GREAT HILL INVESTORS LLC

SEC source: 0000905148-24-000923 · form4.xml · nonDerivative · entry 1

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 6,738,269

F1 · ownership.nature: Consists of (i) 6,670,294 shares of common stock held of record by Great Hill Equity Partners IV, LP ("GHEP IV"), (ii) 23,957 shares of common stock held of record by Great Hill Investors, LLC ("GHI LLC"), (iii) 22,009 shares of common stock held of record by Christopher Gaffney, and (iv) 22,009 shares of common stock held of record by Derek Schoettle. The shares of common stock held of record by Mr. Gaffney and Mr. Schoettle are beneficially owned by GHEP IV pursuant to its amended and restated limited partnership agreements.

F2 · ownership.nature: GHP IV, LLC ("GHP IV") is the general partner of Great Hill Partners GP IV, L.P. ("GP IV"), which is the general partner of GHEP IV. Voting and investment determinations with respect to the securities held of record by GHEP IV are made by the Managers of GHP IV. Voting and investment determinations with respect to the securities held of record by GHI LLC are made by the Managers of GHI LLC. As such, each of the foregoing entities, the Managers of GHP IV and the Managers of GHI LLC may be deemed to share beneficial ownership of the securities held of record by GHEP IV, GHI LLC, Mr. Gaffney and Mr. Schoettle. Each of them disclaims any such beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000905148-23-001520 · form4.xml · nonDerivative · entry 1

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 13,738,269

F1 · ownership.nature: Consists of (i) 13,645,242 shares of common stock held of record by Great Hill Equity Partners IV, LP ("GHEP IV"), (ii) 49,009 shares of common stock held of record by Great Hill Investors, LLC ("GHI LLC"), (iii) 22,009 shares of common stock held of record by Christopher Gaffney, and (iv) 22,009 shares of common stock held of record by Derek Schoettle. The shares of common stock held of record by Mr. Gaffney and Mr. Schoettle are beneficially owned by GHEP IV pursuant to its amended and restated limited partnership agreements.

F2 · ownership.nature: GHP IV, LLC ("GHP IV") is the general partner of Great Hill Partners GP IV, L.P. ("GP IV"), which is the general partner of GHEP IV. Voting and investment determinations with respect to the securities held of record by GHEP IV are made by the Managers of GHP IV. Voting and investment determinations with respect to the securities held of record by GHI LLC are made by the Managers of GHI LLC. As such, each of the foregoing entities, the Managers of GHP IV and the Managers of GHI LLC may be deemed to share beneficial ownership of the securities held of record by GHEP IV, GHI LLC, Mr. Gaffney and Mr. Schoettle. Each of them disclaims any such beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0001104659-23-119177 · tm2330977-1_4seq1.xml · nonDerivative · entry 1

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 16,238,269

F1 · price: Represents a grant of restricted share units under the Intapp, Inc. 2021 Omnibus Incentive Plan to each of Christopher Gaffney and Derek Schoettle, each of whom are directors of Intapp, Inc. (the "Issuer"). Each restricted share unit represents a contingent right to receive one share of common stock of the Issuer. The securities issued to Mr. Gaffney and Mr. Schoettle may be deemed to be beneficially owned by Great Hill Equity Partners IV, LP pursuant to its amended and restated limited partnership agreements.

F2 · ownership.nature: Consists of (i) 16,136,294 shares of common stock held of record by Great Hill Equity Partners IV, LP ("GHEP IV"), (ii) 57,957 shares of common stock held of record by Great Hill Investors, LLC ("GHI LLC"), (iii) 22,009 shares of common stock held of record by Christopher Gaffney, and (iv) 22,009 shares of common stock held of record by Derek Schoettle. The shares of common stock held of record by Mr. Gaffney and Mr. Schoettle are beneficially owned by GHEP IV pursuant to its amended and restated limited partnership agreements.

F3 · ownership.nature: GHP IV, LLC ("GHP IV") is the general partner of Great Hill Partners GP IV, L.P. ("GP IV"), which is the general partner of GHEP IV. Voting and investment determinations with respect to the securities held of record by GHEP IV are made by the Managers of GHP IV. Voting and investment determinations with respect to the securities held of record by GHI LLC are made by the Managers of GHI LLC. As such, each of the foregoing entities, the Managers of GHP IV and the Managers of GHI LLC may be deemed to share beneficial ownership of the securities held of record by GHEP IV, GHI LLC, Mr. Gaffney and Mr. Schoettle. Each of them disclaims any such beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0001140361-23-026220 · form4.xml · nonDerivative · entry 1

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 16,208,435

F1 · ownership.nature: Consists of (i) 16,136,294 shares of common stock held of record by Great Hill Equity Partners IV, LP ("GHEP IV"), (ii) 57,957 shares of common stock held of record by Great Hill Investors, LLC ("GHI LLC"), (iii) 7,092 shares of common stock held of record by Christopher Gaffney, and (iv) 7,092 shares of common stock held of record by Derek Schoettle. The shares of common stock held of record by Christopher Gaffney and Derek Schoettle are beneficially owned by GHEP IV pursuant to its amended and restated limited partnership agreements. GHP IV, LLC ("GHP IV") is the general partner of Great Hill Partners GP IV, L.P. ("GP IV"), which is the general partner of GHEP IV. Voting and investment determinations with respect to the securities held of record by GHEP IV are made by the Managers of GHP IV. Voting and investment determinations with respect to the securities held of record by GHI LLC are made by the Managers of GHI LLC (continued in footnote 2).

F2 · ownership.nature: (continued from footnote 1) As such, each of the foregoing entities, the Managers of GHP IV and the Managers of GHI LLC may be deemed to share beneficial ownership of the securities held of record by GHEP IV, GHI LLC and each of the individuals. Each of them and each of the individuals disclaims any such beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0001104659-21-089797 · tm2121348-1_4seq1.xml · nonDerivative · entry 1

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 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: 18,241,686

F1 · ownership.nature: Consists of (i) 18,176,401 shares of common stock held of record by Great Hill Equity Partners IV, LP ("GHEP IV") and (ii) 65,285 shares of common stock held of record by Great Hill Investors, LLC ("GHI LLC"). GHP IV, LLC ("GHP IV") is the general partner of Great Hill Partners GP IV, L.P. ("GP IV"), which is the general partner of GHEP IV. Voting and investment determinations with respect to the securities held of record by GHEP IV are made by the Managers of GHP IV. Voting and investment determinations with respect to the securities held of record by GHI LLC are made by the Managers of GHI LLC. As such, each of the foregoing entities, the Managers of GHP IV and the Managers of GHI LLC may be deemed to share beneficial ownership of the securities held of record by GHEP IV and GHI LLC. Each of them disclaims any such beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0001104659-20-094648 · a4.xml · nonDerivative · entry 2

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,845

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.25 to $16.42. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.direct: These shares are held of record by Great Hill Investors, LLC.

SEC source: 0001104659-20-094648 · a4.xml · nonDerivative · entry 1

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,928,325

F1 · kind: Represents a pro rata in-kind distribution of Common Stock for no value by Great Hill Equity Partners V, L.P. ("GHEP V").

F2 · ownership.direct: These shares are held of record by GHEP V. GHP V, LLC is the sole general partner of Great Hill Partners GP V, L.P. ("GP V"), which is the sole general partner of GHEP V. As such, each of them may be deemed to share beneficial ownership of the securities held of record by GHEP V. Each of them disclaims any such beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0001104659-19-052271 · a4.xml · derivative · entry 2

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: Not disclosed

Underlying: COMMON STOCK · 27,734 shares

Expires 2020-06-30

F2 · ownership.direct: 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. Vettel.

F3 · ownership.direct: These securities are held of record by Great Hill Investors, LLC. Great Hill Investors, 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 Investors, LLC. Each of Messrs. Gaffney, Hayes, Kumin, Taber and Vettel disclaim beneficial ownership of these securities except to the extent of his pecuniary interest therein.

SEC source: 0001104659-19-052271 · a4.xml · derivative · entry 1

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: Not disclosed

Underlying: COMMON STOCK · 8,305,600 shares

Expires 2020-06-30

F1 · ownership.direct: These securities are held of record 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.

F2 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · derivative · entry 12

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 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 · 2,516 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.

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F4 · ownership.direct: These Shares are directly held by Great Hill Investors, LLC ("GHI"). The GH Control Persons are the managers of GHI.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · derivative · entry 11

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 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 · 649,512 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.

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F3 · ownership.direct: 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.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · derivative · entry 10

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 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 · 7,537 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.

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F4 · ownership.direct: These Shares are directly held by Great Hill Investors, LLC ("GHI"). The GH Control Persons are the managers of GHI.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · derivative · entry 9

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 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 · 1,945,348 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.

F2 · derivative.exercise_price: 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.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

F3 · ownership.direct: 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.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · derivative · entry 8

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 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 · 28,416 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: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

F4 · ownership.direct: These Shares are directly held by Great Hill Investors, LLC ("GHI"). The GH Control Persons are the managers of GHI.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · derivative · entry 7

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 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 · 7,333,402 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: 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.

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

F3 · ownership.direct: 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.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · nonDerivative · entry 6

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,469

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.

F2 · price: 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.

F4 · ownership.direct: These Shares are directly held by Great Hill Investors, LLC ("GHI"). The GH Control Persons are the managers of GHI.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · nonDerivative · entry 5

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,928,262

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.

F2 · price: 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.

F3 · ownership.direct: 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.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · nonDerivative · entry 4

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,953

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.

F2 · price: 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.

F4 · ownership.direct: These Shares are directly held by Great Hill Investors, LLC ("GHI"). The GH Control Persons are the managers of GHI.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · nonDerivative · entry 3

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,278,750

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.

F2 · price: 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.

F3 · ownership.direct: 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.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · nonDerivative · entry 2

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,416

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: 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.

F4 · ownership.direct: These Shares are directly held by Great Hill Investors, LLC ("GHI"). The GH Control Persons are the managers of GHI.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0001140361-19-012324 · form4.xml · nonDerivative · entry 1

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,333,402

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: 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.

F3 · ownership.direct: 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.

F5 · ownership.direct: 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.

F6 · ownership.direct: 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. Vettel.

SEC source: 0000899243-18-022720 · doc4.xml · nonDerivative · entry 3

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,714,721

F6 · shares: Represents 44,247 RSUs awarded to the Michael A. 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.

F2 · shares: 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.

F3 · ownership.direct: 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.

F4 · ownership.direct: 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. Vettel.

SEC source: 0000899243-18-022720 · doc4.xml · nonDerivative · entry 2

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,670,474

F5 · shares: Represents 44,247 RSUs awarded to Peter L. Garran on July 4, 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 4, 2018, subject to the Reporting Person's continuous service to the Issuer through the applicable vesting date.

F2 · shares: 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.

F3 · ownership.direct: 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.

F4 · ownership.direct: 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. Vettel.

SEC source: 0000899243-18-022720 · doc4.xml · nonDerivative · entry 1

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,626,227

F1 · shares: Represents (i) 18,181 Restricted Stock Units ("RSUs") granted to Michael A. Kumin and (ii) 18,181 RSUs granted to Peter L. Garran, each on August 23, 2017 which vested in full on June 20, 2018, which was the date of the annual meeting of the Issuer's stockholders next-following the grant date.

F2 · shares: 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.

F3 · ownership.direct: 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.

F4 · ownership.direct: 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. Vettel.

SEC source: 0000899243-17-020672 · doc4.xml · nonDerivative · entry 2

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,589,865

F1 · shares: Represents shares acquired in connection with YogaWorks, Inc.'s initial public offering.

F3 · ownership.direct: 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. Vettel.

F4 · ownership.direct: 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 disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0000899243-17-020672 · doc4.xml · nonDerivative · entry 1

Great Hill Equity Partners V, L.P. · CIK 0001593864 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP V, LLC · CIK 0001712499 · 10% owner

Great Hill Partners GP V, L.P. · CIK 0001712501 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,699

F1 · shares: Represents shares acquired in connection with YogaWorks, Inc.'s initial public offering.

F2 · ownership.direct: These shares are owned by Great Hill Investors, LLC. Great Hill Investors, 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 Investors, LLC. Each of Messrs. Gaffney, Hayes, Kumin, Taber and Vettel disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

F3 · ownership.direct: 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. Vettel.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 25

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,311

F16 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.30 to $63.33, inclusive. The reporting person undertakes to provide to Wayfair Inc., any security holder of Wayfair Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · ownership.direct: 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. Vettel.

F12 · ownership.direct: These securities are owned by Great Hill Investors, LLC. Great Hill Investors, 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 Investors, LLC. Each of Messrs. Gaffney, Hayes, Kumin, Taber and Vettel disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 24

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By UBMB, LLC

Disclosed balance after: 50,484

F15 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,368 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 24, 2017.

F2 · ownership.direct: 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. Vettel.

F11 · ownership.nature: UBMB, LLC is controlled by Christopher S. Gaffney and, as such, he may be deemed to indirectly beneficially own these securities. Mr. Gaffney disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 23

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Dakota Capital, LLC

Disclosed balance after: 40,476

F15 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,368 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 24, 2017.

F2 · ownership.direct: 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. Vettel.

F10 · ownership.nature: Dakota Capital, LLC is controlled by Matthew T. Vettel and, as such, he may be deemed to indirectly beneficially own these securities. Mr. Vettel disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 22

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Blue Hill Capital, LLC

Disclosed balance after: 60,580

F15 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,368 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 24, 2017.

F2 · ownership.direct: 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. Vettel.

F9 · ownership.nature: Blue Hill Capital, LLC is controlled by John G. Hayes and, as such, he may be deemed to indirectly beneficially own these securities. Mr. Hayes disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 21

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,852

F15 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,368 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 24, 2017.

F2 · ownership.direct: 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. Vettel.

F8 · ownership.direct: These securities are owned by Matthew T. Vettel.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 20

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,453

F15 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,368 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 24, 2017.

F2 · ownership.direct: 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. Vettel.

F7 · ownership.direct: These securities are owned by Mark D. Taber.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 19

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,799

F15 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,368 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 24, 2017.

F2 · ownership.direct: 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. Vettel.

F6 · ownership.direct: These securities are owned by Michael A. Kumin.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 18

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,966

F15 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,368 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 24, 2017.

F2 · ownership.direct: 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. Vettel.

F5 · ownership.direct: These securities are owned by John G. Hayes.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 17

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,062

F15 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,368 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 24, 2017.

F2 · ownership.direct: 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. Vettel.

F4 · ownership.direct: These securities are owned by Christopher S. Gaffney

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 16

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 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

F15 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,368 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 24, 2017.

F2 · ownership.direct: 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. Vettel.

F3 · ownership.direct: These securities are owned by Great Hill Partners GP IV, L.P. 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. Gaffney, Hayes, Kumin, Taber and Vettel disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 15

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,193

F13 · kind: Great Hill Equity Partners IV, L.P made a pro rata distribution for no consideration of an aggregate of 997,214 shares of Class A Common Stock of Wayfair Inc., 223,368 of which were distributed to its general partner, and 773,846 of which were distributed to its limited partners, on May 23, 2017.

F2 · ownership.direct: 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. Vettel.

F8 · ownership.direct: These securities are owned by Matthew T. Vettel.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 14

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,057

F13 · kind: Great Hill Equity Partners IV, L.P made a pro rata distribution for no consideration of an aggregate of 997,214 shares of Class A Common Stock of Wayfair Inc., 223,368 of which were distributed to its general partner, and 773,846 of which were distributed to its limited partners, on May 23, 2017.

F2 · ownership.direct: 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. Vettel.

F5 · ownership.direct: These securities are owned by John G. Hayes.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 13

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,199

F13 · kind: Great Hill Equity Partners IV, L.P made a pro rata distribution for no consideration of an aggregate of 997,214 shares of Class A Common Stock of Wayfair Inc., 223,368 of which were distributed to its general partner, and 773,846 of which were distributed to its limited partners, on May 23, 2017.

F2 · ownership.direct: 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. Vettel.

F4 · ownership.direct: These securities are owned by Christopher S. Gaffney

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 12

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 223,368

F13 · kind: Great Hill Equity Partners IV, L.P made a pro rata distribution for no consideration of an aggregate of 997,214 shares of Class A Common Stock of Wayfair Inc., 223,368 of which were distributed to its general partner, and 773,846 of which were distributed to its limited partners, on May 23, 2017.

F2 · ownership.direct: 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. Vettel.

F3 · ownership.direct: These securities are owned by Great Hill Partners GP IV, L.P. 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. Gaffney, Hayes, Kumin, Taber and Vettel disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 11

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,147,446

F13 · kind: Great Hill Equity Partners IV, L.P made a pro rata distribution for no consideration of an aggregate of 997,214 shares of Class A Common Stock of Wayfair Inc., 223,368 of which were distributed to its general partner, and 773,846 of which were distributed to its limited partners, on May 23, 2017.

F2 · ownership.direct: 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. Vettel.

F14 · ownership.direct: These securities are owned by Great Hill Equity Partners IV, L.P. 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. Gaffney, Hayes, Kumin, Taber and Vettel disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 10

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,031

F2 · ownership.direct: 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. Vettel.

F12 · ownership.direct: These securities are owned by Great Hill Investors, LLC. Great Hill Investors, 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 Investors, LLC. Each of Messrs. Gaffney, Hayes, Kumin, Taber and Vettel disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 9

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By UBMB, LLC

Disclosed balance after: 25,707

F1 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,390 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 22, 2017.

F2 · ownership.direct: 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. Vettel.

F11 · ownership.nature: UBMB, LLC is controlled by Christopher S. Gaffney and, as such, he may be deemed to indirectly beneficially own these securities. Mr. Gaffney disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 8

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Dakota Capital, LLC

Disclosed balance after: 20,704

F1 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,390 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 22, 2017.

F2 · ownership.direct: 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. Vettel.

F10 · ownership.nature: Dakota Capital, LLC is controlled by Matthew T. Vettel and, as such, he may be deemed to indirectly beneficially own these securities. Mr. Vettel disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 7

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Blue Hill Capital, LLC

Disclosed balance after: 30,849

F1 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,390 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 22, 2017.

F2 · ownership.direct: 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. Vettel.

F9 · ownership.nature: Blue Hill Capital, LLC is controlled by John G. Hayes and, as such, he may be deemed to indirectly beneficially own these securities. Mr. Hayes disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 6

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,992

F1 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,390 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 22, 2017.

F2 · ownership.direct: 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. Vettel.

F8 · ownership.direct: These securities are owned by Matthew T. Vettel.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 5

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,728

F1 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,390 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 22, 2017.

F2 · ownership.direct: 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. Vettel.

F7 · ownership.direct: These securities are owned by Mark D. Taber.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 4

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,401

F1 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,390 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 22, 2017.

F2 · ownership.direct: 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. Vettel.

F6 · ownership.direct: These securities are owned by Michael A. Kumin.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 3

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,855

F1 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,390 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 22, 2017.

F2 · ownership.direct: 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. Vettel.

F5 · ownership.direct: These securities are owned by John G. Hayes.

SEC source: 0001104659-17-034934 · a4.xml · nonDerivative · entry 2

GREAT HILL EQUITY PARTNERS IV LP · CIK 0001437849 · 10% owner

GREAT HILL INVESTORS LLC · CIK 0001161866 · 10% owner

GHP IV, LLC · CIK 0001486581 · 10% owner

Great Hill Partners GP IV, L.P. · CIK 0001486578 · 10% owner

GAFFNEY CHRISTOPHER S · CIK 0001049250 · 10% owner

HAYES JOHN G · CIK 0001049251 · 10% owner

Kumin Michael Andrew · CIK 0001368414 · Director · 10% owner

Taber Mark D. · CIK 0001576430 · 10% owner

Vettel Matthew T · CIK 0001365655 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,997

F1 · kind: Great Hill Partners GP IV, L.P. made a pro rata distribution for no consideration of an aggregate of 223,390 shares of Class A Common Stock of Wayfair Inc. to its limited partners on May 22, 2017.

F2 · ownership.direct: 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. Vettel.

F4 · ownership.direct: These securities are owned by Christopher S. Gaffney