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The Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each share of Series G Preferred Stock and Series H Preferred Stock (collectively, the \"Preferred Stock\") will automatically be converted into one-half of one share of the issuer's Common Stock (\"Shares\") immediately prior to the completion of the issuer's initial public offering.  The Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each share of Series G Preferred Stock and Series H Preferred Stock (collectively, the \"Preferred Stock\") will automatically be converted into one-half of one share of the issuer's Common Stock (\"Shares\") immediately prior to the completion of the issuer's initial public offering.  The Preferred Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"These Shares are directly held by Great Hill Investors, LLC (\"GHI\").  The GH Control Persons are the managers of GHI."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Each of the GH Control Persons, GHP V, LLC and GHP V GP may be deemed to indirectly beneficially own the shares beneficially owned by GHEP V and GHI and disclaims beneficial ownership of these Shares, except to the extent of its or his proportionate pecuniary interest therein, if any."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"This report is filed jointly by GHI, GHEP V, GHP V GP, GHP V, LLC, Christopher S. Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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The Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Each share of Series G Preferred Stock and Series H Preferred Stock (collectively, the \"Preferred Stock\") will automatically be converted into one-half of one share of the issuer's Common Stock (\"Shares\") immediately prior to the completion of the issuer's initial public offering.  The Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each share of Series G Preferred Stock and Series H Preferred Stock (collectively, the \"Preferred Stock\") will automatically be converted into one-half of one share of the issuer's Common Stock (\"Shares\") immediately prior to the completion of the issuer's initial public offering.  The Preferred Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These Shares are directly held by Great Hill Equity Partners V, L.P. (\"GHEP V\"). Great Hill Partners GP V, L.P. (\"GHP V GP\"), is the sole general partner of GHEP V. GHP V, LLC is the sole general partner of GHP V GP. Christopher Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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The Series F Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series F Preferred Stock will automatically be converted into approximately 0.5682 shares of the issuer's Common Stock (\"Shares\") immediately prior to the completion of the issuer's initial public offering.  The Series F Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series F Preferred Stock will automatically be converted into approximately 0.5682 shares of the issuer's Common Stock (\"Shares\") immediately prior to the completion of the issuer's initial public offering.  The Series F Preferred Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"These Shares are directly held by Great Hill Investors, LLC (\"GHI\").  The GH Control Persons are the managers of GHI."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Each of the GH Control Persons, GHP V, LLC and GHP V GP may be deemed to indirectly beneficially own the shares beneficially owned by GHEP V and GHI and disclaims beneficial ownership of these Shares, except to the extent of its or his proportionate pecuniary interest therein, if any."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"This report is filed jointly by GHI, GHEP V, GHP V GP, GHP V, LLC, Christopher S. Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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The Series F Preferred Stock has no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Series F Preferred Stock will automatically be converted into approximately 0.5682 shares of the issuer's Common Stock (\"Shares\") immediately prior to the completion of the issuer's initial public offering.  The Series F Preferred Stock has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Series F Preferred Stock will automatically be converted into approximately 0.5682 shares of the issuer's Common Stock (\"Shares\") immediately prior to the completion of the issuer's initial public offering.  The Series F Preferred Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These Shares are directly held by Great Hill Equity Partners V, L.P. (\"GHEP V\"). Great Hill Partners GP V, L.P. 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The Preferred Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"These Shares are directly held by Great Hill Investors, LLC (\"GHI\").  The GH Control Persons are the managers of GHI."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Each of the GH Control Persons, GHP V, LLC and GHP V GP may be deemed to indirectly beneficially own the shares beneficially owned by GHEP V and GHI and disclaims beneficial ownership of these Shares, except to the extent of its or his proportionate pecuniary interest therein, if any."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"This report is filed jointly by GHI, GHEP V, GHP V GP, GHP V, LLC, Christopher S. Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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The Preferred Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These Shares are directly held by Great Hill Equity Partners V, L.P. (\"GHEP V\"). Great Hill Partners GP V, L.P. (\"GHP V GP\"), is the sole general partner of GHEP V. GHP V, LLC is the sole general partner of GHP V GP. Christopher Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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The Preferred Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"These Shares are directly held by Great Hill Investors, LLC (\"GHI\").  The GH Control Persons are the managers of GHI."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Each of the GH Control Persons, GHP V, LLC and GHP V GP may be deemed to indirectly beneficially own the shares beneficially owned by GHEP V and GHI and disclaims beneficial ownership of these Shares, except to the extent of its or his proportionate pecuniary interest therein, if any."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"This report is filed jointly by GHI, GHEP V, GHP V GP, GHP V, LLC, Christopher S. Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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The Preferred Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These Shares are directly held by Great Hill Equity Partners V, L.P. (\"GHEP V\"). Great Hill Partners GP V, L.P. (\"GHP V GP\"), is the sole general partner of GHEP V. GHP V, LLC is the sole general partner of GHP V GP. Christopher Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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The Series F Preferred Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"These Shares are directly held by Great Hill Investors, LLC (\"GHI\").  The GH Control Persons are the managers of GHI."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Each of the GH Control Persons, GHP V, LLC and GHP V GP may be deemed to indirectly beneficially own the shares beneficially owned by GHEP V and GHI and disclaims beneficial ownership of these Shares, except to the extent of its or his proportionate pecuniary interest therein, if any."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"This report is filed jointly by GHI, GHEP V, GHP V GP, GHP V, LLC, Christopher S. Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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The Series F Preferred Stock has no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These Shares are directly held by Great Hill Equity Partners V, L.P. (\"GHEP V\"). Great Hill Partners GP V, L.P. (\"GHP V GP\"), is the sole general partner of GHEP V. GHP V, LLC is the sole general partner of GHP V GP. Christopher Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. Vettel (collectively, the \"GH Control Persons\") are the managers of GHP V, LLC."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F5","text":"Each of the GH Control Persons, GHP V, LLC and GHP V GP may be deemed to indirectly beneficially own the shares beneficially owned by GHEP V and GHI and disclaims beneficial ownership of these Shares, except to the extent of its or his proportionate pecuniary interest therein, if any."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F6","text":"This report is filed jointly by GHI, GHEP V, GHP V GP, GHP V, LLC, Christopher S. Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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Kumin on July 5, 2018, which vest in full on (i) June 20, 2019 or, if earlier, (ii) upon the annual meeting of the Issuer's stockholders next-following July 5, 2018, subject to the Reporting Person's continuous service to the Issuer through the applicable vesting date."},{"field":"shares","element":"transactionShares","label":"F2","text":"According to the terms of the Limited Partnership Agreement of Great Hill Equity Partners V, L.P., Great Hill Equity Partners V, L.P. is entitled to the economic benefit of all securities awarded to Messrs. Kumin or Garran in connection with their service as directors of the Issuer.  Each of Messrs. Kumin and Garran disclaim beneficial ownership of these securities except to the extent of his pecuniary interest therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"These shares are owned by Great Hill Equity Partners V, L.P. Great Hill Partners GP V, L.P. is the sole general partner of Great Hill Equity Partners V, L.P. and GHP V, LLC is the sole general partner of Great Hill Partners GP V, L.P. GHP V, LLC is controlled by Christopher S. Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. Vettel and, as such, they may be deemed to indirectly beneficially own the shares beneficially owned by Great Hill Equity Partners V, L.P. Each of Messrs. Gaffney, Hayes, Kumin, Taber and Vettel disclaim beneficial ownership of these securities except to the extent of his pecuniary interest therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F4","text":"This report is filed jointly by Great Hill Investors, LLC, Great Hill Equity Partners V, L.P., GHP V, LLC, Great Hill Partners GP V, L.P., Christopher S. Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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Gaffney, Hayes, Kumin, Taber and Vettel disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"This report is filed jointly by Great Hill Investors, LLC, Great Hill Equity Partners IV, L.P., GHP IV, LLC, Great Hill Partners GP IV, L.P., Christopher S. Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. 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Great Hill Partners GP IV, L.P. is the sole general partner of Great Hill Equity Partners IV, L.P. and GHP IV, LLC is the sole general partner of Great Hill Partners GP IV, L.P. GHP IV, LLC is controlled by Christopher S. Gaffney, John G. Hayes, Michael A. Kumin, Mark D. Taber and Matthew T. Vettel and, as such, they may be deemed to indirectly beneficially own the shares beneficially owned by Great Hill Equity Partners IV, L.P. Each of Messrs. 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