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ARCH Venture Fund VIII Overage, L.P.

Disclosed activity across 8 companies

Tapewire entity
73815
SEC CIK
0001617237

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Codiak BioSciences, Inc.CDAK · Entity 11495810% ownerSeptember 13, 2022September 15, 2022
Metacrine, Inc.MTCR · Entity 11517710% ownerSeptember 18, 2020September 22, 2020
Neumora Therapeutics, Inc.NMRA · Entity 611510% ownerOctober 27, 2025October 29, 2025
Q32 Bio Inc.FIXX · Entity 559410% ownerMay 21, 2019May 23, 2019
Sienna Biopharmaceuticals, Inc.SNNA · Entity 15455410% ownerFebruary 22, 2019February 26, 2019
Twist Bioscience CorpTWST · Entity 361910% ownerNovember 02, 2018November 06, 2018
Unity Biotechnology, Inc.UBX · Entity 7742810% ownerMay 07, 2018May 07, 2018

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common SotckSEC Table I · non-derivativeIndirectSee footnotes8,854,098 Reported balance After 2022-09-13 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2022-09-13 · Purchase · Acquired 5,000,000 · Balance 8,854,098

F1: Shares purchased in a private investment in public equity transaction on September 13, 2022. Accompanying the Common Stock is one Series A Warrant to purchase one share of common stock at an exercise price of $1.875 per share.

F2: Comprised of 7,503,903 shares held by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII") and 1,350,195 shares held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage").

F3: Shares and warrants held by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII"). The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"), which may be deemed to beneficially own the shares and warrants held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"), which may be deemed to beneficially own the shares and warrants held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares and warrants, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares and warrants held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares and warrants, except to the extent of any pecuniary interest therein.

F4: Shares held by ARCH Fund Overage. The sole general partner of ARCH Fund Overage is ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Warrant (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $1.88 · Expires 2027-09-13Direct5,000,000 Reported balance After 2022-09-13 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2022-09-13 · Purchase · Acquired 5,000,000 · Balance 5,000,000

F1: Shares purchased in a private investment in public equity transaction on September 13, 2022. Accompanying the Common Stock is one Series A Warrant to purchase one share of common stock at an exercise price of $1.875 per share.

F3: Shares and warrants held by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII"). The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"), which may be deemed to beneficially own the shares and warrants held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"), which may be deemed to beneficially own the shares and warrants held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares and warrants, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares and warrants held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares and warrants, except to the extent of any pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Shares purchased in a private investment in public equity transaction on September 13, 2022. Accompanying the Common Stock is one Series A Warrant to purchase one share of common stock at an exercise price of $1.875 per share.

F2: Comprised of 7,503,903 shares held by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII") and 1,350,195 shares held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage").

F3: Shares and warrants held by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII"). The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"), which may be deemed to beneficially own the shares and warrants held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"), which may be deemed to beneficially own the shares and warrants held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares and warrants, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares and warrants held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares and warrants, except to the extent of any pecuniary interest therein.

F4: Shares held by ARCH Fund Overage. The sole general partner of ARCH Fund Overage is ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee footnote1,960,784 Reported balance After 2020-09-18 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2020-09-18 · Conversion · Acquired 1,960,784 · Balance 1,960,784

F1: 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 upon the closing of the Issuer's initial public offering. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.

F2: These shares are directly held by ARCH Venture Fund VIII, L.P., or ARCH Fund VIII. The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P., or ARCH Partners VIII, which may be deemed to beneficially own the shares held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC, or ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote2,433,035 Reported balance After 2020-09-18 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2020-09-18 · Conversion · Acquired 472,251 · Balance 2,433,035

F1: 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 upon the closing of the Issuer's initial public offering. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.

F2: These shares are directly held by ARCH Venture Fund VIII, L.P., or ARCH Fund VIII. The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P., or ARCH Partners VIII, which may be deemed to beneficially own the shares held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC, or ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote2,571,769 Reported balance After 2020-09-18 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2020-09-18 · Conversion · Acquired 138,734 · Balance 2,571,769

F1: 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 upon the closing of the Issuer's initial public offering. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.

F2: These shares are directly held by ARCH Venture Fund VIII, L.P., or ARCH Fund VIII. The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P., or ARCH Partners VIII, which may be deemed to beneficially own the shares held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC, or ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote2,781,769 Reported balance After 2020-09-18 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 4 · 2020-09-18 · Purchase · Acquired 210,000 · Balance 2,781,769

F2: These shares are directly held by ARCH Venture Fund VIII, L.P., or ARCH Fund VIII. The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P., or ARCH Partners VIII, which may be deemed to beneficially own the shares held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC, or ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote138,734 Reported balance After 2020-09-18 transaction · row 5 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 5 · 2020-09-18 · Conversion · Acquired 138,734 · Balance 138,734

F1: 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 upon the closing of the Issuer's initial public offering. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.

F3: These shares are directly held by ARCH Venture Fund VIII Overage, L.P., or ARCH Fund Overage. The sole general partner of ARCH Fund Overage is ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote158,734 Reported balance After 2020-09-18 transaction · row 6 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 6 · 2020-09-18 · Purchase · Acquired 20,000 · Balance 158,734

F3: These shares are directly held by ARCH Venture Fund VIII Overage, L.P., or ARCH Fund Overage. The sole general partner of ARCH Fund Overage is ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series A Convertible Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-09-18 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2020-09-18 · Conversion · Disposed 1,960,784 · Balance 0

F1: 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 upon the closing of the Issuer's initial public offering. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.

F2: These shares are directly held by ARCH Venture Fund VIII, L.P., or ARCH Fund VIII. The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P., or ARCH Partners VIII, which may be deemed to beneficially own the shares held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC, or ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series B Convertible Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-09-18 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2020-09-18 · Conversion · Disposed 472,251 · Balance 0

F1: 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 upon the closing of the Issuer's initial public offering. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.

F2: These shares are directly held by ARCH Venture Fund VIII, L.P., or ARCH Fund VIII. The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P., or ARCH Partners VIII, which may be deemed to beneficially own the shares held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC, or ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series C Convertible Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-09-18 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2020-09-18 · Conversion · Disposed 138,734 · Balance 0

F1: 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 upon the closing of the Issuer's initial public offering. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.

F2: These shares are directly held by ARCH Venture Fund VIII, L.P., or ARCH Fund VIII. The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P., or ARCH Partners VIII, which may be deemed to beneficially own the shares held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC, or ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series C Convertible Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2020-09-18 transaction · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · 2020-09-18 · Conversion · Disposed 138,734 · Balance 0

F1: 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 upon the closing of the Issuer's initial public offering. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.

F3: These shares are directly held by ARCH Venture Fund VIII Overage, L.P., or ARCH Fund Overage. The sole general partner of ARCH Fund Overage is ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: 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 upon the closing of the Issuer's initial public offering. Share numbers give effect to such conversion. The Preferred Stock had no expiration date.

F2: These shares are directly held by ARCH Venture Fund VIII, L.P., or ARCH Fund VIII. The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P., or ARCH Partners VIII, which may be deemed to beneficially own the shares held by ARCH Fund VIII. The sole general partner of ARCH Partners VIII is ARCH Venture Partners VIII, LLC, or ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund VIII. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F3: These shares are directly held by ARCH Venture Fund VIII Overage, L.P., or ARCH Fund Overage. The sole general partner of ARCH Fund Overage is ARCH VIII LLC, which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectBy ARCH Venture Fund XII, L.P.6,046,907 Reported balance After 2025-10-27 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2025-10-27 · Purchase · Acquired 1,915,700 · Balance 6,046,907

F1: Represents shares held directly by ARCH Venture Fund XII, L.P. (ARCH XII). ARCH Venture Partners XII, L.P. (AVP XII LP) is the general partner of ARCH XII. ARCH Venture Partners XII, LLC (AVP XII LLC) is the general partner of AVP XII LP. Keith Crandell, Kristina Burow, Steven Gillis and Robert Nelsen comprise the investment committee of AVP XII LLC (the AVP XII LLC Committee Members). Each of AVP XII LP and AVP XII LLC may be deemed to beneficially own the shares held by ARCH XII, and each of the AVP XII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XII. Each of AVP XII LP, AVP XII LLC and the AVP XII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeIndirectBy ARCH Venture Fund VII, L.P.1,387,228 Reported balance Holding disclosure · report date 2025-10-27 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 1,387,228

F2: Represents shares held directly by ARCH Venture Fund VII, L.P. (ARCH VII). ARCH Venture Partners VII, L.P. (AVP VII LP) is the sole general partner of ARCH VII, and ARCH Venture Partners VII, LLC (AVP VII LLC) is the sole general partner of AVP VII LP. Clinton Bybee, Keith Crandell and Robert Nelsen are the managing directors of AVP VII LLC (AVP VII LLC Managing Directors). AVP VII LP and AVP VII LLC may be deemed to beneficially own the shares held by ARCH VII, and each of the AVP VII LLC Managing Directors may be deemed to share the power to direct the disposition and vote of the shares held by ARCH VII. Each of AVP VII LP, AVP VII LLC and the AVP VII LLC Managing Directors disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeIndirectBy ARCH Venture Fund VIII Overage, L.P.2,321,566 Reported balance Holding disclosure · report date 2025-10-27 · row 3 Holding and transaction disclosures are not merged.
1 source row

Row 3 · Balance 2,321,566

F3: Represents shares held directly by ARCH Venture Fund VIII Overage, L.P. (ARCH VIII Overage). ARCH Venture Partners VIII, LLC (AVP VIII LLC) is the general partner of ARCH VIII Overage. Clinton Bybee, Keith Crandell and Robert Nelsen are the managing directors of AVP VIII LLC (the AVP VIII LLC Managing Directors). AVP VIII LLC may be deemed to beneficially own the shares held by ARCH VIII Overage, and each of the AVP VIII LLC Managing Directors may be deemed to share the power to direct the disposition and vote of the shares held by ARCH VIII Overage. Each of AVP VIII LLC and the AVP VIII LLC Managing Directors disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeIndirectBy ARCH Venture Fund X, L.P.12,205,379 Reported balance Holding disclosure · report date 2025-10-27 · row 4 Holding and transaction disclosures are not merged.
1 source row

Row 4 · Balance 12,205,379

F4: Represents shares held directly by ARCH Venture Fund X, L.P. (ARCH X). ARCH Venture Partners X, L.P. (AVP X LP) is the sole general partner of ARCH X.

F6: ARCH Venture Partners X, LLC (AVP X LLC) is the sole general partner of each of AVP X LP and AVP X Overage LP. Keith Crandell, Kristina Burow, Steven Gillis and Robert Nelsen comprise the investment committee of AVP X LLC (the AVP X Committee Members). AVP X LLC may be deemed to beneficially own the shares held by ARCH X and ARCH X Overage, and each of the AVP X Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH X and ARCH X Overage. Each of AVP X LP, AVP X Overage LP, AVP X LLC and the AVP X Committee Members disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeIndirectBy ARCH Venture Fund X Overage, L.P.11,886,758 Reported balance Holding disclosure · report date 2025-10-27 · row 5 Holding and transaction disclosures are not merged.
1 source row

Row 5 · Balance 11,886,758

F5: Represents shares held directly by ARCH Venture Fund X Overage, L.P. (ARCH X Overage). ARCH Venture Partners X Overage, L.P. (AVP X Overage LP) is the sole general partner of ARCH X Overage.

F6: ARCH Venture Partners X, LLC (AVP X LLC) is the sole general partner of each of AVP X LP and AVP X Overage LP. Keith Crandell, Kristina Burow, Steven Gillis and Robert Nelsen comprise the investment committee of AVP X LLC (the AVP X Committee Members). AVP X LLC may be deemed to beneficially own the shares held by ARCH X and ARCH X Overage, and each of the AVP X Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH X and ARCH X Overage. Each of AVP X LP, AVP X Overage LP, AVP X LLC and the AVP X Committee Members disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein, if any.

Filing footnotes · ownership attribution and instrument terms

F1: Represents shares held directly by ARCH Venture Fund XII, L.P. (ARCH XII). ARCH Venture Partners XII, L.P. (AVP XII LP) is the general partner of ARCH XII. ARCH Venture Partners XII, LLC (AVP XII LLC) is the general partner of AVP XII LP. Keith Crandell, Kristina Burow, Steven Gillis and Robert Nelsen comprise the investment committee of AVP XII LLC (the AVP XII LLC Committee Members). Each of AVP XII LP and AVP XII LLC may be deemed to beneficially own the shares held by ARCH XII, and each of the AVP XII LLC Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH XII. Each of AVP XII LP, AVP XII LLC and the AVP XII LLC Committee Members disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any.

F2: Represents shares held directly by ARCH Venture Fund VII, L.P. (ARCH VII). ARCH Venture Partners VII, L.P. (AVP VII LP) is the sole general partner of ARCH VII, and ARCH Venture Partners VII, LLC (AVP VII LLC) is the sole general partner of AVP VII LP. Clinton Bybee, Keith Crandell and Robert Nelsen are the managing directors of AVP VII LLC (AVP VII LLC Managing Directors). AVP VII LP and AVP VII LLC may be deemed to beneficially own the shares held by ARCH VII, and each of the AVP VII LLC Managing Directors may be deemed to share the power to direct the disposition and vote of the shares held by ARCH VII. Each of AVP VII LP, AVP VII LLC and the AVP VII LLC Managing Directors disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any.

F3: Represents shares held directly by ARCH Venture Fund VIII Overage, L.P. (ARCH VIII Overage). ARCH Venture Partners VIII, LLC (AVP VIII LLC) is the general partner of ARCH VIII Overage. Clinton Bybee, Keith Crandell and Robert Nelsen are the managing directors of AVP VIII LLC (the AVP VIII LLC Managing Directors). AVP VIII LLC may be deemed to beneficially own the shares held by ARCH VIII Overage, and each of the AVP VIII LLC Managing Directors may be deemed to share the power to direct the disposition and vote of the shares held by ARCH VIII Overage. Each of AVP VIII LLC and the AVP VIII LLC Managing Directors disclaims beneficial ownership except to the extent of their pecuniary interest therein, if any.

F4: Represents shares held directly by ARCH Venture Fund X, L.P. (ARCH X). ARCH Venture Partners X, L.P. (AVP X LP) is the sole general partner of ARCH X.

F5: Represents shares held directly by ARCH Venture Fund X Overage, L.P. (ARCH X Overage). ARCH Venture Partners X Overage, L.P. (AVP X Overage LP) is the sole general partner of ARCH X Overage.

F6: ARCH Venture Partners X, LLC (AVP X LLC) is the sole general partner of each of AVP X LP and AVP X Overage LP. Keith Crandell, Kristina Burow, Steven Gillis and Robert Nelsen comprise the investment committee of AVP X LLC (the AVP X Committee Members). AVP X LLC may be deemed to beneficially own the shares held by ARCH X and ARCH X Overage, and each of the AVP X Committee Members may be deemed to share the power to direct the disposition and vote of the shares held by ARCH X and ARCH X Overage. Each of AVP X LP, AVP X Overage LP, AVP X LLC and the AVP X Committee Members disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein, if any.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect5,768,694 Reported balance After 2019-05-21 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2019-05-21 · Other · Disposed 300,001 · Balance 5,768,694

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F2: Following the transactions reported herein, includes 1,137,663 shares of common stock held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage") and 4,631,031 shares of common stock held of record by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII").

F3: The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"). The sole general partner of ARCH Partners VIII and ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"). ARCH Partners VIII may therefore be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH VIII LLC may be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH Fund Overage. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII and ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F2: Following the transactions reported herein, includes 1,137,663 shares of common stock held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage") and 4,631,031 shares of common stock held of record by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII").

F3: The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"). The sole general partner of ARCH Partners VIII and ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"). ARCH Partners VIII may therefore be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH VIII LLC may be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH Fund Overage. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII and ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee footnote2,900,575 Reported balance After 2019-02-22 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2019-02-22 · Purchase · Acquired 150,000 · Balance 2,900,575

F1: Following the transactions reported herein, includes 1,032,493 shares of common stock held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage"), 2,900,575 shares of common stock held of record by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII"), and 1,865,800 shares of common stock held of record by ARCH Venture Fund X Overage, L.P. ("ARCH X Overage").

F2: The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"). The sole general partner of ARCH Partners VIII and ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"). ARCH Partners VIII may therefore be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH VIII LLC may be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH Fund Overage. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII and ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote1,032,493 Reported balance After 2019-02-22 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2019-02-22 · Purchase · Acquired 150,000 · Balance 1,032,493

F1: Following the transactions reported herein, includes 1,032,493 shares of common stock held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage"), 2,900,575 shares of common stock held of record by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII"), and 1,865,800 shares of common stock held of record by ARCH Venture Fund X Overage, L.P. ("ARCH X Overage").

F2: The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"). The sole general partner of ARCH Partners VIII and ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"). ARCH Partners VIII may therefore be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH VIII LLC may be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH Fund Overage. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII and ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote1,865,800 Reported balance After 2019-02-22 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2019-02-22 · Purchase · Acquired 1,865,800 · Balance 1,865,800

F1: Following the transactions reported herein, includes 1,032,493 shares of common stock held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage"), 2,900,575 shares of common stock held of record by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII"), and 1,865,800 shares of common stock held of record by ARCH Venture Fund X Overage, L.P. ("ARCH X Overage").

F3: The sole general Partner of ARCH X Overage is ARCH Venture Partners X Overage, L.P. ("AVP X Over GP"). The sole general partner of AVP X Over GP is ARCH Venture Partners X, LLC ("AVP X LLC"). AVP X Over LP and AVP X LLC may therefore be deemed to beneficially own the securities held by ARCH X Overage. AVP X Over GP and AVP X LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. Keith L. Crandell, Robert Nelsen and Steven Gillis are managing directors of AVP X LLC, and they may be deemed to beneficially own the shares held by ARCH X Overage. Messrs. Crandell, Nelsen and Gillis disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Following the transactions reported herein, includes 1,032,493 shares of common stock held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage"), 2,900,575 shares of common stock held of record by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII"), and 1,865,800 shares of common stock held of record by ARCH Venture Fund X Overage, L.P. ("ARCH X Overage").

F2: The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"). The sole general partner of ARCH Partners VIII and ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"). ARCH Partners VIII may therefore be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH VIII LLC may be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH Fund Overage. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII and ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F3: The sole general Partner of ARCH X Overage is ARCH Venture Partners X Overage, L.P. ("AVP X Over GP"). The sole general partner of AVP X Over GP is ARCH Venture Partners X, LLC ("AVP X LLC"). AVP X Over LP and AVP X LLC may therefore be deemed to beneficially own the securities held by ARCH X Overage. AVP X Over GP and AVP X LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. Keith L. Crandell, Robert Nelsen and Steven Gillis are managing directors of AVP X LLC, and they may be deemed to beneficially own the shares held by ARCH X Overage. Messrs. Crandell, Nelsen and Gillis disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee footnote1,182,645 Reported balance After 2018-11-02 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2018-11-02 · Conversion · Acquired 1,182,645 · Balance 1,182,645

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F2: The shares are directly held 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 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.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote1,900,920 Reported balance After 2018-11-02 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2018-11-02 · Conversion · Acquired 718,275 · Balance 1,900,920

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F2: The shares are directly held 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 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.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote2,167,696 Reported balance After 2018-11-02 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2018-11-02 · Conversion · Acquired 266,776 · Balance 2,167,696

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F2: The shares are directly held 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 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.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote2,392,422 Reported balance After 2018-11-02 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 4 · 2018-11-02 · Conversion · Acquired 224,726 · Balance 2,392,422

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F2: The shares are directly held 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 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.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote2,407,422 Reported balance After 2018-11-02 transaction · row 5 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 5 · 2018-11-02 · Purchase · Acquired 15,000 · Balance 2,407,422

F4: Reflects shares purchased in the Issuer's initial public offering.

F2: The shares are directly held 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 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.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote894,146 Reported balance After 2018-11-02 transaction · row 6 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 6 · 2018-11-02 · Conversion · Acquired 894,146 · Balance 894,146

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F5: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). The sole general partner of ARCH Overage is ARCH Venture Partners VIII, LLC ("AVP GPLLC"), which may be deemed to be the beneficial owner of the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee footnote954,146 Reported balance After 2018-11-02 transaction · row 7 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 7 · 2018-11-02 · Purchase · Acquired 60,000 · Balance 954,146

F4: Reflects shares purchased in the Issuer's initial public offering.

F5: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). The sole general partner of ARCH Overage is ARCH Venture Partners VIII, LLC ("AVP GPLLC"), which may be deemed to be the beneficial owner of the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series A Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2018-11-02 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2018-11-02 · Conversion · Disposed 1,182,645 · Balance 0

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F6: The expiration date is not relevant to the conversion of these securities.

F2: The shares are directly held 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 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.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series B Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2018-11-02 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2018-11-02 · Conversion · Disposed 718,275 · Balance 0

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F6: The expiration date is not relevant to the conversion of these securities.

F2: The shares are directly held 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 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.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series C Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2018-11-02 transaction · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · 2018-11-02 · Conversion · Disposed 266,776 · Balance 0

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F6: The expiration date is not relevant to the conversion of these securities.

F2: The shares are directly held 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 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.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series D Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2018-11-02 transaction · row 11 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 11 · 2018-11-02 · Conversion · Disposed 224,726 · Balance 0

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F6: The expiration date is not relevant to the conversion of these securities.

F2: The shares are directly held 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 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.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series D Preferred StockSEC Table II · derivative / convertible securityIndirectSee footnote0 Reported balance After 2018-11-02 transaction · row 12 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 12 · 2018-11-02 · Conversion · Disposed 894,146 · Balance 0

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F6: The expiration date is not relevant to the conversion of these securities.

F5: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). The sole general partner of ARCH Overage is ARCH Venture Partners VIII, LLC ("AVP GPLLC"), which may be deemed to be the beneficial owner of the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F2: The shares are directly held 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 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.

F3: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F4: Reflects shares purchased in the Issuer's initial public offering.

F5: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). The sole general partner of ARCH Overage is ARCH Venture Partners VIII, LLC ("AVP GPLLC"), which may be deemed to be the beneficial owner of the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F6: The expiration date is not relevant to the conversion of these securities.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote2,070,172 Reported balance After 2018-05-07 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2018-05-07 · Conversion · Acquired 2,030,625 · Balance 2,070,172

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote6,298,604 Reported balance After 2018-05-07 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2018-05-07 · Conversion · Acquired 4,228,432 · Balance 6,298,604

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote8,365,764 Reported balance After 2018-05-07 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2018-05-07 · Conversion · Acquired 2,067,160 · Balance 8,365,764

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote1,486,745 Reported balance After 2018-05-07 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 4 · 2018-05-07 · Conversion · Acquired 1,486,745 · Balance 1,486,745

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F4: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). ARCH Venture Partners VIII, LLC (the "AVP GPLLC"), as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Common StockSEC Table I · non-derivativeIndirectSee Footnote1,682,417 Reported balance After 2018-05-07 transaction · row 5 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 5 · 2018-05-07 · Conversion · Acquired 195,672 · Balance 1,682,417

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F4: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). ARCH Venture Partners VIII, LLC (the "AVP GPLLC"), as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series A-1 Preferred StockSEC Table II · derivative / convertible securityIndirectSee Footnote0 Reported balance After 2018-05-07 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2018-05-07 · Conversion · Disposed 2,030,625 · Balance 0

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2: The expiration date is not relevant to the conversion of these securities.

F3: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series A-2 Preferred StockSEC Table II · derivative / convertible securityIndirectSee Footnote0 Reported balance After 2018-05-07 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2018-05-07 · Conversion · Disposed 4,228,432 · Balance 0

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2: The expiration date is not relevant to the conversion of these securities.

F3: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series B Preferred StockSEC Table II · derivative / convertible securityIndirectSee Footnote0 Reported balance After 2018-05-07 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2018-05-07 · Conversion · Disposed 2,067,160 · Balance 0

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2: The expiration date is not relevant to the conversion of these securities.

F3: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series B Preferred StockSEC Table II · derivative / convertible securityIndirectSee Footnote0 Reported balance After 2018-05-07 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2018-05-07 · Conversion · Disposed 1,486,745 · Balance 0

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2: The expiration date is not relevant to the conversion of these securities.

F4: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). ARCH Venture Partners VIII, LLC (the "AVP GPLLC"), as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Series C Preferred StockSEC Table II · derivative / convertible securityIndirectSee Footnote0 Reported balance After 2018-05-07 transaction · row 10 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 10 · 2018-05-07 · Conversion · Disposed 195,672 · Balance 0

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2: The expiration date is not relevant to the conversion of these securities.

F4: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). ARCH Venture Partners VIII, LLC (the "AVP GPLLC"), as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Filing footnotes · ownership attribution and instrument terms

F1: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2: The expiration date is not relevant to the conversion of these securities.

F3: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F4: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). ARCH Venture Partners VIII, LLC (the "AVP GPLLC"), as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

Section 16 reporting ended · disclosed 2020-11-24. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectSee Footnote2,182,995 Reported balance After 2020-11-20 transaction · row 1 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 1 · 2020-11-20 · Other · Disposed 229,006 · Balance 2,182,995

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F2: These shares are directly held by ARCH Venture Fund VI, L.P. ("ARCH VI"). ARCH Venture Partners VI, L.P. ("GPLP"), the sole general partner of ARCH VI, may be deemed to beneficially own the shares held by ARCH VI. ARCH Venture Partners VI, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by ARCH VI. As managing directors of GPLLC, each of Robert Nelsen and Clinton Bybee (the "ARCH Managing Directors"), may be deemed to beneficially own the shares held by ARCH VI. Each of GPLP, GPLLC and the ARCH Managing Directors disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeIndirectSee Footnote1,391,690 Reported balance After 2020-11-20 transaction · row 2 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 2 · 2020-11-20 · Other · Disposed 145,994 · Balance 1,391,690

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F3: The shares are held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage"). The sole general partner of ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"), which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As managing directors of ARCH VIII LLC, each of the ARCH Managing Directors may be deemed to beneficially own the shares held by ARCH Overage. Each of ARCH VIII LLC and the ARCH Managing Directors disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeIndirectSee Footnote1,905,481 Reported balance After 2020-11-24 transaction · row 5 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 5 · 2020-11-24 · Other · Disposed 277,514 · Balance 1,905,481

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F2: These shares are directly held by ARCH Venture Fund VI, L.P. ("ARCH VI"). ARCH Venture Partners VI, L.P. ("GPLP"), the sole general partner of ARCH VI, may be deemed to beneficially own the shares held by ARCH VI. ARCH Venture Partners VI, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by ARCH VI. As managing directors of GPLLC, each of Robert Nelsen and Clinton Bybee (the "ARCH Managing Directors"), may be deemed to beneficially own the shares held by ARCH VI. Each of GPLP, GPLLC and the ARCH Managing Directors disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeIndirectSee Footnote1,214,770 Reported balance After 2020-11-24 transaction · row 6 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 6 · 2020-11-24 · Other · Disposed 176,920 · Balance 1,214,770

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F3: The shares are held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage"). The sole general partner of ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"), which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As managing directors of ARCH VIII LLC, each of the ARCH Managing Directors may be deemed to beneficially own the shares held by ARCH Overage. Each of ARCH VIII LLC and the ARCH Managing Directors disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein, if any.

Common StockSEC Table I · non-derivativeDirect854 Reported balance After 2020-11-20 transaction · row 3 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 3 · 2020-11-20 · Other · Acquired 854 · Balance 854

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F4: Change from indirect to direct ownership of shares previously reported as beneficially owned by the Reporting Person.

F5: Shares owned by Nelsen.

Common StockSEC Table I · non-derivativeDirect853 Reported balance After 2020-11-20 transaction · row 4 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 4 · 2020-11-20 · Other · Acquired 853 · Balance 853

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F4: Change from indirect to direct ownership of shares previously reported as beneficially owned by the Reporting Person.

F6: Shares owned by Bybee.

Common StockSEC Table I · non-derivativeDirect1,888 Reported balance After 2020-11-24 transaction · row 7 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 7 · 2020-11-24 · Other · Acquired 1,034 · Balance 1,888

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F4: Change from indirect to direct ownership of shares previously reported as beneficially owned by the Reporting Person.

F5: Shares owned by Nelsen.

Common StockSEC Table I · non-derivativeDirect1,889 Reported balance After 2020-11-24 transaction · row 8 Joint disclosure: continuity of the reported position is unresolved; see ownership footnotes.
1 source row

Row 8 · 2020-11-24 · Other · Acquired 1,036 · Balance 1,889

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F4: Change from indirect to direct ownership of shares previously reported as beneficially owned by the Reporting Person.

F6: Shares owned by Bybee.

Filing footnotes · ownership attribution and instrument terms

F1: Distribution of Common Stock held by a limited partnership to its partners for no consideration.

F2: These shares are directly held by ARCH Venture Fund VI, L.P. ("ARCH VI"). ARCH Venture Partners VI, L.P. ("GPLP"), the sole general partner of ARCH VI, may be deemed to beneficially own the shares held by ARCH VI. ARCH Venture Partners VI, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by ARCH VI. As managing directors of GPLLC, each of Robert Nelsen and Clinton Bybee (the "ARCH Managing Directors"), may be deemed to beneficially own the shares held by ARCH VI. Each of GPLP, GPLLC and the ARCH Managing Directors disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein, if any.

F3: The shares are held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage"). The sole general partner of ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"), which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As managing directors of ARCH VIII LLC, each of the ARCH Managing Directors may be deemed to beneficially own the shares held by ARCH Overage. Each of ARCH VIII LLC and the ARCH Managing Directors disclaims beneficial ownership of the securities reported herein, except to the extent of their pecuniary interest therein, if any.

F4: Change from indirect to direct ownership of shares previously reported as beneficially owned by the Reporting Person.

F5: Shares owned by Nelsen.

F6: Shares owned by Bybee.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 ConversionSeries D Preferred Stock · Derivative 224,726 Not disclosed Not disclosed
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · derivative · entry 11

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 224,726 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F1 · price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F1 · derivative.exercise_date: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F6 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F2 · ownership.nature: The shares are directly held 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 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.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 ConversionSeries C Preferred Stock · Derivative 266,776 Not disclosed Not disclosed
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · derivative · entry 10

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 266,776 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F1 · price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F1 · derivative.exercise_date: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F6 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F2 · ownership.nature: The shares are directly held 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 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.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 ConversionSeries B Preferred Stock · Derivative 718,275 Not disclosed Not disclosed
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · derivative · entry 9

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 718,275 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F1 · price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F1 · derivative.exercise_date: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F6 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F2 · ownership.nature: The shares are directly held 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 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.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 ConversionSeries A Preferred Stock · Derivative 1,182,645 Not disclosed Not disclosed
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · derivative · entry 8

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,182,645 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F1 · price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F1 · derivative.exercise_date: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F6 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F2 · ownership.nature: The shares are directly held 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 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.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 PurchaseCommon Stock 60,000 $14.00 $840,000.00
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · nonDerivative · entry 7

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 954,146

F4 · shares: Reflects shares purchased in the Issuer's initial public offering.

F5 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). The sole general partner of ARCH Overage is ARCH Venture Partners VIII, LLC ("AVP GPLLC"), which may be deemed to be the beneficial owner of the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 ConversionCommon Stock 894,146 Not disclosed Not disclosed
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · nonDerivative · entry 6

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 894,146

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F5 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). The sole general partner of ARCH Overage is ARCH Venture Partners VIII, LLC ("AVP GPLLC"), which may be deemed to be the beneficial owner of the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 PurchaseCommon Stock 15,000 $14.00 $210,000.00
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · nonDerivative · entry 5

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,407,422

F4 · shares: Reflects shares purchased in the Issuer's initial public offering.

F2 · ownership.nature: The shares are directly held 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 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.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 ConversionCommon Stock 224,726 Not disclosed Not disclosed
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · nonDerivative · entry 4

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,392,422

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F2 · ownership.nature: The shares are directly held 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 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.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 ConversionCommon Stock 266,776 Not disclosed Not disclosed
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · nonDerivative · entry 3

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,167,696

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F2 · ownership.nature: The shares are directly held 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 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.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 ConversionCommon Stock 718,275 Not disclosed Not disclosed
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · nonDerivative · entry 2

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,900,920

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F2 · ownership.nature: The shares are directly held 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 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.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
November 02, 2018 Filed Nov 6, 2018 21:31 UTC Twist Bioscience Corp TWST · Entity 3619 ConversionCommon Stock 1,182,645 Not disclosed Not disclosed
Disclosure

SEC source: 0001012975-18-001198 · edgar.xml · nonDerivative · entry 1

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,182,645

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock, for no additional consideration, on a 1:1 basis.

F2 · ownership.nature: The shares are directly held 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 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.

F3 · ownership.nature: Clinton Bybee and Robert Nelsen are the managing directors of ARCH VII LLC and ARCH VIII LLC, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
May 07, 2018 Filed May 7, 2018 18:19 UTC Unity Biotechnology, Inc. UBX · Entity 77428 ConversionSeries C Preferred Stock · Derivative 195,672 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-18-022043 · doc1.xml · derivative · entry 10

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 195,672 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F4 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). ARCH Venture Partners VIII, LLC (the "AVP GPLLC"), as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
May 07, 2018 Filed May 7, 2018 18:19 UTC Unity Biotechnology, Inc. UBX · Entity 77428 ConversionSeries B Preferred Stock · Derivative 1,486,745 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-18-022043 · doc1.xml · derivative · entry 9

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,486,745 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F4 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). ARCH Venture Partners VIII, LLC (the "AVP GPLLC"), as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
May 07, 2018 Filed May 7, 2018 18:19 UTC Unity Biotechnology, Inc. UBX · Entity 77428 ConversionSeries B Preferred Stock · Derivative 2,067,160 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-18-022043 · doc1.xml · derivative · entry 8

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,067,160 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F3 · ownership.nature: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
May 07, 2018 Filed May 7, 2018 18:19 UTC Unity Biotechnology, Inc. UBX · Entity 77428 ConversionSeries A-2 Preferred Stock · Derivative 4,228,432 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-18-022043 · doc1.xml · derivative · entry 7

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 4,228,432 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F3 · ownership.nature: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
May 07, 2018 Filed May 7, 2018 18:19 UTC Unity Biotechnology, Inc. UBX · Entity 77428 ConversionSeries A-1 Preferred Stock · Derivative 2,030,625 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-18-022043 · doc1.xml · derivative · entry 6

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,030,625 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F3 · ownership.nature: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
May 07, 2018 Filed May 7, 2018 18:19 UTC Unity Biotechnology, Inc. UBX · Entity 77428 ConversionCommon Stock 195,672 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-18-022043 · doc1.xml · nonDerivative · entry 5

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,682,417

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). ARCH Venture Partners VIII, LLC (the "AVP GPLLC"), as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
May 07, 2018 Filed May 7, 2018 18:19 UTC Unity Biotechnology, Inc. UBX · Entity 77428 ConversionCommon Stock 1,486,745 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-18-022043 · doc1.xml · nonDerivative · entry 4

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,486,745

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). ARCH Venture Partners VIII, LLC (the "AVP GPLLC"), as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. AVP GPLLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
May 07, 2018 Filed May 7, 2018 18:19 UTC Unity Biotechnology, Inc. UBX · Entity 77428 ConversionCommon Stock 2,067,160 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-18-022043 · doc1.xml · nonDerivative · entry 3

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 8,365,764

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
May 07, 2018 Filed May 7, 2018 18:19 UTC Unity Biotechnology, Inc. UBX · Entity 77428 ConversionCommon Stock 4,228,432 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-18-022043 · doc1.xml · nonDerivative · entry 2

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 6,298,604

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
May 07, 2018 Filed May 7, 2018 18:19 UTC Unity Biotechnology, Inc. UBX · Entity 77428 ConversionCommon Stock 2,030,625 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-18-022043 · doc1.xml · nonDerivative · entry 1

ARCH Venture Partners VII, LLC · CIK 0001544443 · 10% owner

ARCH Venture Partners VII, L.P. · CIK 0001544444 · 10% owner

ARCH Venture Fund VII, L.P. · CIK 0001402439 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,070,172

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: The shares are directly held by ARCH Venture Fund VII, L.P. ("ARCH VII"). ARCH Venture Partners VII, L.P. (the "GPLP"), as the sole general partner of ARCH VII, may be deemed to beneficially own certain of the shares held by ARCH VII. ARCH Venture Partners VII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. GPLP and GPLLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The managing directors of GPLLC and AVP GPLLC are Keith Crandell and Clinton Bybee, and they may be deemed to beneficially own the shares held by ARCH Fund VII and ARCH Overage. Messrs. Crandell and Bybee disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
April 02, 2018 Filed Apr 4, 2018 20:25 UTC Q32 Bio Inc. FIXX · Entity 5594 ConversionSeries B Preferred Stock · Derivative 1,385,457 $0.00 $0.00
Disclosure

SEC source: 0000899243-18-009446 · doc4.xml · derivative · entry 3

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,385,457 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock.

F3 · derivative.exercise_date: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock.

F3 · derivative.expiration_date: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock.

F1 · ownership.nature: Following the transactions reported herein, includes 1,196,827 shares of common stock held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage") and 4,871,868 shares of common stock held of record by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII").

F2 · ownership.nature: The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"). The sole general partner of ARCH Partners VIII and ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"). ARCH Partners VIII may therefore be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH VIII LLC may be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH Fund Overage. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII and ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
April 02, 2018 Filed Apr 4, 2018 20:25 UTC Q32 Bio Inc. FIXX · Entity 5594 ConversionSeries A Preferred Stock · Derivative 4,683,238 $0.00 $0.00
Disclosure

SEC source: 0000899243-18-009446 · doc4.xml · derivative · entry 2

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 4,683,238 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock.

F3 · derivative.exercise_date: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock.

F3 · derivative.expiration_date: Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock.

F1 · ownership.nature: Following the transactions reported herein, includes 1,196,827 shares of common stock held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage") and 4,871,868 shares of common stock held of record by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII").

F2 · ownership.nature: The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"). The sole general partner of ARCH Partners VIII and ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"). ARCH Partners VIII may therefore be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH VIII LLC may be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH Fund Overage. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII and ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
April 02, 2018 Filed Apr 4, 2018 20:25 UTC Q32 Bio Inc. FIXX · Entity 5594 ConversionCommon Stock 6,068,695 $0.00 $0.00
Disclosure

SEC source: 0000899243-18-009446 · doc4.xml · nonDerivative · entry 1

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,068,695

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · ownership.nature: Following the transactions reported herein, includes 1,196,827 shares of common stock held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage") and 4,871,868 shares of common stock held of record by ARCH Venture Fund VIII, L.P. ("ARCH Fund VIII").

F2 · ownership.nature: The sole general partner of ARCH Fund VIII is ARCH Venture Partners VIII, L.P. ("ARCH Partners VIII"). The sole general partner of ARCH Partners VIII and ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"). ARCH Partners VIII may therefore be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH VIII LLC may be deemed to beneficially own the securities held by ARCH Fund VIII and ARCH Fund Overage. ARCH Partners VIII and ARCH VIII LLC disclaim beneficial ownership of such securities, except to the extent of any pecuniary interest therein. The managing directors of ARCH VIII LLC are Keith L. Crandell, Clinton Bybee and Robert Nelsen, and they may be deemed to beneficially own the shares held by ARCH Fund VIII and ARCH Fund Overage. Messrs. Crandell, Bybee and Nelsen disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionSeries D Preferred Stock · Derivative 4,087,193 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · derivative · entry 13

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,271,684 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F5 · derivative.exercise_date: These shares were convertible into the Issuer's common stock in accordance with the Issuer's Restated Certificate of Incorporation, as amended, at any time after the issuance of such shares, at the holder's election.

F6 · derivative.expiration_date: Not applicable.

F3 · ownership.direct: The shares are held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage"). The sole general partner of ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"), which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VIII LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund Overage. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionSeries D Preferred Stock · Derivative 1,226,158 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · derivative · entry 12

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 381,507 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F5 · derivative.exercise_date: These shares were convertible into the Issuer's common stock in accordance with the Issuer's Restated Certificate of Incorporation, as amended, at any time after the issuance of such shares, at the holder's election.

F6 · derivative.expiration_date: Not applicable.

F2 · ownership.direct: The shares are held of record by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"), which may be deemed to beneficially own the shares held by ARCH Fund VI. The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"), which may be deemed to beneficially own the shares held by ARCH Fund VI. ARCH Partners VI and ARCH VI LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VI LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionSeries C Preferred Stock · Derivative 352,800 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · derivative · entry 11

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 109,769 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F5 · derivative.exercise_date: These shares were convertible into the Issuer's common stock in accordance with the Issuer's Restated Certificate of Incorporation, as amended, at any time after the issuance of such shares, at the holder's election.

F6 · derivative.expiration_date: Not applicable.

F2 · ownership.direct: The shares are held of record by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"), which may be deemed to beneficially own the shares held by ARCH Fund VI. The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"), which may be deemed to beneficially own the shares held by ARCH Fund VI. ARCH Partners VI and ARCH VI LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VI LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionSeries B Preferred Stock · Derivative 1,533,214 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · derivative · entry 10

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 477,042 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F5 · derivative.exercise_date: These shares were convertible into the Issuer's common stock in accordance with the Issuer's Restated Certificate of Incorporation, as amended, at any time after the issuance of such shares, at the holder's election.

F6 · derivative.expiration_date: Not applicable.

F2 · ownership.direct: The shares are held of record by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"), which may be deemed to beneficially own the shares held by ARCH Fund VI. The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"), which may be deemed to beneficially own the shares held by ARCH Fund VI. ARCH Partners VI and ARCH VI LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VI LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

Read SEC document
December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionSeries A-2 Preferred Stock · Derivative 3,360,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · derivative · entry 9

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,045,426 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F5 · derivative.exercise_date: These shares were convertible into the Issuer's common stock in accordance with the Issuer's Restated Certificate of Incorporation, as amended, at any time after the issuance of such shares, at the holder's election.

F6 · derivative.expiration_date: Not applicable.

F2 · ownership.direct: The shares are held of record by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"), which may be deemed to beneficially own the shares held by ARCH Fund VI. The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"), which may be deemed to beneficially own the shares held by ARCH Fund VI. ARCH Partners VI and ARCH VI LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VI LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

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December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionSeries A-1 Preferred Stock · Derivative 1,280,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · derivative · entry 8

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 398,257 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F5 · derivative.exercise_date: These shares were convertible into the Issuer's common stock in accordance with the Issuer's Restated Certificate of Incorporation, as amended, at any time after the issuance of such shares, at the holder's election.

F6 · derivative.expiration_date: Not applicable.

F2 · ownership.direct: The shares are held of record by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"), which may be deemed to beneficially own the shares held by ARCH Fund VI. The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"), which may be deemed to beneficially own the shares held by ARCH Fund VI. ARCH Partners VI and ARCH VI LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VI LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

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December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 PurchaseCommon Stock 266,000 $15.00 $3,990,000.00
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · nonDerivative · entry 7

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,537,684

F4 · shares: Reflects shares purchased in the Issuer's initial public offering.

F3 · ownership.direct: The shares are held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage"). The sole general partner of ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"), which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VIII LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund Overage. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

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December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionCommon Stock 1,271,684 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · nonDerivative · entry 6

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,271,684

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F3 · ownership.direct: The shares are held of record by ARCH Venture Fund VIII Overage, L.P. ("ARCH Fund Overage"). The sole general partner of ARCH Fund Overage is ARCH Venture Partners VIII, LLC ("ARCH VIII LLC"), which may be deemed to beneficially own the shares held by ARCH Fund Overage. ARCH VIII LLC disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VIII LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund Overage. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

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December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionCommon Stock 381,507 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · nonDerivative · entry 5

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,412,001

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F2 · ownership.direct: The shares are held of record by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"), which may be deemed to beneficially own the shares held by ARCH Fund VI. The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"), which may be deemed to beneficially own the shares held by ARCH Fund VI. ARCH Partners VI and ARCH VI LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VI LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

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December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionCommon Stock 109,769 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · nonDerivative · entry 4

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,030,494

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F2 · ownership.direct: The shares are held of record by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"), which may be deemed to beneficially own the shares held by ARCH Fund VI. The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"), which may be deemed to beneficially own the shares held by ARCH Fund VI. ARCH Partners VI and ARCH VI LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VI LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

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December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionCommon Stock 477,042 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · nonDerivative · entry 3

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,920,725

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F2 · ownership.direct: The shares are held of record by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"), which may be deemed to beneficially own the shares held by ARCH Fund VI. The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"), which may be deemed to beneficially own the shares held by ARCH Fund VI. ARCH Partners VI and ARCH VI LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VI LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

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December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionCommon Stock 1,045,426 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · nonDerivative · entry 2

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,443,683

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F2 · ownership.direct: The shares are held of record by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"), which may be deemed to beneficially own the shares held by ARCH Fund VI. The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"), which may be deemed to beneficially own the shares held by ARCH Fund VI. ARCH Partners VI and ARCH VI LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VI LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

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December 11, 2017 Filed Dec 13, 2017 16:25 UTC Quanterix Corp QTRX · Entity 6649 ConversionCommon Stock 398,257 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-17-073156 · a4.xml · nonDerivative · entry 1

ARCH VENTURE FUND VI LP · CIK 0001222135 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

ARCH VENTURE PARTNERS VI LP · CIK 0001274410 · 10% owner

ARCH VENTURE PARTNERS VI LLC · CIK 0001274412 · 10% owner

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

NELSEN ROBERT · CIK 0001219042 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 398,257

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of preferred stock automatically converted into common stock immediately prior to the closing of the Issuer's initial public offering using a calculation defined in the Issuer's Restated Certificate of Incorporation, as amended, based on the initial purchase price and the conversion rate in effect at the time of conversion. The shares of preferred stock automatically converted on a 1-for-3.214 basis and such conversion rate is reflected in the amount of common stock underlying the security.

F2 · ownership.direct: The shares are held of record by ARCH Venture Fund VI, L.P. ("ARCH Fund VI"). The sole general partner of ARCH Fund VI is ARCH Venture Partners VI, L.P. ("ARCH Partners VI"), which may be deemed to beneficially own the shares held by ARCH Fund VI. The sole general partner of ARCH Partners VI is ARCH Venture Partners VI, LLC ("ARCH VI LLC"), which may be deemed to beneficially own the shares held by ARCH Fund VI. ARCH Partners VI and ARCH VI LLC disclaim beneficial ownership of such shares, except to the extent of any pecuniary interest therein. As a managing director of ARCH VI LLC, the Reporting Person may be deemed to beneficially own the shares held by ARCH Fund VI. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

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August 01, 2017 Filed Aug 1, 2017 16:30 UTC Sienna Biopharmaceuticals, Inc. SNNA · Entity 154554 ConversionSeries B Preferred Stock · Derivative 319,421 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-17-029602 · doc1.xml · derivative · entry 8

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 319,421 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F3 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). GPLLC, as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. Keith Crandell and Clinton Bybee are managing directors of GPLLC, and as such may be deemed to beneficially own the shares held by ARCH Overage. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

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August 01, 2017 Filed Aug 1, 2017 16:30 UTC Sienna Biopharmaceuticals, Inc. SNNA · Entity 154554 ConversionSeries B Preferred Stock · Derivative 211,934 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-17-029602 · doc1.xml · derivative · entry 7

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 211,934 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F2 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII, L.P. ("ARCH VIII"). ARCH Venture Partners VIII, L.P. (the "GPLP"), as the sole general partner of ARCH VIII, may be deemed to beneficially own certain of the shares held by ARCH VIII. ARCH Venture Partners VIII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by ARCH VIII. Keith Crandell and Clinton Bybee are managing directors of GPLLC, and as such may be deemed to beneficially own the shares held by ARCH VIII. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

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August 01, 2017 Filed Aug 1, 2017 16:30 UTC Sienna Biopharmaceuticals, Inc. SNNA · Entity 154554 ConversionSeries A-3 Preferred Stock · Derivative 563,072 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-17-029602 · doc1.xml · derivative · entry 6

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 563,072 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F3 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). GPLLC, as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. Keith Crandell and Clinton Bybee are managing directors of GPLLC, and as such may be deemed to beneficially own the shares held by ARCH Overage. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

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August 01, 2017 Filed Aug 1, 2017 16:30 UTC Sienna Biopharmaceuticals, Inc. SNNA · Entity 154554 ConversionSeries A-3 Preferred Stock · Derivative 2,538,641 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-17-029602 · doc1.xml · derivative · entry 5

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,538,641 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F1 · derivative.exercise_date: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F4 · derivative.expiration_date: The expiration date is not relevant to the conversion of these securities.

F2 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII, L.P. ("ARCH VIII"). ARCH Venture Partners VIII, L.P. (the "GPLP"), as the sole general partner of ARCH VIII, may be deemed to beneficially own certain of the shares held by ARCH VIII. ARCH Venture Partners VIII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by ARCH VIII. Keith Crandell and Clinton Bybee are managing directors of GPLLC, and as such may be deemed to beneficially own the shares held by ARCH VIII. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

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August 01, 2017 Filed Aug 1, 2017 16:30 UTC Sienna Biopharmaceuticals, Inc. SNNA · Entity 154554 ConversionCommon Stock 319,421 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-17-029602 · doc1.xml · nonDerivative · entry 4

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 882,493

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). GPLLC, as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. Keith Crandell and Clinton Bybee are managing directors of GPLLC, and as such may be deemed to beneficially own the shares held by ARCH Overage. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

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August 01, 2017 Filed Aug 1, 2017 16:30 UTC Sienna Biopharmaceuticals, Inc. SNNA · Entity 154554 ConversionCommon Stock 563,072 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-17-029602 · doc1.xml · nonDerivative · entry 3

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 563,072

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F3 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII Overage, L.P. ("ARCH Overage"). GPLLC, as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. Keith Crandell and Clinton Bybee are managing directors of GPLLC, and as such may be deemed to beneficially own the shares held by ARCH Overage. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

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August 01, 2017 Filed Aug 1, 2017 16:30 UTC Sienna Biopharmaceuticals, Inc. SNNA · Entity 154554 ConversionCommon Stock 211,934 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-17-029602 · doc1.xml · nonDerivative · entry 2

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,750,575

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII, L.P. ("ARCH VIII"). ARCH Venture Partners VIII, L.P. (the "GPLP"), as the sole general partner of ARCH VIII, may be deemed to beneficially own certain of the shares held by ARCH VIII. ARCH Venture Partners VIII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by ARCH VIII. Keith Crandell and Clinton Bybee are managing directors of GPLLC, and as such may be deemed to beneficially own the shares held by ARCH VIII. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

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August 01, 2017 Filed Aug 1, 2017 16:30 UTC Sienna Biopharmaceuticals, Inc. SNNA · Entity 154554 ConversionCommon Stock 2,538,641 Not disclosed Not disclosed
Disclosure

SEC source: 0001140361-17-029602 · doc1.xml · nonDerivative · entry 1

ARCH Venture Partners VIII, LLC · CIK 0001616165 · 10% owner

ARCH Venture Partners VIII, L.P. · CIK 0001616176 · 10% owner

ARCH Venture Fund VIII, L.P. · CIK 0001605598 · 10% owner

ARCH Venture Fund VIII Overage, L.P. · CIK 0001617237 · 10% owner

BYBEE CLINTON · CIK 0001219043 · 10% owner

CRANDELL KEITH · CIK 0001219039 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,538,641

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: The shares of the Issuer's Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, on a 1:1 basis immediately prior to the consummation of the Issuer's initial public offering.

F2 · ownership.nature: The shares are directly held by ARCH Venture Fund VIII, L.P. ("ARCH VIII"). ARCH Venture Partners VIII, L.P. (the "GPLP"), as the sole general partner of ARCH VIII, may be deemed to beneficially own certain of the shares held by ARCH VIII. ARCH Venture Partners VIII, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by ARCH VIII. Keith Crandell and Clinton Bybee are managing directors of GPLLC, and as such may be deemed to beneficially own the shares held by ARCH VIII. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.