SFIX

SEC source: 0001209191-18-054549 · doc4.xml · nonDerivative · entry 2

Vishria Eric · CIK 0001617474 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 404,955

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 · 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: 0001209191-18-054549 · doc4.xml · nonDerivative · entry 1

Vishria Eric · CIK 0001617474 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,595,045

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

F1 · ownership.nature: 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: 0001246360-18-002335 · form.xml · derivative · entry 5

Yee Paul · CIK 0001722941 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,000

Underlying: Class A Common Stock · 5,000 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.

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.

F2 · 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.

SEC source: 0001246360-18-002335 · form.xml · derivative · entry 4

Yee Paul · CIK 0001722941 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 352,000

Underlying: Class B Common Stock · 5,000 shares

Expires 2027-06-29

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

F3 · derivative.exercise_date: The stock option vests over four years, with 25% vesting on June 12, 2018 and the balance vesting in equal monthly installments over the remaining three years, subject to the individual's continued service through each vesting date.

F4 · 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.

F5 · 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: 0001246360-18-002335 · form.xml · derivative · entry 3

Yee Paul · CIK 0001722941 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,000

Underlying: Class A Common Stock · 5,000 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.

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.

SEC source: 0001246360-18-002335 · form.xml · nonDerivative · entry 2

Yee Paul · CIK 0001722941 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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

SEC source: 0001246360-18-002335 · form.xml · nonDerivative · entry 1

Yee Paul · CIK 0001722941 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

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.

F2 · 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.

SEC source: 0001246360-18-002336 · form.xml · derivative · 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: 11,429,205

Underlying: Class A Common Stock · 6,250 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-002336 · 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: 0

F4 · shares: On October 3, 2018, the Reporting Person made a charitable gift of 6,250 shares of Common Stock.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-002336 · 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: 6,250

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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-002234 · form.xml · derivative · entry 6

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,118,364

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: 0001246360-18-002234 · form.xml · nonDerivative · entry 5

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.

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 $50.79 to $51.68 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: 0001246360-18-002234 · form.xml · nonDerivative · entry 4

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,707

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

F6 · shares: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $49.79 to $50.77 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: 0001246360-18-002234 · form.xml · nonDerivative · entry 3

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,857

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 $48.77 to $49.69 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: 0001246360-18-002234 · form.xml · nonDerivative · entry 2

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,417

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 $47.77 to $48.75 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: 0001246360-18-002234 · 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: 0001104659-18-056051 · 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: 2,297,368

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

F2 · derivative.exercise_price: (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; (b) the tenth anniversary of the Issuer's initial public offering; or

F2 · kind: (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; (b) the tenth anniversary of the Issuer's initial public offering; or

F2 · derivative.exercise_date: (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; (b) the tenth anniversary of the Issuer's initial public offering; or

F2 · derivative.expiration_date: (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: 0001104659-18-056051 · 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: 127,544

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: 0001104659-18-056051 · 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: 95,858

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: 0001104659-18-056051 · 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: 65,992

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: 0001104659-18-056051 · 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: 0001104659-18-056051 · 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: 0001104659-18-056051 · 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: 246,032

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: 0001104659-18-056051 · 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: 0001104659-18-056051 · 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

F2 · kind: (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; (b) the tenth anniversary of the Issuer's initial public offering; or

F2 · price: (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: 0001104659-18-055409 · a4.xml · nonDerivative · entry 1

Eggers Barry · CIK 0001366048 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Eggers Investments, L.P. - Fund 1

Disclosed balance after: 0

F1 · price: These sales were executed in multiple trades at prices ranging from $40.72 to $41.02. 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.

F2 · 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: 0001246360-18-002102 · form.xml · derivative · 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: 11,435,455

Underlying: Class A Common Stock · 50,000 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-002102 · 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: 0

F4 · 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 $32.36 to $33.24 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-002102 · 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: 50,000

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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-002064 · form.xml · derivative · entry 4

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,143,364

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: 0001246360-18-002064 · 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.

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 $32.92 to $33.82 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: 0001246360-18-002064 · form.xml · nonDerivative · entry 2

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,209

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 $31.92 to $32.91 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: 0001246360-18-002064 · 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: 0001246360-18-001875 · form.xml · derivative · entry 13

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: 11,485,455

Underlying: Class A Common Stock · 66,668 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · form.xml · nonDerivative · entry 10

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

F4 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F11 · shares: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $35.215 to $35.415 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · form.xml · nonDerivative · entry 9

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: 3,224

F4 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F10 · shares: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $34.21 to $35.11 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · form.xml · nonDerivative · entry 8

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: 39,918

F4 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F9 · shares: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $33.21 to $34.18 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · form.xml · nonDerivative · entry 7

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: 66,668

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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · form.xml · derivative · entry 12

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: 11,552,123

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.

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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · form.xml · nonDerivative · entry 6

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

F4 · 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 $33.02 to $33.13 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · form.xml · nonDerivative · entry 5

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: 8,626

F4 · 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 $32.02 to $33.015 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · form.xml · nonDerivative · entry 4

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.

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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · 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: 11,618,789

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.

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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · 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

F4 · kind: Shares disposed of pursuant to a previously established Rule 10b5-1 plan.

F6 · shares: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $32.97 to $33.28 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · 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: 14,200

F4 · 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 $31.97 to $32.96 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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001875 · 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.

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.

F3 · ownership.nature: The shares are held by Katrina M. Lake, Trustee of The Katrina M. Lake Revocable Trust dated May 23, 2016.

SEC source: 0001246360-18-001874 · form.xml · derivative · entry 5

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,168,364

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: 0001246360-18-001874 · form.xml · nonDerivative · entry 4

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: 0001246360-18-001874 · form.xml · nonDerivative · entry 3

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100

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 $33.02 to $33.97 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: 0001246360-18-001874 · form.xml · nonDerivative · entry 2

Smith Mike C. · CIK 0001723026 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,980

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 $32.01 to $33.00 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.