LIGHTSPEED VENTURE PARTNERS VIII LP

SEC source: 0001104659-18-034174 · a4.xml · nonDerivative · entry 3

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed General Partner VIII, L.P.

Disclosed balance after: 246,031

F5 · kind: Represents in-kind distribution by LVP VIII without consideration to its partners (including LGP VIII, the general partner of LVP VIII).

F5 · price: Represents in-kind distribution by LVP VIII without consideration to its partners (including LGP VIII, the general partner of LVP VIII).

F6 · ownership.nature: Shares held by LGP VIII.

F4 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P. ("LGP VIII"), which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001104659-18-034174 · a4.xml · nonDerivative · entry 2

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners VIII, L.P.

Disclosed balance after: 0

F5 · kind: Represents in-kind distribution by LVP VIII without consideration to its partners (including LGP VIII, the general partner of LVP VIII).

F5 · price: Represents in-kind distribution by LVP VIII without consideration to its partners (including LGP VIII, the general partner of LVP VIII).

F3 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F4 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P. ("LGP VIII"), which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001104659-18-034174 · a4.xml · nonDerivative · entry 1

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners VIII, L.P.

Disclosed balance after: 1,148,686

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 · kind: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. Any holder's shares of Class B Common Stock will convert automatically into Class A Common Stock, on a one-to-one basis, upon any of the following: (i) sale or transfer of such share of Class B Common Stock; (ii) the death of a stockholder that is a natural person; or (iii) on the final conversion date, defined as the earlier of (a) the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the tenth anniversary of the Issuer's initial public offering; or (c) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · kind: Once transferred and converted into Class A Common Stock, the Class B Common Stock may not be reissued.

F1 · price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. Any holder's shares of Class B Common Stock will convert automatically into Class A Common Stock, on a one-to-one basis, upon any of the following: (i) sale or transfer of such share of Class B Common Stock; (ii) the death of a stockholder that is a natural person; or (iii) on the final conversion date, defined as the earlier of (a) the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the tenth anniversary of the Issuer's initial public offering; or (c) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · price: Once transferred and converted into Class A Common Stock, the Class B Common Stock may not be reissued.

F3 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F4 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P. ("LGP VIII"), which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001104659-18-035197 · a4.xml · derivative · entry 9

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 8,040,798

Underlying: Class A Common Stock · 1,148,686 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: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. Any holder's shares of Class B Common Stock will convert automatically into Class A Common Stock, on a one-to-one basis, upon any of the following: (i) sale or transfer of such share of Class B Common Stock; (ii) the death of a stockholder that is a natural person; or (iii) on the final conversion date, defined as the earlier of (a) the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the tenth anniversary of the Issuer's initial public offering; or (c) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · derivative.exercise_price: Once transferred and converted into Class A Common Stock, the Class B Common Stock may not be reissued.

F1 · kind: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. Any holder's shares of Class B Common Stock will convert automatically into Class A Common Stock, on a one-to-one basis, upon any of the following: (i) sale or transfer of such share of Class B Common Stock; (ii) the death of a stockholder that is a natural person; or (iii) on the final conversion date, defined as the earlier of (a) the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the tenth anniversary of the Issuer's initial public offering; or (c) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · kind: Once transferred and converted into Class A Common Stock, the Class B Common Stock may not be reissued.

F1 · derivative.exercise_date: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. Any holder's shares of Class B Common Stock will convert automatically into Class A Common Stock, on a one-to-one basis, upon any of the following: (i) sale or transfer of such share of Class B Common Stock; (ii) the death of a stockholder that is a natural person; or (iii) on the final conversion date, defined as the earlier of (a) the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the tenth anniversary of the Issuer's initial public offering; or (c) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · derivative.exercise_date: Once transferred and converted into Class A Common Stock, the Class B Common Stock may not be reissued.

F1 · derivative.expiration_date: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. Any holder's shares of Class B Common Stock will convert automatically into Class A Common Stock, on a one-to-one basis, upon any of the following: (i) sale or transfer of such share of Class B Common Stock; (ii) the death of a stockholder that is a natural person; or (iii) on the final conversion date, defined as the earlier of (a) the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the tenth anniversary of the Issuer's initial public offering; or (c) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · derivative.expiration_date: Once transferred and converted into Class A Common Stock, the Class B Common Stock may not be reissued.

F3 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F4 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P. ("LGP VIII"), which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

F3 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F4 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P. ("LGP VIII"), which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-18-015874 · doc4.xml · derivative · entry 1

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · 610,714 shares

Expires not disclosed

F1 · kind: As previously disclosed, LVP VIII and certain other parties are party to a Note Purchase Agreement, dated May 4, 2017 (as amended, the "Note Purchase Agreement"), pursuant to which Tintri, Inc. (the "Issuer") had the right to issue to LVP VIII and such other parties one or more subordinated convertible promissory notes (the "Notes"). On February 26, 2018, LVP VIII funded its respective amount under the Note Purchase Agreement and was issued a Note with a maturity date 540 days from the date of issuance. Pursuant to the terms of the Note Purchase Agreement, as the maturity date of such Note will occur prior to the date at which the Issuer would have been permitted to convert such amounts into Common Stock, such Note will not be convertible by the Issuer into Common Stock.

F2 · shares: Represents the maximum principal amount of the Note that the Issuer could issue to LVP VIII under the Note Purchase Agreement, which, under certain circumstances, the Issuer had the right to convert into shares of Common Stock at a price of $7.00 per share.

F1 · derivative.exercise_date: As previously disclosed, LVP VIII and certain other parties are party to a Note Purchase Agreement, dated May 4, 2017 (as amended, the "Note Purchase Agreement"), pursuant to which Tintri, Inc. (the "Issuer") had the right to issue to LVP VIII and such other parties one or more subordinated convertible promissory notes (the "Notes"). On February 26, 2018, LVP VIII funded its respective amount under the Note Purchase Agreement and was issued a Note with a maturity date 540 days from the date of issuance. Pursuant to the terms of the Note Purchase Agreement, as the maturity date of such Note will occur prior to the date at which the Issuer would have been permitted to convert such amounts into Common Stock, such Note will not be convertible by the Issuer into Common Stock.

F1 · derivative.expiration_date: As previously disclosed, LVP VIII and certain other parties are party to a Note Purchase Agreement, dated May 4, 2017 (as amended, the "Note Purchase Agreement"), pursuant to which Tintri, Inc. (the "Issuer") had the right to issue to LVP VIII and such other parties one or more subordinated convertible promissory notes (the "Notes"). On February 26, 2018, LVP VIII funded its respective amount under the Note Purchase Agreement and was issued a Note with a maturity date 540 days from the date of issuance. Pursuant to the terms of the Note Purchase Agreement, as the maturity date of such Note will occur prior to the date at which the Issuer would have been permitted to convert such amounts into Common Stock, such Note will not be convertible by the Issuer into Common Stock.

F1 · derivative.underlying_shares: As previously disclosed, LVP VIII and certain other parties are party to a Note Purchase Agreement, dated May 4, 2017 (as amended, the "Note Purchase Agreement"), pursuant to which Tintri, Inc. (the "Issuer") had the right to issue to LVP VIII and such other parties one or more subordinated convertible promissory notes (the "Notes"). On February 26, 2018, LVP VIII funded its respective amount under the Note Purchase Agreement and was issued a Note with a maturity date 540 days from the date of issuance. Pursuant to the terms of the Note Purchase Agreement, as the maturity date of such Note will occur prior to the date at which the Issuer would have been permitted to convert such amounts into Common Stock, such Note will not be convertible by the Issuer into Common Stock.

F3 · ownership.direct: Security is held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F4 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein. Mr. Schaepe is a director of the Issuer and files separate reports.

SEC source: 0001209191-17-062236 · doc4.xml · derivative · entry 4

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 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: 10,338,170

Underlying: Class A Common Stock · 10,338,170 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.

F6 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. Any holder's shares of Class B Common Stock will convert automatically into Class A Common Stock, on a one-to-one basis, upon any of the following: (i) sale or transfer of such share of Class B Common Stock; (ii) the death of a stockholder that is a natural person; or (iii) on the final conversion date, defined as the earlier of (a) the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the tenth anniversary of the Issuer's initial public offering; or (c) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class. Once transferred and converted into Class A Common Stock, the Class B Common Stock may not be reissued.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. Any holder's shares of Class B Common Stock will convert automatically into Class A Common Stock, on a one-to-one basis, upon any of the following: (i) sale or transfer of such share of Class B Common Stock; (ii) the death of a stockholder that is a natural person; or (iii) on the final conversion date, defined as the earlier of (a) the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the tenth anniversary of the Issuer's initial public offering; or (c) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class. Once transferred and converted into Class A Common Stock, the Class B Common Stock may not be reissued.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock. Any holder's shares of Class B Common Stock will convert automatically into Class A Common Stock, on a one-to-one basis, upon any of the following: (i) sale or transfer of such share of Class B Common Stock; (ii) the death of a stockholder that is a natural person; or (iii) on the final conversion date, defined as the earlier of (a) the first trading day on or after the date on which the outstanding shares of Class B Common Stock represent less than 10% of the then outstanding Class A and Class B Common Stock; (b) the tenth anniversary of the Issuer's initial public offering; or (c) the date specified by vote of the holders of a majority of the outstanding shares of Class B Common Stock, voting as a single class. Once transferred and converted into Class A Common Stock, the Class B Common Stock may not be reissued.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

F2 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-062236 · doc4.xml · derivative · entry 3

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · see footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 448,460 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.

F5 · derivative.exercise_price: The Series C Preferred Stock automatically converted into shares of Class B Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series C Preferred Stock had no expiration date.

F5 · derivative.exercise_date: The Series C Preferred Stock automatically converted into shares of Class B Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series C Preferred Stock had no expiration date.

F5 · derivative.expiration_date: The Series C Preferred Stock automatically converted into shares of Class B Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series C Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

F2 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-062236 · doc4.xml · derivative · entry 2

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · see footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,554,230 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.

F4 · derivative.exercise_price: The Series A-1 Preferred Stock automatically converted into shares of Class B Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series A-1 Preferred Stock had no expiration date.

F4 · derivative.exercise_date: The Series A-1 Preferred Stock automatically converted into shares of Class B Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series A-1 Preferred Stock had no expiration date.

F4 · derivative.expiration_date: The Series A-1 Preferred Stock automatically converted into shares of Class B Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series A-1 Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

F2 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-062236 · doc4.xml · derivative · entry 1

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · see footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 8,335,480 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series A Preferred Stock automatically converted into shares of Class B Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series A Preferred Stock had no expiration date.

F1 · derivative.exercise_date: The Series A Preferred Stock automatically converted into shares of Class B Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series A Preferred Stock had no expiration date.

F1 · derivative.expiration_date: The Series A Preferred Stock automatically converted into shares of Class B Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series A Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

F2 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · derivative · entry 15

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 610,714

Underlying: Common Stock · 610,714 shares

Expires not disclosed

F9 · derivative.exercise_date: At any time on or after December 1, 2019, upon the election of the Issuer pursuant to the approval of a majority of the members of the Issuer's board of directors and subject to the terms and conditions of any outstanding Note(s), any outstanding principal amount of the Note(s) and all accrued and unpaid interest on the Note(s) shall automatically convert into fully paid and nonassessable shares of common stock at the initial public offering price of $7.00 per share.

F10 · derivative.expiration_date: The Issuer's right to draw funds under the Note Purchase Agreement and to cause any resulting Note(s) to convert into common stock will expire on December 1, 2019. All unpaid principal, together with any then unpaid and accrued interest and other amounts payable under the Note, shall be due and payable on the earlier of (i) 540 days from the date of issuance of such Note(s), or (ii) when, upon the occurrence and during the continuance of an Event of Default (as defined in such Note(s)), such amounts are declared due and payable by Reporting Person or made automatically due and payable, in each case, in accordance with the terms of such Note(s).

F11 · ownership.direct: See Exhibit 99.1

SEC source: 0001209191-17-044689 · doc4.xml · derivative · entry 14

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 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 · 190,978 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.

F8 · derivative.exercise_price: The Series F-2 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series F-2 Preferred Stock had no an expiration date.

F8 · derivative.exercise_date: The Series F-2 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series F-2 Preferred Stock had no an expiration date.

F8 · derivative.expiration_date: The Series F-2 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series F-2 Preferred Stock had no an expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · derivative · entry 13

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 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 · 140,177 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.

F7 · derivative.exercise_price: The Series E-1 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series E-1 Preferred Stock had no expiration date.

F7 · derivative.exercise_date: The Series E-1 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series E-1 Preferred Stock had no expiration date.

F7 · derivative.expiration_date: The Series E-1 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series E-1 Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · derivative · entry 12

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 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 · 350,441 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.

F6 · derivative.exercise_price: The Series E-2 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series E-2 Preferred Stock had no expiration date.

F6 · derivative.exercise_date: The Series E-2 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series E-2 Preferred Stock had no expiration date.

F6 · derivative.expiration_date: The Series E-2 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series E-2 Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · derivative · entry 11

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 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 · 217,477 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.

F5 · derivative.exercise_price: The Series D Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series D Preferred Stock had no expiration date.

F5 · derivative.exercise_date: The Series D Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series D Preferred Stock had no expiration date.

F5 · derivative.expiration_date: The Series D Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series D Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · derivative · entry 10

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 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 · 580,800 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.

F4 · derivative.exercise_price: The Series C Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series C Preferred Stock had no expiration date.

F4 · derivative.exercise_date: The Series C Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series C Preferred Stock had no expiration date.

F4 · derivative.expiration_date: The Series C Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series C Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · derivative · entry 9

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 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 · 1,306,484 shares

Expires not disclosed

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

F1 · derivative.exercise_price: The Series B Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series B Preferred Stock had no expiration date.

F1 · derivative.exercise_date: The Series B Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series B Preferred Stock had no expiration date.

F1 · derivative.expiration_date: The Series B Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series B Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · nonDerivative · entry 7

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,384,215

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · nonDerivative · entry 6

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,786,357

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.

F8 · price: The Series F-2 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series F-2 Preferred Stock had no an expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · nonDerivative · entry 5

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,595,379

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.

F7 · price: The Series E-1 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series E-1 Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · nonDerivative · entry 4

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,455,202

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.

F6 · price: The Series E-2 Preferred Stock automatically converted into shares of Common Stock on a 1.68214-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The Series E-2 Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · nonDerivative · entry 3

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,104,761

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.

F5 · price: The Series D Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series D Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · nonDerivative · entry 2

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,887,284

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.

F4 · price: The Series C Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series C Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-044689 · doc4.xml · nonDerivative · entry 1

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,306,484

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

F1 · price: The Series B Preferred Stock automatically converted into shares of Common Stock on a one-for-one basis immediately prior to the closing of the Issuer's initial public offering. The Series B Preferred Stock had no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001104659-17-038507 · a4.xml · nonDerivative · entry 7

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Eggers Investments LP - Fund 1

Disclosed balance after: 0

F9 · price: These sales were executed in multiple trades at prices ranging from $17.50 to $18.23. The price reported above reflects the weighted average sale price. Mr. Eggers hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

F6 · ownership.nature: The shares are held of record by Eggers Investments LP - Fund I. Barry Eggers serves as trustee of the general partner of such entity.

SEC source: 0001104659-17-038507 · a4.xml · nonDerivative · entry 6

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Schaepe-Chiu Investments I LP - Fund 1

Disclosed balance after: 152,075

F5 · kind: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F5 · price: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F8 · ownership.nature: The shares are held of record by Schaepe-Chiu Investments I LP - Fund 1. Christopher J. Schaepe serves as co-trustee of the general partner of such entity.

SEC source: 0001104659-17-038507 · a4.xml · nonDerivative · entry 5

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Nieh Family Investments LP - Fund 1

Disclosed balance after: 113,227

F5 · kind: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F5 · price: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F7 · ownership.nature: The shares are held of record by Nieh Family Investments LP - Fund I. Peter Nieh serves as co-trustee of the general partner of such entity.

SEC source: 0001104659-17-038507 · a4.xml · nonDerivative · entry 4

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Eggers Investments LP - Fund 1

Disclosed balance after: 113,227

F5 · kind: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F5 · price: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F6 · ownership.nature: The shares are held of record by Eggers Investments LP - Fund I. Barry Eggers serves as trustee of the general partner of such entity.

SEC source: 0001104659-17-038507 · a4.xml · nonDerivative · entry 3

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed General Partner VIII, L.P.

Disclosed balance after: 0

F5 · kind: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F5 · price: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F2 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. is the sole general partner of Lightspeed General Partner VIII, L.P. ("LGP VIII"), which is the sole general partner of Lightspeed VIII. The individual directors of Lightspeed Ultimate General Partner VIII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: The shares are held of record by LGP VIII.

SEC source: 0001104659-17-038507 · a4.xml · nonDerivative · entry 2

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed General Partner VIII, L.P.

Disclosed balance after: 875,054

F1 · kind: Represents in-kind distribution by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII") without consideration to its partners (including LGP VIII, the general partner of Lightspeed VIII).

F1 · price: Represents in-kind distribution by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII") without consideration to its partners (including LGP VIII, the general partner of Lightspeed VIII).

F2 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. is the sole general partner of Lightspeed General Partner VIII, L.P. ("LGP VIII"), which is the sole general partner of Lightspeed VIII. The individual directors of Lightspeed Ultimate General Partner VIII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: The shares are held of record by LGP VIII.

SEC source: 0001104659-17-038507 · a4.xml · nonDerivative · entry 1

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners VIII, L.P.

Disclosed balance after: 0

F1 · kind: Represents in-kind distribution by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII") without consideration to its partners (including LGP VIII, the general partner of Lightspeed VIII).

F1 · price: Represents in-kind distribution by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII") without consideration to its partners (including LGP VIII, the general partner of Lightspeed VIII).

F2 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. is the sole general partner of Lightspeed General Partner VIII, L.P. ("LGP VIII"), which is the sole general partner of Lightspeed VIII. The individual directors of Lightspeed Ultimate General Partner VIII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F3 · ownership.nature: The shares are held of record by Lightspeed VIII.

SEC source: 0001209191-17-044689 · doc4.xml · derivative · entry 8

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 516,137

Underlying: Common Stock · 516,137 shares

Expires 2027-06-01

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("LVP VIII").

F3 · ownership.direct: Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the sole general partner of Lightspeed General Partner VIII, L.P., which serves as the sole general partner of LVP VIII. Barry Eggers, Ravi Mhatre, Peter Y. Nieh and Christopher J. Schaepe, the directors of LUGP VIII, share voting and dispositive power with respect to the shares held of record by LVP VIII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001104659-17-037046 · a4.xml · derivative · entry 14

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 190,363 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.

F11 · derivative.exercise_price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F11 · kind: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F11 · price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F11 · derivative.exercise_date: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F11 · derivative.expiration_date: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F14 · ownership.nature: Lightspeed Ultimate General Partner Select, Ltd. is the sole general partner of Lightspeed General Partner Select, L.P. ("LGP Select"), which is the sole general partner of Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). The individual directors of Lightspeed Ultimate General Partner Select, Ltd. are Christopher J. Schaepe, Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh and John Vrionis. Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F15 · ownership.nature: The shares are held of record by Lightspeed Select.

SEC source: 0001104659-17-037046 · a4.xml · derivative · entry 13

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners VIII, L.P.

Disclosed balance after: 11,441,783

Underlying: Class A Common Stock · 3,007,715 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.

F11 · derivative.exercise_price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F11 · kind: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F11 · price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F11 · derivative.exercise_date: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F11 · derivative.expiration_date: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F12 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. is the sole general partner of Lightspeed General Partner VIII, L.P. ("LGP VIII"), which is the sole general partner of Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). The individual directors of Lightspeed Ultimate General Partner VIII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F13 · ownership.nature: The shares are held of record by Lightspeed VIII.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 11

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 190,363

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.

F11 · kind: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F11 · price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F14 · ownership.nature: Lightspeed Ultimate General Partner Select, Ltd. is the sole general partner of Lightspeed General Partner Select, L.P. ("LGP Select"), which is the sole general partner of Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). The individual directors of Lightspeed Ultimate General Partner Select, Ltd. are Christopher J. Schaepe, Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh and John Vrionis. Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F15 · ownership.nature: The shares are held of record by Lightspeed Select.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 10

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners VIII, L.P.

Disclosed balance after: 3,759,643

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.

F11 · kind: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F11 · price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F12 · ownership.nature: Lightspeed Ultimate General Partner VIII, Ltd. is the sole general partner of Lightspeed General Partner VIII, L.P. ("LGP VIII"), which is the sole general partner of Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). The individual directors of Lightspeed Ultimate General Partner VIII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F13 · ownership.nature: The shares are held of record by Lightspeed VIII.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 8

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Barry Eggers Revocable Trust dtd 6/4/2008

Disclosed balance after: 0

F9 · price: These sales were executed in multiple trades at prices ranging from $18.75 to $18.86. The price reported above reflects the weighted average sale price. Mr. Eggers hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

F6 · ownership.nature: The shares are held of record by Barry Eggers Revocable Trust dtd 6/4/2008, for which Barry Eggers serves as trustee.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 9

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Schaepe-Chiu Living Trust Dated 11/5/1997

Disclosed balance after: 213,955

F10 · price: These sales were executed in multiple trades at prices ranging from $18.26 to $18.465. The price reported above reflects the weighted average sale price. Mr. Schaepe hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

F7 · ownership.nature: The shares are held of record by The Schaepe-Chiu Living Trust Dated November 5, 1997, for which Christopher J. Schaepe serves as co-trustee.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 7

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Barry Eggers Revocable Trust dtd 6/4/2008

Disclosed balance after: 50,698

F8 · price: These sales were executed in multiple trades at prices ranging from $18.75 to $19.72. The price reported above reflects the weighted average sale price. Mr. Eggers hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

F6 · ownership.nature: The shares are held of record by Barry Eggers Revocable Trust dtd 6/4/2008, for which Barry Eggers serves as trustee.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 6

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Schaepe-Chiu Living Trust Dated 11/5/1997

Disclosed balance after: 238,955

F5 · kind: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F5 · price: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F7 · ownership.nature: The shares are held of record by The Schaepe-Chiu Living Trust Dated November 5, 1997, for which Christopher J. Schaepe serves as co-trustee.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 5

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Barry Eggers Revocable Trust dtd 6/4/2008

Disclosed balance after: 190,355

F5 · kind: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F5 · price: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F6 · ownership.nature: The shares are held of record by Barry Eggers Revocable Trust dtd 6/4/2008, for which Barry Eggers serves as trustee.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 4

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 273,777

F5 · kind: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F5 · price: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F17 · ownership.direct: The shares are held of record by Peter Nieh.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 3

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed General Partner VII, L.P.

Disclosed balance after: 0

F5 · kind: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F5 · price: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F2 · ownership.nature: Lightspeed Ultimate General Partner VII, Ltd. is the sole general partner of Lightspeed General Partner VII, L.P. ("LGP VII"), which is the sole general partner of Lightspeed VII. The individual directors of Lightspeed Ultimate General Partner VII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: The shares are held of record by LGP VII.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 2

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed General Partner VII, L.P.

Disclosed balance after: 1,192,558

F1 · kind: Represents in-kind distribution by Lightspeed Venture Partners VII, L.P. ("Lightspeed VII") without consideration to its partners (including LGP VII, the general partner of Lightspeed VII).

F1 · price: Represents in-kind distribution by Lightspeed Venture Partners VII, L.P. ("Lightspeed VII") without consideration to its partners (including LGP VII, the general partner of Lightspeed VII).

F2 · ownership.nature: Lightspeed Ultimate General Partner VII, Ltd. is the sole general partner of Lightspeed General Partner VII, L.P. ("LGP VII"), which is the sole general partner of Lightspeed VII. The individual directors of Lightspeed Ultimate General Partner VII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: The shares are held of record by LGP VII.

SEC source: 0001104659-17-037046 · a4.xml · nonDerivative · entry 1

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners VII, L.P.

Disclosed balance after: 0

F1 · kind: Represents in-kind distribution by Lightspeed Venture Partners VII, L.P. ("Lightspeed VII") without consideration to its partners (including LGP VII, the general partner of Lightspeed VII).

F1 · price: Represents in-kind distribution by Lightspeed Venture Partners VII, L.P. ("Lightspeed VII") without consideration to its partners (including LGP VII, the general partner of Lightspeed VII).

F2 · ownership.nature: Lightspeed Ultimate General Partner VII, Ltd. is the sole general partner of Lightspeed General Partner VII, L.P. ("LGP VII"), which is the sole general partner of Lightspeed VII. The individual directors of Lightspeed Ultimate General Partner VII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F3 · ownership.nature: The shares are held of record by Lightspeed VII.

SEC source: 0001104659-17-022319 · a4.xml · nonDerivative · entry 9

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Nieh Family Investments I LP - Fund 1

Disclosed balance after: 0

F9 · price: These sales were executed in multiple trades at prices ranging from $17.85 to $18.26. The price reported above reflects the weighted average sale price. Mr. Nieh hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

F8 · ownership.nature: The shares are held of record by Nieh Family Investments LP - Fund 1. Peter Nieh serves as co-trustee of the general partner of such entity.

SEC source: 0001104659-17-022319 · a4.xml · nonDerivative · entry 8

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,769

F9 · price: These sales were executed in multiple trades at prices ranging from $17.85 to $18.26. The price reported above reflects the weighted average sale price. Mr. Nieh hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

F15 · ownership.direct: The shares are held of record by Peter Nieh.

SEC source: 0001104659-17-022319 · a4.xml · nonDerivative · entry 7

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Nieh Family Investments I LP - Fund 1

Disclosed balance after: 29,590

F7 · price: These sales were executed in multiple trades at prices ranging from $17.24 to $17.87. The price reported above reflects the weighted average sale price. Mr. Nieh hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

F8 · ownership.nature: The shares are held of record by Nieh Family Investments LP - Fund 1. Peter Nieh serves as co-trustee of the general partner of such entity.

SEC source: 0001104659-17-022319 · a4.xml · nonDerivative · entry 6

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,179

F7 · price: These sales were executed in multiple trades at prices ranging from $17.24 to $17.87. The price reported above reflects the weighted average sale price. Mr. Nieh hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

F15 · ownership.direct: The shares are held of record by Peter Nieh.

SEC source: 0001104659-17-022319 · a4.xml · nonDerivative · entry 5

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Schaepe-Chiu Living Trust Dated 11/5/1997

Disclosed balance after: 64,947

F6 · price: These sales were executed in multiple trades at prices ranging from $17.68 to $17.99. The price reported above reflects the weighted average sale price. Mr. Schaepe hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

F5 · ownership.nature: The shares are held of record by The Schaepe-Chiu Living Trust Dated November 5, 1997, for which Christopher J. Schaepe serves as co-trustee.

SEC source: 0001104659-17-022319 · a4.xml · nonDerivative · entry 4

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Schaepe-Chiu Living Trust Dated 11/5/1997

Disclosed balance after: 114,947

F4 · price: These sales were executed in multiple trades at prices ranging from $17.27 to $17.73. The price reported above reflects the weighted average sale price. Mr. Schaepe hereby undertakes to provide full information regarding the number of shares and prices at which these sales were effected, upon request, to the staff of the Securities and Exchange Commission, the Issuer or a security holder of the Issuer.

F5 · ownership.nature: The shares are held of record by The Schaepe-Chiu Living Trust Dated November 5, 1997, for which Christopher J. Schaepe serves as co-trustee.