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Each of PMC VII, the Managing Members and Ms. Schulman disclaim beneficial ownership of these shares and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"These shares are held of record by Polaris Partners VII, L.P (\"PP VII\"). PMC VII is the general partner of PP VII. The Managing Members are the managing members of PMC VII. Ms. Schulman, a member of the Issuer's board of directors, holds an interest in PMC VII."}],"balance_after":2549306,"source":{"system":"sec-edgar","filing":"0000899243-20-030317","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1604477/000089924320030317/doc4.xml","form_type":"4"}},{"id":2994135,"issuer":{"id":112267,"kind":"organization","name":"SQZ Biotechnologies Co","symbol":"SQZ"},"owners":[{"id":75507,"kind":"organization","name":"Polaris Management Co. VII, L.L.C.","position":1,"cik":"0001678203","reported_name":"Polaris Management Co. 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Polaris Management Co. VII, L.L.C. (\"PMC VII\") is the general partner of EF VII. David Barrett, Brian Chee, Amir Nashat and Bryce Youngren (the \"Managing Members\") are the managing members of PMC VII. Amy Schulman (\"Ms. Schulman\"), a member of the Issuer's board of directors, holds an interest in PMC VII."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of the Managing Members and Ms. Schulman, in their respective capacities with respect to PMC VII, may be deemed to have shared investment, voting and dispositive power over these shares. Each of PMC VII, the Managing Members and Ms. Schulman disclaim beneficial ownership of these shares and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":178340,"source":{"system":"sec-edgar","filing":"0000899243-20-030317","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1604477/000089924320030317/doc4.xml","form_type":"4"}},{"id":2994134,"issuer":{"id":112267,"kind":"organization","name":"SQZ Biotechnologies Co","symbol":"SQZ"},"owners":[{"id":75507,"kind":"organization","name":"Polaris Management Co. VII, L.L.C.","position":1,"cik":"0001678203","reported_name":"Polaris Management Co. 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The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of the Managing Members and Ms. Schulman, in their respective capacities with respect to PMC VII, may be deemed to have shared investment, voting and dispositive power over these shares. Each of PMC VII, the Managing Members and Ms. Schulman disclaim beneficial ownership of these shares and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"These shares are held of record by Polaris Partners VII, L.P (\"PP VII\"). PMC VII is the general partner of PP VII. The Managing Members are the managing members of PMC VII. 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The shares have no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are held of record by Polaris Entrepreneurs' Fund VII, L.P. (\"EF VII\"). Polaris Management Co. VII, L.L.C. (\"PMC VII\") is the general partner of EF VII. David Barrett, Brian Chee, Amir Nashat and Bryce Youngren (the \"Managing Members\") are the managing members of PMC VII. Amy Schulman (\"Ms. Schulman\"), a member of the Issuer's board of directors, holds an interest in PMC VII."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Each of the Managing Members and Ms. Schulman, in their respective capacities with respect to PMC VII, may be deemed to have shared investment, voting and dispositive power over these shares. Each of PMC VII, the Managing Members and Ms. Schulman disclaim beneficial ownership of these shares and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":161994,"source":{"system":"sec-edgar","filing":"0000899243-20-030317","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1604477/000089924320030317/doc4.xml","form_type":"4"}},{"id":3024476,"issuer":{"id":115177,"kind":"organization","name":"Metacrine, Inc.","symbol":"MTCR"},"owners":[{"id":75507,"kind":"organization","name":"Polaris Management Co. VII, L.L.C.","position":1,"cik":"0001678203","reported_name":"Polaris Management Co. 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Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The reportable securities are owned directly by Polaris Entrepreneurs' Fund VII, L.P. (\"PEF VII\"). PMC VII is the general partner of PEF VII. Each of the Managing Members, in their respective capacities with respect to PMC VII, may be deemed to have shared voting and dispositive power over the shares held by PEF VII."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"(continued from Footnote 3) Each of PMC VII and the Managing Members disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":15118},"source":{"system":"sec-edgar","filing":"0001209191-20-051505","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1611189/000120919120051505/doc4.xml","form_type":"4"}},{"id":3024475,"issuer":{"id":115177,"kind":"organization","name":"Metacrine, Inc.","symbol":"MTCR"},"owners":[{"id":75507,"kind":"organization","name":"Polaris Management Co. 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Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reportable securities are owned directly by Polaris Partners VII, L.P. (\"PP VII\"). Polaris Management Co. VII, L.L.C. (\"PMC VII\") is the general partner of PP VII. Each of Amir Nashat (\"Nashat\"), a member of the Issuer's Board of Directors, David Barrett (\"Barrett\"), Brian Chee (\"Chee\") and Bryce Youngren (\"Youngren\" and, together with Nashat, Barrett and Chee, the \"Managing Members\") are the managing members of PMC VII. Each of the Managing Members, in their respective capacities with respect to PMC VII, may be deemed to have shared voting and dispositive power over the shares held by PP VII."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(continued from Footnote 2) Each of PMC VII and the Managing Members disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":216106},"source":{"system":"sec-edgar","filing":"0001209191-20-051505","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1611189/000120919120051505/doc4.xml","form_type":"4"}},{"id":3024474,"issuer":{"id":115177,"kind":"organization","name":"Metacrine, Inc.","symbol":"MTCR"},"owners":[{"id":75507,"kind":"organization","name":"Polaris Management Co. 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Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The reportable securities are owned directly by Polaris Entrepreneurs' Fund VII, L.P. (\"PEF VII\"). PMC VII is the general partner of PEF VII. Each of the Managing Members, in their respective capacities with respect to PMC VII, may be deemed to have shared voting and dispositive power over the shares held by PEF VII."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"(continued from Footnote 3) Each of PMC VII and the Managing Members disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":20585},"source":{"system":"sec-edgar","filing":"0001209191-20-051505","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1611189/000120919120051505/doc4.xml","form_type":"4"}},{"id":3024473,"issuer":{"id":115177,"kind":"organization","name":"Metacrine, Inc.","symbol":"MTCR"},"owners":[{"id":75507,"kind":"organization","name":"Polaris Management Co. 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Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The reportable securities are owned directly by Polaris Partners VII, L.P. (\"PP VII\"). Polaris Management Co. VII, L.L.C. (\"PMC VII\") is the general partner of PP VII. Each of Amir Nashat (\"Nashat\"), a member of the Issuer's Board of Directors, David Barrett (\"Barrett\"), Brian Chee (\"Chee\") and Bryce Youngren (\"Youngren\" and, together with Nashat, Barrett and Chee, the \"Managing Members\") are the managing members of PMC VII. Each of the Managing Members, in their respective capacities with respect to PMC VII, may be deemed to have shared voting and dispositive power over the shares held by PP VII."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"(continued from Footnote 2) Each of PMC VII and the Managing Members disclaims beneficial ownership of these securities and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":451666},"source":{"system":"sec-edgar","filing":"0001209191-20-051505","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1611189/000120919120051505/doc4.xml","form_type":"4"}},{"id":3024472,"issuer":{"id":115177,"kind":"organization","name":"Metacrine, Inc.","symbol":"MTCR"},"owners":[{"id":75507,"kind":"organization","name":"Polaris Management Co. 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Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Every 5.1 shares of Series A Convertible Preferred Stock, Series B Convertible Preferred Stock and Series C Convertible Preferred Stock (the \"Preferred Stock\") automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering. Share numbers give effect to such conversion.  The Preferred Stock had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The reportable securities are owned directly by Polaris Entrepreneurs' Fund VII, L.P. (\"PEF VII\"). PMC VII is the general partner of PEF VII. 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