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Crandell, Bybee and Nelsen disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock, par value $0.001","underlying_shares":665661},"source":{"system":"sec-edgar","filing":"0001104659-20-138752","document":"tm2039218d7_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1402439/000110465920138752/tm2039218d7_4.xml","form_type":"4"}},{"id":2934458,"issuer":{"id":5564,"kind":"organization","name":"908 Devices Inc.","symbol":"MASS"},"owners":[{"id":73813,"kind":"organization","name":"ARCH Venture Fund VII, L.P.","position":1,"cik":"0001402439","reported_name":"ARCH Venture Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73812,"kind":"organization","name":"ARCH Venture Partners VII, L.P.","position":2,"cik":"0001544444","reported_name":"ARCH Venture Partners VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73811,"kind":"organization","name":"ARCH Venture Partners VII, LLC","position":3,"cik":"0001544443","reported_name":"ARCH Venture Partners VII, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32073,"kind":"person","name":"BYBEE CLINTON","position":4,"cik":"0001219043","reported_name":"BYBEE CLINTON","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":5,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C Preferred Stock","published_at":"2020-12-23T01:28:37.000Z","date":"2020-12-22","kind":"exercise","acquired":false,"shares":669977,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock (collectively, the \"Preferred Shares\") converted into 0.61459 shares of the Issuer's Common Stock automatically upon the closing of the Issuer's initial public offering without payment of additional consideration. 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The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the securities held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the securities held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the securities held by ARCH Fund VII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Common Stock, par value $0.001","underlying_shares":669977},"source":{"system":"sec-edgar","filing":"0001104659-20-138752","document":"tm2039218d7_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1402439/000110465920138752/tm2039218d7_4.xml","form_type":"4"}},{"id":2934457,"issuer":{"id":5564,"kind":"organization","name":"908 Devices Inc.","symbol":"MASS"},"owners":[{"id":73813,"kind":"organization","name":"ARCH Venture Fund VII, L.P.","position":1,"cik":"0001402439","reported_name":"ARCH Venture Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73812,"kind":"organization","name":"ARCH Venture Partners VII, L.P.","position":2,"cik":"0001544444","reported_name":"ARCH Venture Partners VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73811,"kind":"organization","name":"ARCH Venture Partners VII, LLC","position":3,"cik":"0001544443","reported_name":"ARCH Venture Partners VII, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32073,"kind":"person","name":"BYBEE CLINTON","position":4,"cik":"0001219043","reported_name":"BYBEE CLINTON","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":5,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Preferred Stock","published_at":"2020-12-23T01:28:37.000Z","date":"2020-12-22","kind":"exercise","acquired":false,"shares":981443,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock (collectively, the \"Preferred Shares\") converted into 0.61459 shares of the Issuer's Common Stock automatically upon the closing of the Issuer's initial public offering without payment of additional consideration. 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The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the securities held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the securities held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the securities held by ARCH Fund VII. Messrs. 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The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock (collectively, the \"Preferred Shares\") converted into 0.61459 shares of the Issuer's Common Stock automatically upon the closing of the Issuer's initial public offering without payment of additional consideration. The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The securities are owned directly by ARCH Venture Fund VII, L.P. (\"ARCH Fund VII\"). The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the securities held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the securities held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the securities held by ARCH Fund VII. Messrs. 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The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The securities are owned directly by ARCH Venture Fund VII, L.P. (\"ARCH Fund VII\"). The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the securities held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the securities held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. 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Crandell, Bybee and Nelsen disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein."}],"balance_after":5425045,"source":{"system":"sec-edgar","filing":"0001104659-20-138752","document":"tm2039218d7_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1402439/000110465920138752/tm2039218d7_4.xml","form_type":"4"}},{"id":3459790,"issuer":{"id":85437,"kind":"organization","name":"Syros Pharmaceuticals, Inc.","symbol":"SYRS"},"owners":[{"id":73813,"kind":"organization","name":"ARCH Venture Fund VII, L.P.","position":1,"cik":"0001402439","reported_name":"ARCH Venture Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73812,"kind":"organization","name":"ARCH Venture Partners VII, L.P.","position":2,"cik":"0001544444","reported_name":"ARCH Venture Partners VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73811,"kind":"organization","name":"ARCH Venture Partners VII, LLC","position":3,"cik":"0001544443","reported_name":"ARCH Venture Partners VII, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32072,"kind":"person","name":"CRANDELL KEITH","position":4,"cik":"0001219039","reported_name":"CRANDELL KEITH","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32073,"kind":"person","name":"BYBEE CLINTON","position":5,"cik":"0001219043","reported_name":"BYBEE CLINTON","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":6,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-07-17T23:26:59.000Z","date":"2019-07-17","kind":"sale","acquired":false,"shares":34521,"price":7.6964,"value":265687.4244,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.5775 to $7.755, inclusive."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"Beneficial ownership consists of 4,242,051 shares of common stock held by ARCH Fund VII. The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by and ARCH Fund VII. Messrs. 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These shares were sold in multiple transactions at prices ranging from $7.75 to $7.825, inclusive."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"Beneficial ownership consists of 4,242,051 shares of common stock held by ARCH Fund VII. The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by and ARCH Fund VII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."}],"balance_after":4276572,"source":{"system":"sec-edgar","filing":"0001012975-19-000489","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1402439/000101297519000489/edgar.xml","form_type":"4"}},{"id":3459788,"issuer":{"id":85437,"kind":"organization","name":"Syros Pharmaceuticals, Inc.","symbol":"SYRS"},"owners":[{"id":73813,"kind":"organization","name":"ARCH Venture Fund VII, L.P.","position":1,"cik":"0001402439","reported_name":"ARCH Venture Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73812,"kind":"organization","name":"ARCH Venture Partners VII, L.P.","position":2,"cik":"0001544444","reported_name":"ARCH Venture Partners VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73811,"kind":"organization","name":"ARCH Venture Partners VII, LLC","position":3,"cik":"0001544443","reported_name":"ARCH Venture Partners VII, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32072,"kind":"person","name":"CRANDELL KEITH","position":4,"cik":"0001219039","reported_name":"CRANDELL KEITH","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32073,"kind":"person","name":"BYBEE CLINTON","position":5,"cik":"0001219043","reported_name":"BYBEE CLINTON","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":6,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-07-17T23:26:59.000Z","date":"2019-07-15","kind":"sale","acquired":false,"shares":2700,"price":8.2651,"value":22315.77,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.20 to $8.40, inclusive. The reporting person undertakes to provide to Syros Pharmaceuticals, Inc., any security holder of' Syros Pharmaceuticals, Inc., 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 (1), (2) and (3) to this Form 4."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"Beneficial ownership consists of 4,242,051 shares of common stock held by ARCH Fund VII. The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by and ARCH Fund VII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."}],"balance_after":4302051,"source":{"system":"sec-edgar","filing":"0001012975-19-000489","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1402439/000101297519000489/edgar.xml","form_type":"4"}},{"id":3595316,"issuer":{"id":85437,"kind":"organization","name":"Syros Pharmaceuticals, Inc.","symbol":"SYRS"},"owners":[{"id":73813,"kind":"organization","name":"ARCH Venture Fund VII, L.P.","position":1,"cik":"0001402439","reported_name":"ARCH Venture Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73812,"kind":"organization","name":"ARCH Venture Partners VII, L.P.","position":2,"cik":"0001544444","reported_name":"ARCH Venture Partners VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73811,"kind":"organization","name":"ARCH Venture Partners VII, LLC","position":3,"cik":"0001544443","reported_name":"ARCH Venture Partners VII, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32072,"kind":"person","name":"CRANDELL KEITH","position":4,"cik":"0001219039","reported_name":"CRANDELL KEITH","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32073,"kind":"person","name":"BYBEE CLINTON","position":5,"cik":"0001219043","reported_name":"BYBEE CLINTON","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":6,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-03-14T22:57:03.000Z","date":"2019-03-14","kind":"sale","acquired":false,"shares":43000,"price":8.1498,"value":350441.4,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Reflects aggregation of stock sales within the range of $7.915 to $8.39.  ARCH Fund VII can provide detailed support upon request."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Beneficial ownership consists of 4,305,051 shares of common stock held by ARCH Fund VII. The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by and ARCH Fund VII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."}],"balance_after":4305051,"source":{"system":"sec-edgar","filing":"0001012975-19-000242","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1402439/000101297519000242/edgar.xml","form_type":"4"}},{"id":3595315,"issuer":{"id":85437,"kind":"organization","name":"Syros Pharmaceuticals, Inc.","symbol":"SYRS"},"owners":[{"id":73813,"kind":"organization","name":"ARCH Venture Fund VII, L.P.","position":1,"cik":"0001402439","reported_name":"ARCH Venture Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73812,"kind":"organization","name":"ARCH Venture Partners VII, L.P.","position":2,"cik":"0001544444","reported_name":"ARCH Venture Partners VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73811,"kind":"organization","name":"ARCH Venture Partners VII, LLC","position":3,"cik":"0001544443","reported_name":"ARCH Venture Partners VII, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32072,"kind":"person","name":"CRANDELL KEITH","position":4,"cik":"0001219039","reported_name":"CRANDELL KEITH","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32073,"kind":"person","name":"BYBEE CLINTON","position":5,"cik":"0001219043","reported_name":"BYBEE CLINTON","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":6,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-03-14T22:57:03.000Z","date":"2019-03-13","kind":"sale","acquired":false,"shares":2820,"price":8.1993,"value":23122.026,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Reflects aggregation of stock sales within the range of $8.19 to $8.22.  ARCH Fund VII can provide detailed support upon request."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Beneficial ownership consists of 4,305,051 shares of common stock held by ARCH Fund VII. The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by and ARCH Fund VII. Messrs. 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ARCH Fund VII can provide detailed support upon request."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Beneficial ownership consists of 4,305,051 shares of common stock held by ARCH Fund VII. The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by and ARCH Fund VII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."}],"balance_after":4350871,"source":{"system":"sec-edgar","filing":"0001012975-19-000242","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1402439/000101297519000242/edgar.xml","form_type":"4"}},{"id":3595313,"issuer":{"id":85437,"kind":"organization","name":"Syros Pharmaceuticals, Inc.","symbol":"SYRS"},"owners":[{"id":73813,"kind":"organization","name":"ARCH Venture Fund VII, L.P.","position":1,"cik":"0001402439","reported_name":"ARCH Venture Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73812,"kind":"organization","name":"ARCH Venture Partners VII, L.P.","position":2,"cik":"0001544444","reported_name":"ARCH Venture Partners VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73811,"kind":"organization","name":"ARCH Venture Partners VII, LLC","position":3,"cik":"0001544443","reported_name":"ARCH Venture Partners VII, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32072,"kind":"person","name":"CRANDELL KEITH","position":4,"cik":"0001219039","reported_name":"CRANDELL KEITH","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32073,"kind":"person","name":"BYBEE CLINTON","position":5,"cik":"0001219043","reported_name":"BYBEE CLINTON","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":6,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-03-14T22:57:03.000Z","date":"2019-03-12","kind":"sale","acquired":false,"shares":40092,"price":7.3674,"value":295373.8008,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects aggregation of stock sales within the range of $7.27 to $7.51. ARCH Venture Fund VII, L.P. (\"ARCH Fund VII\") can provide detailed support upon request."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Beneficial ownership consists of 4,305,051 shares of common stock held by ARCH Fund VII. The sole general partner of ARCH Fund VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to be the beneficial owner of the shares held by ARCH Fund VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by and ARCH Fund VII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."}],"balance_after":4432462,"source":{"system":"sec-edgar","filing":"0001012975-19-000242","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1402439/000101297519000242/edgar.xml","form_type":"4"}},{"id":3601598,"issuer":{"id":85437,"kind":"organization","name":"Syros Pharmaceuticals, Inc.","symbol":"SYRS"},"owners":[{"id":73813,"kind":"organization","name":"ARCH Venture Fund VII, L.P.","position":1,"cik":"0001402439","reported_name":"ARCH Venture Fund VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73812,"kind":"organization","name":"ARCH Venture Partners VII, L.P.","position":2,"cik":"0001544444","reported_name":"ARCH Venture Partners VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":73811,"kind":"organization","name":"ARCH Venture Partners VII, LLC","position":3,"cik":"0001544443","reported_name":"ARCH Venture Partners VII, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32072,"kind":"person","name":"CRANDELL KEITH","position":4,"cik":"0001219039","reported_name":"CRANDELL KEITH","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32073,"kind":"person","name":"BYBEE CLINTON","position":5,"cik":"0001219043","reported_name":"BYBEE CLINTON","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":6,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-03-11T21:58:18.000Z","date":"2019-03-11","kind":"sale","acquired":false,"shares":44878,"price":6.4924,"value":291365.9272,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Reflects aggregation of stock sales within the range of $6.23 to $6.63.  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(\"ARCH VII\") for $0.65 per Unit.  Each Unit consisted of one share of common stock, one Series A Warrant to purchase one share of common stock at an exercise price of $0.65 per share, and one Series B Warrant to purchase one share of common stock at an exercise price of $0.75 per share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities held of record byARCH VII.  The sole general partner of ARCH VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to have shared voting and investment power over the shares held by ARCH VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to have shared voting and investment power over the shares held by ARCH VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen and they may be deemed to have shared voting and investment power over the shares held by ARCH VII. Dr. Steve Gillis owns an interest in ARCH Partners VII, but does not have dispositive or voting power. Messrs. Crandell, Bybee and Nelsen and Dr. Gillis disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."}],"balance_after":1150000,"derivative":{"exercise_price":0.65,"exercise_date":"2018-04-03","expiration_date":"2018-10-03","underlying":"Common Stock","underlying_shares":1150000},"source":{"system":"sec-edgar","filing":"0000899243-18-009614","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1402439/000089924318009614/doc4.xml","form_type":"4"}},{"id":3968365,"issuer":{"id":8249,"kind":"organization","name":"Pulmatrix, Inc."},"owners":[{"id":32071,"kind":"person","name":"GILLIS STEVEN","position":1,"cik":"0001229592","reported_name":"GILLIS STEVEN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}},{"id":73813,"kind":"organization","name":"ARCH Venture Fund VII, L.P.","position":2,"cik":"0001402439","reported_name":"Arch Venture Fund VII LP","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% owner"}},{"id":73812,"kind":"organization","name":"ARCH Venture Partners VII, L.P.","position":3,"cik":"0001544444","reported_name":"ARCH Venture Partners VII, L.P.","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% owner"}},{"id":73811,"kind":"organization","name":"ARCH Venture Partners VII, LLC","position":4,"cik":"0001544443","reported_name":"ARCH Venture Partners VII, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% owner"}},{"id":32072,"kind":"person","name":"CRANDELL KEITH","position":5,"cik":"0001219039","reported_name":"CRANDELL KEITH","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% owner"}},{"id":32073,"kind":"person","name":"BYBEE CLINTON","position":6,"cik":"0001219043","reported_name":"BYBEE CLINTON","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% owner"}},{"id":32074,"kind":"person","name":"NELSEN ROBERT","position":7,"cik":"0001219042","reported_name":"NELSEN ROBERT","relationship":{"director":false,"officer":false,"ten_percent_owner":false,"other":true,"other_text":"Former 10% owner"}}],"security":"Common Stock","published_at":"2018-04-06T00:27:27.000Z","date":"2018-04-03","kind":"purchase","acquired":true,"shares":1150000,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported securities were included within 1,150,000 Units purchased by ARCH Venture Fund VII, L.P. (\"ARCH VII\") for $0.65 per Unit.  Each Unit consisted of one share of common stock, one Series A Warrant to purchase one share of common stock at an exercise price of $0.65 per share, and one Series B Warrant to purchase one share of common stock at an exercise price of $0.75 per share."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Securities held of record byARCH VII.  The sole general partner of ARCH VII is ARCH Venture Partners VII, L.P. (\"ARCH Partners VII\"), which may be deemed to have shared voting and investment power over the shares held by ARCH VII. The sole general partner of ARCH Partners VII is ARCH Venture Partners VII, LLC (\"ARCH VII LLC\"), which may be deemed to have shared voting and investment power over the shares held by ARCH VII. ARCH Partners VII and ARCH VII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The managing directors of ARCH VII LLC are Keith Crandell, Clinton Bybee and Robert Nelsen and they may be deemed to have shared voting and investment power over the shares held by ARCH VII. Dr. Steve Gillis owns an interest in ARCH Partners VII, but does not have dispositive or voting power. Messrs. Crandell, Bybee and Nelsen and Dr. Gillis disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein."}],"balance_after":3436456,"source":{"system":"sec-edgar","filing":"0000899243-18-009614","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1402439/000089924318009614/doc4.xml","form_type":"4"}}]}