SFIX

SEC source: 0001246360-18-001771 · form.xml · derivative · entry 7

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 18,103 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001246360-18-001771 · form.xml · derivative · entry 6

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,897

Underlying: Class B Common Stock · 18,103 shares

Expires 2023-04-24

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_date: The stock option vests over four years, with 25% vesting on March 6, 2014 and the balance vesting in equal monthly installments over the remaining three years, subject to the individual's continued service through each vesting date.

F5 · derivative.underlying: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) 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.

F6 · derivative.underlying: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of the death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

SEC source: 0001246360-18-001771 · form.xml · derivative · entry 5

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,103

Underlying: Class A Common Stock · 18,103 shares

Expires not disclosed

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

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001246360-18-001771 · form.xml · nonDerivative · entry 4

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

SEC source: 0001246360-18-001771 · form.xml · nonDerivative · entry 3

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,167

F3 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

SEC source: 0001246360-18-001771 · form.xml · nonDerivative · entry 2

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,915

F3 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

SEC source: 0001246360-18-001771 · form.xml · nonDerivative · entry 1

HANSEN MARKA · CIK 0001388969 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,103

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 the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · shares: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001246360-18-001769 · form.xml · derivative · entry 7

Darling Scott · CIK 0001558259 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,500

Underlying: Class A Common Stock · 46,000 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001246360-18-001769 · form.xml · nonDerivative · entry 5

Darling Scott · CIK 0001558259 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F5 · shares: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $27.50 to $27.99 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001246360-18-001769 · form.xml · nonDerivative · entry 4

Darling Scott · CIK 0001558259 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,000

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 the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · shares: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001246360-18-001773 · form.xml · derivative · entry 11

Lake Katrina · CIK 0001661964 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 11,818,789

Underlying: Class A Common Stock · 66,666 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: Since the Reporting Person's last report, 649,045 shares of Class B Common Stock were transferred from the Katrina M. Lake 2017 Grantor Retained Annuity Trust to the Katrina M. Lake Revocable Trust in satisfaction of an annuity payment.

F5 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001773 · form.xml · nonDerivative · entry 3

Lake Katrina · CIK 0001661964 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 0

F6 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F8 · shares: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.80 to $26.51 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001773 · form.xml · nonDerivative · entry 2

Lake Katrina · CIK 0001661964 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 27,116

F6 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F7 · shares: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $24.80 to $25.79 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001773 · form.xml · nonDerivative · entry 1

Lake Katrina · CIK 0001661964 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Katrina M. Lake Revocable Trust

Disclosed balance after: 66,666

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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F1 · shares: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001769 · form.xml · derivative · entry 6

Darling Scott · CIK 0001558259 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,500

Underlying: Class A Common Stock · 2,500 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001246360-18-001769 · form.xml · nonDerivative · entry 3

Darling Scott · CIK 0001558259 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

SEC source: 0001246360-18-001769 · form.xml · nonDerivative · entry 2

Darling Scott · CIK 0001558259 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25

F3 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F4 · shares: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.83 to $26.81 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001246360-18-001769 · form.xml · nonDerivative · entry 1

Darling Scott · CIK 0001558259 · Chief Legal Officer & Sec

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,500

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 the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · shares: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001246360-18-001770 · form.xml · derivative · entry 4

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,193,364

Underlying: Class A Common Stock · 25,000 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001246360-18-001770 · form.xml · nonDerivative · entry 3

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

SEC source: 0001246360-18-001770 · form.xml · nonDerivative · entry 2

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300

F3 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F4 · shares: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $25.83 to $26.81 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001246360-18-001770 · form.xml · nonDerivative · entry 1

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

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 the conversion of Class B Common Stock into Class A Common Stock held of record by the Reporting Person.

F2 · shares: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001104659-18-040884 · 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: 5,743,426

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;

F2 · derivative.exercise_price: (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.

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;

F2 · kind: (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.

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;

F2 · derivative.exercise_date: (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.

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;

F2 · derivative.expiration_date: (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.

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: 0001104659-18-040884 · a4.xml · nonDerivative · 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

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 Schaepe-Chiu Investments I LP - Fund 1

Disclosed balance after: 31,886

F7 · kind: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F7 · price: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F12 · ownership.nature: Shares held by Schaepe-Chiu Investments I LP - Fund 1. Christopher J. Schaepe serves as co-trustee of the general partner of such entity.

SEC source: 0001104659-18-040884 · 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

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 Nieh Family Investments LP - Fund 1

Disclosed balance after: 32,086

F7 · kind: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F7 · price: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F10 · balance_after: Includes 200 shares held by Peter Nieh's wife.

F11 · ownership.nature: Shares held by Nieh Family Investments LP - Fund 1. Peter Nieh serves as co-trustee of the general partner of such entity.

SEC source: 0001104659-18-040884 · 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

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 Mhatre Investments LP - Fund 1

Disclosed balance after: 131,985

F7 · kind: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F7 · price: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F9 · ownership.nature: Shares held by Mhatre Investments LP - Fund 1. Ravi Mhatre serves as trustee of the general partner of such entity.

SEC source: 0001104659-18-040884 · 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

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 Eggers Investments, L.P. - Fund 1

Disclosed balance after: 31,886

F7 · kind: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F7 · price: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F8 · ownership.nature: Shares held by Eggers Investments, L.P. - Fund 1. Barry Eggers serves as trustee of the general partner of such entity.

SEC source: 0001104659-18-040884 · 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

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: 0

F7 · kind: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F7 · price: Represents in-kind distribution by LGP VIII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

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: 0001104659-18-040884 · 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: 0001104659-18-040884 · 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: 0001104659-18-040884 · 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;

F2 · kind: (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.

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;

F2 · price: (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.

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: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 12

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.95 to $25.22, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 · ownership.nature: Shares are held by Alexandre Balkanski's family trust.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 9

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.95 to $25.22, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 · ownership.nature: Shares are held by a limited partnership controlled by Alexandre Balkanski.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 19

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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: 123,834

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.00 to $24.26, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F15 · ownership.nature: Shares are held by Bruce W. Dunlevie's family trust.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 17

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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

F13 · ownership.nature: Shares are held by limited partnerships controlled by Bruce W. Dunlevie.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 16

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,923

F14 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.00 to $24.26, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F13 · ownership.nature: Shares are held by limited partnerships controlled by Bruce W. Dunlevie.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 11

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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: 31,976

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.90 to $24.95, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 · ownership.nature: Shares are held by Alexandre Balkanski's family trust.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 8

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,895

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.90 to $24.95, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 · ownership.nature: Shares are held by a limited partnership controlled by Alexandre Balkanski.

SEC source: 0001209191-18-037568 · doc4.xml · derivative · entry 31

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,621,710

Underlying: Class A Common Stock · 404,955 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.

F22 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) 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.

F23 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F22 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) 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.

F23 · derivative.exercise_date: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F24 · derivative.expiration_date: Not applicable.

F2 · ownership.nature: Shares are held by Benchmark Capital Partners VI, L.P. ("BCP VI"), as nominee for BCP VI, Benchmark Founders' Fund VI, L.P. ("BFF VI"), Benchmark Founders' Fund VI-B, L.P. ("BFF VI-B") and related persons. Benchmark Capital Management Co. VI, L.L.C. ("BCMC VI"), the general partner of each of BCP VI, BFF VI and BFF VI-B, may be deemed to have sole voting and investment power over such shares. Alexandre Balkanski, Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Robert C. Kagle, Mitchell H. Lasky and Steven M. Spurlock, the managing members of BCMC VI, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001209191-18-037568 · doc4.xml · derivative · entry 30

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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: 15,287,195

Underlying: Class A Common Stock · 2,595,045 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.

F22 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) 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.

F23 · derivative.exercise_price: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F22 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the reporting person into one share of Class A Common Stock and has no expiration date. Class B Common Stock will convert automatically into Class A Common Stock on the earlier of (i) the date on which the number of outstanding shares of Class B Common Stock represents less than 10% of the aggregate combined number of outstanding shares of Class A Common Stock and Class B Common Stock; (ii) ten years following the effective date of the Issuer's initial public offering; or (iii) 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.

F23 · derivative.exercise_date: In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock (i) upon any transfer, whether or not for value (subject to certain exceptions), or (ii) in the event of death or disability (as defined in the amended and restated certificate of incorporation of the Issuer) of the reporting person, shares of Class B Common Stock held by the reporting person or the reporting person's permitted estate planning entities will convert into Class A Common Stock.

F24 · derivative.expiration_date: Not applicable.

F1 · ownership.nature: Shares are held by Benchmark Capital Partners VII, L.P. ("BCP VII"), as nominee for BCP VII, Benchmark Founders' Fund VII, L.P. ("BFF VII"), Benchmark Founders' Fund VII-B, L.P. ("BFF VII-B") and related persons. Benchmark Capital Management Co. VII, L.L.C. ("BCMC VII"), the general partner of each of BCP VII, BFF VII and BFF VII-B, may be deemed to have sole voting and investment power over such shares. Matthew R. Cohler, Bruce W. Dunlevie, Peter H. Fenton, J. William Gurley, Kevin R. Harvey, Mitchell H. Lasky, Steven M. Spurlock and Eric Vishria, the managing members of BCMC VII, may be deemed to share voting and investment power over these shares beneficially held by such entities. Each such person and entity disclaims the existence of a "group" and disclaims beneficial ownership of any securities (except to the extent such person's or entity's pecuniary interest in such securities).

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 29

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 466

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 28

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,458

F3 · kind: Represents a pro-rata, in-kind distribution by BCP VII and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F21 · ownership.nature: Shares are held by a limited partnership controlled by Mitchell H. Lasky.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 27

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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: 117,684

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.82 to $25.575, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F20 · ownership.nature: Shares are held by Mitchell H. Lasky's family trust.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 26

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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: 121,692

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F20 · ownership.nature: Shares are held by Mitchell H. Lasky's family trust.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 25

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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: 22,343

F3 · kind: Represents a pro-rata, in-kind distribution by BCP VII and its affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F19 · ownership.nature: Shares are held by a limited partnership controlled by Robert C. Kagle.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 24

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,725

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 23

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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: 132,997

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F18 · ownership.nature: Shares are held by Kevin R. Harvey's family trust.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 22

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 18,799

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F17 · ownership.nature: Shares are held by limited partnerships controlled by Kevin R. Harvey.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 21

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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: 122,602

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.82 to $25.575, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F16 · ownership.nature: Shares are held by Peter H. Fenton's family trusts.

SEC source: 0001209191-18-037568 · doc4.xml · nonDerivative · entry 20

SPURLOCK STEVEN M · CIK 0001190193 · 10% owner

BALKANSKI ALEXANDRE · CIK 0001190192 · 10% owner

Cohler Matt · CIK 0001572685 · 10% owner

DUNLEVIE BRUCE · CIK 0001190211 · 10% owner

FENTON PETER H · CIK 0001219230 · 10% owner

HARVEY KEVIN · CIK 0001190213 · 10% owner

KAGLE ROBERT · CIK 0001183234 · 10% owner

LASKY MITCHELL · CIK 0001091435 · 10% owner

Vishria Eric · CIK 0001617474 · 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: 126,610

F5 · kind: Represents a pro-rata, in-kind distribution by BCP VI, BCP VII and their affiliated funds and associated persons, without additional consideration, to their respective partners, members and assigns.

F16 · ownership.nature: Shares are held by Peter H. Fenton's family trusts.