1,250,000 shares of Common Stock of the Issuer (the \"Shares\") on March 11, 2021, to its limited partners and to Third Rock Ventures GP II, L.P. (\"TRV GP II\"), the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). 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The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock converted into Common Stock on a one-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are directly held by TRV III. The general partner of TRV III is Third Rock Ventures GP III, L.P. (\"TRV GP III\"). The general partner of TRV GP III is TRV GP III, LLC (\"TRV GP III LLC\"). The individual managers of TRV GP III LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":342505},"source":{"system":"sec-edgar","filing":"0000899243-20-004930","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924320004930/doc4.xml","form_type":"4"}},{"id":3267115,"issuer":{"id":606,"kind":"organization","name":"Revolution Medicines, Inc.","symbol":"RVMD"},"owners":[{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":1,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":2,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":3,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":4,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":5,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":6,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":8,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":9,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2020-02-18T17:21:49.000Z","date":"2020-02-18","kind":"exercise","acquired":false,"shares":8220641,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock converted into Common Stock on a one-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock converted into Common Stock on a one-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock converted into Common Stock on a one-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are directly held by TRV III. The general partner of TRV III is Third Rock Ventures GP III, L.P. (\"TRV GP III\"). The general partner of TRV GP III is TRV GP III, LLC (\"TRV GP III LLC\"). The individual managers of TRV GP III LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":8220641},"source":{"system":"sec-edgar","filing":"0000899243-20-004930","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924320004930/doc4.xml","form_type":"4"}},{"id":3267114,"issuer":{"id":606,"kind":"organization","name":"Revolution Medicines, Inc.","symbol":"RVMD"},"owners":[{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":1,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":2,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":3,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":4,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":5,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":6,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":8,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":9,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-02-18T17:21:49.000Z","date":"2020-02-18","kind":"exercise","acquired":true,"shares":1909317,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents the total number of shares of Common Stock received by Third Rock Ventures II, L.P. 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The individual managers of TRV GP III LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":1909317,"source":{"system":"sec-edgar","filing":"0000899243-20-004930","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924320004930/doc4.xml","form_type":"4"}},{"id":3267113,"issuer":{"id":606,"kind":"organization","name":"Revolution Medicines, Inc.","symbol":"RVMD"},"owners":[{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":1,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":2,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":3,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":4,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":5,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":6,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":8,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":9,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2020-02-18T17:21:49.000Z","date":"2020-02-18","kind":"exercise","acquired":true,"shares":8613025,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the total number of shares of Common Stock received by Third Rock Ventures III, L.P. 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The general partner of TRV GP III is TRV GP III, LLC (\"TRV GP III LLC\"). The individual managers of TRV GP III LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":9024031,"source":{"system":"sec-edgar","filing":"0000899243-20-004930","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924320004930/doc4.xml","form_type":"4"}},{"id":4008478,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-03-07T16:00:43.000Z","date":"2018-03-07","kind":"other","acquired":false,"shares":2000000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on March 7, 2018, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on March 7, 2018, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II LLC. The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":885104,"source":{"system":"sec-edgar","filing":"0000899243-18-006627","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924318006627/doc4.xml","form_type":"4"}},{"id":4063064,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2018-02-13T16:00:34.000Z","date":"2017-09-28","kind":"other","acquired":false,"shares":2000000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on September 28, 2017, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on September 28, 2017, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II LLC. The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":4885104,"source":{"system":"sec-edgar","filing":"0000899243-18-003665","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924318003665/doc4a.xml","form_type":"4/A","original_submission_date":"2017-09-29"}},{"id":4138060,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-12-08T16:30:27.000Z","date":"2017-12-06","kind":"other","acquired":false,"shares":2000000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on December 6, 2017, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on December 6, 2017, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II LLC. The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":2885104,"source":{"system":"sec-edgar","filing":"0000899243-17-028251","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317028251/doc4.xml","form_type":"4"}},{"id":4171545,"issuer":{"id":130904,"kind":"organization","name":"Allena Pharmaceuticals, Inc.","symbol":"ALNA"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":5,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2017-11-06T16:00:47.000Z","date":"2017-11-06","kind":"exercise","acquired":false,"shares":4629630,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The Series A Preferred Stock and Series B Preferred Stock converted into Common Stock on a 4.174-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock and Series B Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Series A Preferred Stock and Series B Preferred Stock converted into Common Stock on a 4.174-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock and Series B Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Series A Preferred Stock and Series B Preferred Stock converted into Common Stock on a 4.174-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock and Series B Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are directly held by TRV II. The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1109159},"source":{"system":"sec-edgar","filing":"0000899243-17-025425","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317025425/doc4.xml","form_type":"4"}},{"id":4171544,"issuer":{"id":130904,"kind":"organization","name":"Allena Pharmaceuticals, Inc.","symbol":"ALNA"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":5,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2017-11-06T16:00:47.000Z","date":"2017-11-06","kind":"exercise","acquired":false,"shares":6122448,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The Series A Preferred Stock and Series B Preferred Stock converted into Common Stock on a 4.174-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock and Series B Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The Series A Preferred Stock and Series B Preferred Stock converted into Common Stock on a 4.174-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock and Series B Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The Series A Preferred Stock and Series B Preferred Stock converted into Common Stock on a 4.174-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock and Series B Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are directly held by TRV II. The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1466805},"source":{"system":"sec-edgar","filing":"0000899243-17-025425","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317025425/doc4.xml","form_type":"4"}},{"id":4171543,"issuer":{"id":130904,"kind":"organization","name":"Allena Pharmaceuticals, Inc.","symbol":"ALNA"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":5,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-11-06T16:00:47.000Z","date":"2017-11-06","kind":"purchase","acquired":true,"shares":215000,"price":14,"value":3010000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents shares of Common Stock purchased by TRV II in the Issuer's initial public offering."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are directly held by TRV II. The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":2790964,"source":{"system":"sec-edgar","filing":"0000899243-17-025425","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317025425/doc4.xml","form_type":"4"}},{"id":4171542,"issuer":{"id":130904,"kind":"organization","name":"Allena Pharmaceuticals, Inc.","symbol":"ALNA"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":5,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-11-06T16:00:47.000Z","date":"2017-11-06","kind":"exercise","acquired":true,"shares":2575964,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the total number of shares of Common Stock received by Third Rock Ventures II, L.P. (\"TRV II\") upon conversion of the Series A Preferred Stock and Series B Preferred Stock of the Issuer in connection with the closing of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The Series A Preferred Stock and Series B Preferred Stock converted into Common Stock on a 4.174-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock and Series B Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are directly held by TRV II. The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":2575964,"source":{"system":"sec-edgar","filing":"0000899243-17-025425","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317025425/doc4.xml","form_type":"4"}},{"id":4199190,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-09-29T16:00:31.000Z","date":"2017-09-28","kind":"other","acquired":false,"shares":2000000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on September 28, 2017, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on September 28, 2017, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II LLC. The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":4885104,"source":{"system":"sec-edgar","filing":"0000899243-17-022948","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317022948/doc4.xml","form_type":"4"}},{"id":4201007,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-09-27T16:01:15.000Z","date":"2017-09-26","kind":"sale","acquired":false,"shares":400000,"price":43,"value":17200000.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":6885104,"source":{"system":"sec-edgar","filing":"0000899243-17-022639","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317022639/doc4.xml","form_type":"4"}},{"id":4201006,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-09-27T16:01:15.000Z","date":"2017-09-25","kind":"sale","acquired":false,"shares":201400,"price":43,"value":8660200.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":7285104,"source":{"system":"sec-edgar","filing":"0000899243-17-022639","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317022639/doc4.xml","form_type":"4"}},{"id":4211800,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-09-12T16:05:29.000Z","date":"2017-09-11","kind":"sale","acquired":false,"shares":20000,"price":44.254,"value":885080.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Sale executed by Tepper."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.05 to $44.425, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (4)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Third Rock Ventures III, L.P. (\"TRV III\") directly holds 1,496,598 shares of Common Stock of the Issuer. The general partner of TRV III is Third Rock Ventures GP III, L.P. (\"TRV GP III\"). The general partner of TRV GP III is TRV GP III, LLC (\"TRV GP III LLC\"). The individual managers of TRV GP III LLC are Levin, Starr and Tepper. Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Third Rock Ventures III, L.P. (\"TRV III\") directly holds 1,496,598 shares of Common Stock of the Issuer. The general partner of TRV III is Third Rock Ventures GP III, L.P. (\"TRV GP III\"). The general partner of TRV GP III is TRV GP III, LLC (\"TRV GP III LLC\"). The individual managers of TRV GP III LLC are Levin, Starr and Tepper. Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The shares are directly held by Tepper."}],"balance_after":57651,"source":{"system":"sec-edgar","filing":"0000899243-17-021893","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317021893/doc4.xml","form_type":"4"}},{"id":4211799,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-09-12T16:05:29.000Z","date":"2017-09-08","kind":"sale","acquired":false,"shares":900,"price":42.388,"value":38149.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.20 to $42.45, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":7486504,"source":{"system":"sec-edgar","filing":"0000899243-17-021893","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317021893/doc4.xml","form_type":"4"}},{"id":4211798,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-09-12T16:05:29.000Z","date":"2017-09-08","kind":"sale","acquired":false,"shares":200350,"price":41,"value":8214350.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":7487404,"source":{"system":"sec-edgar","filing":"0000899243-17-021893","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317021893/doc4.xml","form_type":"4"}},{"id":4279287,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":6,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-06-16T16:05:25.000Z","date":"2017-06-14","kind":"other","acquired":false,"shares":1000000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on June 14, 2017, for no consideration, 1,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on June 14, 2017, for no consideration, 1,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II LLC. The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":2475191,"source":{"system":"sec-edgar","filing":"0000899243-17-016554","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317016554/doc4.xml","form_type":"4"}},{"id":4311915,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":6,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-05-19T16:14:20.000Z","date":"2017-05-17","kind":"other","acquired":false,"shares":1000000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects gifts by Mark Levin (\"Levin\"). The remaining shares are directly held by Levin."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on May 17, 2017, for no consideration, 1,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II LLC. The individual managers of TRV GP II LLC are Levin, Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":3475191,"source":{"system":"sec-edgar","filing":"0000899243-17-013908","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317013908/doc4.xml","form_type":"4"}},{"id":4311914,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":6,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-05-19T16:14:20.000Z","date":"2017-04-18","kind":"gift","acquired":false,"shares":1708,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects gifts by Mark Levin (\"Levin\"). The remaining shares are directly held by Levin."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Reflects gifts by Mark Levin (\"Levin\"). The remaining shares are directly held by Levin."}],"balance_after":163996,"source":{"system":"sec-edgar","filing":"0000899243-17-013908","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317013908/doc4.xml","form_type":"4"}},{"id":4311913,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":6,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-05-19T16:14:20.000Z","date":"2017-04-11","kind":"gift","acquired":false,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects gifts by Mark Levin (\"Levin\"). The remaining shares are directly held by Levin."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"Reflects gifts by Mark Levin (\"Levin\"). The remaining shares are directly held by Levin."}],"balance_after":165704,"source":{"system":"sec-edgar","filing":"0000899243-17-013908","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317013908/doc4.xml","form_type":"4"}},{"id":4356931,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":6,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-04-06T16:00:44.000Z","date":"2017-04-06","kind":"other","acquired":false,"shares":2000000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on April 6, 2017, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on April 6, 2017, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II LLC. The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":4475191,"source":{"system":"sec-edgar","filing":"0000899243-17-009646","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317009646/doc4.xml","form_type":"4"}},{"id":4365309,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-04-03T16:01:56.000Z","date":"2017-03-30","kind":"other","acquired":false,"shares":850000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on March 30, 2017, for no consideration, 850,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on March 30, 2017, for no consideration, 850,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II LLC. The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":7687754,"source":{"system":"sec-edgar","filing":"0000899243-17-009104","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317009104/doc4.xml","form_type":"4"}},{"id":4400628,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":8,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":9,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-03-06T19:47:42.000Z","date":"2017-03-02","kind":"sale","acquired":false,"shares":10900,"price":28.729,"value":313146.1,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.50 to $28.975, inclusive."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"These shares are directly held by Levin."}],"balance_after":146208,"source":{"system":"sec-edgar","filing":"0000899243-17-006623","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317006623/doc4.xml","form_type":"4"}},{"id":4400627,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":8,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":9,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-03-06T19:47:42.000Z","date":"2017-03-02","kind":"sale","acquired":false,"shares":7279,"price":27.686,"value":201526.394,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.35 to $28.275, inclusive."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"These shares are directly held by Levin."}],"balance_after":157108,"source":{"system":"sec-edgar","filing":"0000899243-17-006623","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317006623/doc4.xml","form_type":"4"}},{"id":4400626,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":8,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":9,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-03-06T19:47:42.000Z","date":"2017-03-02","kind":"sale","acquired":false,"shares":27115,"price":26.952,"value":730803.48,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.35 to $27.30, inclusive. Levin undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3), (5) and (6) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"These shares are directly held by Levin."}],"balance_after":164387,"source":{"system":"sec-edgar","filing":"0000899243-17-006623","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317006623/doc4.xml","form_type":"4"}},{"id":4400625,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":8,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":9,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-03-06T19:47:42.000Z","date":"2017-03-02","kind":"sale","acquired":false,"shares":1000000,"price":25.5,"value":25500000.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by Third Rock Ventures III, L.P. 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Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":285713,"source":{"system":"sec-edgar","filing":"0000899243-17-006623","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317006623/doc4.xml","form_type":"4"}},{"id":4400624,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":8,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":9,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-03-06T19:47:42.000Z","date":"2017-03-02","kind":"sale","acquired":false,"shares":1000000,"price":25.5,"value":25500000.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"These shares are directly held by Third Rock Ventures II, L.P. 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Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":6475191,"source":{"system":"sec-edgar","filing":"0000899243-17-006623","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317006623/doc4.xml","form_type":"4"}},{"id":4418044,"issuer":{"id":77326,"kind":"organization","name":"Blueprint Medicines Corp","symbol":"BPMC"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":5,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":6,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-02-28T16:50:29.000Z","date":"2017-02-27","kind":"other","acquired":false,"shares":1000000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), TRV II distributed on February 27, 2017, for no consideration, 1,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to Third Rock Ventures GP II, L.P. (\"TRV GP II\"), the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), TRV II distributed on February 27, 2017, for no consideration, 1,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to Third Rock Ventures GP II, L.P. (\"TRV GP II\"), the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":3453753,"source":{"system":"sec-edgar","filing":"0000899243-17-005572","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317005572/doc4.xml","form_type":"4"}},{"id":4459660,"issuer":{"id":77326,"kind":"organization","name":"Blueprint Medicines Corp","symbol":"BPMC"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":5,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":6,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-02-09T17:21:01.000Z","date":"2017-02-07","kind":"sale","acquired":false,"shares":1000000,"price":35.275,"value":35275000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.25 to $35.45, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1)."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":4453753,"source":{"system":"sec-edgar","filing":"0000899243-17-003297","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317003297/doc4.xml","form_type":"4"}},{"id":4468843,"issuer":{"id":15754,"kind":"organization","name":"Jounce Therapeutics, Inc.","symbol":"JNCE"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":8,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2017-02-03T17:13:08.000Z","date":"2017-02-01","kind":"exercise","acquired":false,"shares":11250000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each share of Series A Preferred Stock converted into Common Stock on a one-for-3.69 basis upon the closing of the Issuer's initial public offering without payment or consideration. Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each share of Series A Preferred Stock converted into Common Stock on a one-for-3.69 basis upon the closing of the Issuer's initial public offering without payment or consideration. Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Each share of Series A Preferred Stock converted into Common Stock on a one-for-3.69 basis upon the closing of the Issuer's initial public offering without payment or consideration. Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"These shares are directly held by TRV III. The general partner of TRV III is Third Rock Ventures GP III, L.P. (\"TRV GP III\"). The general partner of TRV GP III is TRV GP III, LLC (\"TRV GP III LLC\"). The individual managers of TRV GP III LLC are Levin, Starr and Tepper. Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":3048780},"source":{"system":"sec-edgar","filing":"0000899243-17-002744","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317002744/doc4.xml","form_type":"4"}},{"id":4468842,"issuer":{"id":15754,"kind":"organization","name":"Jounce Therapeutics, Inc.","symbol":"JNCE"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":8,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Preferred Stock","published_at":"2017-02-03T17:13:08.000Z","date":"2017-02-01","kind":"exercise","acquired":false,"shares":35750000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each share of Series A Preferred Stock converted into Common Stock on a one-for-3.69 basis upon the closing of the Issuer's initial public offering without payment or consideration. Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each share of Series A Preferred Stock converted into Common Stock on a one-for-3.69 basis upon the closing of the Issuer's initial public offering without payment or consideration. Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Each share of Series A Preferred Stock converted into Common Stock on a one-for-3.69 basis upon the closing of the Issuer's initial public offering without payment or consideration. Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"These shares are directly held by TRV II. The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":9688344},"source":{"system":"sec-edgar","filing":"0000899243-17-002744","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317002744/doc4.xml","form_type":"4"}},{"id":4468841,"issuer":{"id":15754,"kind":"organization","name":"Jounce Therapeutics, Inc.","symbol":"JNCE"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":8,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-02-03T17:13:08.000Z","date":"2017-02-01","kind":"exercise","acquired":true,"shares":3048780,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the total number of shares of Common Stock received by Third Rock Ventures III, L.P. (\"TRV III\") upon conversion of Series A Preferred Stock in connection with the closing of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Each share of Series A Preferred Stock converted into Common Stock on a one-for-3.69 basis upon the closing of the Issuer's initial public offering without payment or consideration. Each share of Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"These shares are directly held by TRV III. The general partner of TRV III is Third Rock Ventures GP III, L.P. (\"TRV GP III\"). The general partner of TRV GP III is TRV GP III, LLC (\"TRV GP III LLC\"). The individual managers of TRV GP III LLC are Levin, Starr and Tepper. Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":3048780,"source":{"system":"sec-edgar","filing":"0000899243-17-002744","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317002744/doc4.xml","form_type":"4"}},{"id":4468840,"issuer":{"id":15754,"kind":"organization","name":"Jounce Therapeutics, Inc.","symbol":"JNCE"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":8,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2017-02-03T17:13:08.000Z","date":"2017-02-01","kind":"exercise","acquired":true,"shares":9688344,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the total number of shares of Common Stock received by Third Rock Ventures II, L.P. 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The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":10230349,"source":{"system":"sec-edgar","filing":"0000899243-17-002744","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924317002744/doc4.xml","form_type":"4"}},{"id":4519068,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":2,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":3,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":4,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":5,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":6,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-12-16T16:06:14.000Z","date":"2016-12-14","kind":"other","acquired":false,"shares":2000000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on December 14, 2016, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on December 14, 2016, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II LLC. The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":7475191,"source":{"system":"sec-edgar","filing":"0000899243-16-035757","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924316035757/doc4.xml","form_type":"4"}},{"id":4537246,"issuer":{"id":145206,"kind":"organization","name":"MyoKardia, Inc.","symbol":"MYOK"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-12-01T17:29:49.000Z","date":"2016-11-29","kind":"other","acquired":false,"shares":850000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on November 29, 2016, for no consideration, 850,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to a Rule 10b5-1 trading plan adopted by Third Rock Ventures II, L.P. (\"TRV II\"), Third Rock Ventures GP II, L.P. (\"TRV GP II\") and TRV GP II, LLC (\"TRV GP II LLC\"), TRV II distributed on November 29, 2016, for no consideration, 850,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to TRV GP II, the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II LLC. The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":8537754,"source":{"system":"sec-edgar","filing":"0000899243-16-034696","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924316034696/doc4.xml","form_type":"4"}},{"id":4553116,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":8,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":9,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-11-16T16:12:56.000Z","date":"2016-11-14","kind":"sale","acquired":false,"shares":1000000,"price":19.36,"value":19360000.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by Third Rock Ventures III, L.P. (\"TRV III\"). The general partner of TRV III is Third Rock Ventures GP III, L.P. (\"TRV GP III\"). The general partner of TRV GP III is TRV GP III, LLC (\"TRV GP III LLC\"). The individual managers of TRV GP III LLC are Levin, Starr and Tepper. Each of TRV GP III, TRV GP III LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":1285713,"source":{"system":"sec-edgar","filing":"0000899243-16-033679","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924316033679/doc4.xml","form_type":"4"}},{"id":4553115,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117227,"kind":"organization","name":"Third Rock Ventures III, L.P.","position":4,"cik":"0001569705","reported_name":"Third Rock Ventures III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":117228,"kind":"organization","name":"Third Rock Ventures GP III, L.P.","position":5,"cik":"0001637300","reported_name":"Third Rock Ventures GP III, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104800,"kind":"organization","name":"TRV GP III, LLC","position":6,"cik":"0001637299","reported_name":"TRV GP III, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":7,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":8,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":9,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-11-16T16:12:56.000Z","date":"2016-11-14","kind":"sale","acquired":false,"shares":1000000,"price":19.36,"value":19360000.0,"ownership":{"direct":true},"footnotes":[{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F1","text":"These shares are directly held by Third Rock Ventures II, L.P. (\"TRV II\"). The general partner of TRV II is Third Rock Ventures GP II, L.P. (\"TRV GP II\"). The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":9475191,"source":{"system":"sec-edgar","filing":"0000899243-16-033679","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924316033679/doc4.xml","form_type":"4"}},{"id":4565446,"issuer":{"id":123220,"kind":"organization","name":"Global Blood Therapeutics, Inc.","symbol":"GBT"},"owners":[{"id":135402,"kind":"organization","name":"Third Rock Ventures II, L.P.","position":1,"cik":"0001488495","reported_name":"Third Rock Ventures II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":135403,"kind":"organization","name":"Third Rock Ventures GP II, L.P.","position":2,"cik":"0001614061","reported_name":"Third Rock Ventures GP II, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105511,"kind":"organization","name":"TRV GP II, LLC","position":3,"cik":"0001614073","reported_name":"TRV GP II, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105517,"kind":"person","name":"Levin Mark J","position":4,"cik":"0001180428","reported_name":"LEVIN MARK J","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":104809,"kind":"person","name":"Tepper Robert I","position":5,"cik":"0001192595","reported_name":"TEPPER ROBERT I","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":105515,"kind":"person","name":"STARR KEVIN P","position":6,"cik":"0001192603","reported_name":"STARR KEVIN P","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2016-11-07T17:57:57.000Z","date":"2016-11-03","kind":"other","acquired":false,"shares":2000000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On November 3, 2016, Third Rock Ventures II, L.P. (\"TRV II\") distributed, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to Third Rock Ventures GP II, L.P. (\"TRV GP II\"), the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On November 3, 2016, Third Rock Ventures II, L.P. (\"TRV II\") distributed, for no consideration, 2,000,000 shares of Common Stock of the Issuer (the \"Shares\") to its limited partners and to Third Rock Ventures GP II, L.P. (\"TRV GP II\"), the general partner of TRV II, representing each such partner's pro rata interest in such Shares. On the same date, TRV GP II distributed, for no consideration, the Shares it received in the distribution by TRV II to its partners, representing each such partner's pro rata interest in such Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"These shares are directly held by TRV II. The general partner of TRV II is TRV GP II. The general partner of TRV GP II is TRV GP II, LLC (\"TRV GP II LLC\"). The individual managers of TRV GP II LLC are Mark Levin (\"Levin\"), Kevin Starr (\"Starr\") and Dr. Robert Tepper (\"Tepper\"). Each of TRV GP II, TRV GP II LLC, Levin, Starr and Tepper disclaims beneficial ownership of the shares except to the extent of its or his pecuniary interest therein, if any, and this report shall not be deemed an admission that it or he is the beneficial owner of such shares."}],"balance_after":10475191,"source":{"system":"sec-edgar","filing":"0000899243-16-032856","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1180428/000089924316032856/doc4.xml","form_type":"4"}}]}