ROKU

SEC source: 0000899243-18-008954 · doc4.xml · nonDerivative · entry 5

Globespan Capital Partners V LP · CIK 0001368858 · 10% owner

Goldfarb Andrew P · CIK 0001404740 · 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: 3,519,019

F5 · price: The transaction was executed in multiple trades at prices ranging from $31.00 - $31.93.

F2 · ownership.nature: Held directly by Globespan Capital Partners V, L.P. ("GCP V").

SEC source: 0001716837-19-000051 · edgar.xml · derivative · entry 8

Rothrock Ray A. · CIK 0001500899 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 90,579 shares

Expires not disclosed

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

F4 · derivative.exercise_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. Shares of Class B Common Stock will convert automatically into shares of Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day", as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F4 · derivative.expiration_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. Shares of Class B Common Stock will convert automatically into shares of Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day", as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · ownership.nature: Mr. Rothrock is a Manager of FiftySix Investments, LLC and may be deemed to have voting and investment power over the shares held by FiftySix Investments, LLC. Mr. Rothrock disclaims beneficial ownership of such shares, except to the extent of his pecuiary interest therein.

SEC source: 0001716837-19-000051 · edgar.xml · derivative · entry 7

Rothrock Ray A. · CIK 0001500899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,889

Underlying: Class A Common Stock · 69,444 shares

Expires not disclosed

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

F4 · derivative.exercise_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. Shares of Class B Common Stock will convert automatically into shares of Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day", as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F4 · derivative.expiration_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. Shares of Class B Common Stock will convert automatically into shares of Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day", as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

SEC source: 0001716837-19-000051 · edgar.xml · nonDerivative · entry 2

Rothrock Ray A. · CIK 0001500899 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 90,579

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: Mr. Rothrock is a Manager of FiftySix Investments, LLC and may be deemed to have voting and investment power over the shares held by FiftySix Investments, LLC. Mr. Rothrock disclaims beneficial ownership of such shares, except to the extent of his pecuiary interest therein.

SEC source: 0001716837-19-000051 · edgar.xml · nonDerivative · entry 1

Rothrock Ray A. · CIK 0001500899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,444

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.

SEC source: 0000899243-18-008954 · doc4.xml · nonDerivative · entry 4

Globespan Capital Partners V LP · CIK 0001368858 · 10% owner

Goldfarb Andrew P · CIK 0001404740 · 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: 425,530

F4 · price: The transaction was executed in multiple trades at prices ranging from $34.00 - $34.58.

F3 · ownership.nature: Held directly by another fund affiliated with GCP V.

SEC source: 0000899243-18-008954 · doc4.xml · nonDerivative · entry 3

Globespan Capital Partners V LP · CIK 0001368858 · 10% owner

Goldfarb Andrew P · CIK 0001404740 · 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: 3,654,920

F4 · price: The transaction was executed in multiple trades at prices ranging from $34.00 - $34.58.

F2 · ownership.nature: Held directly by Globespan Capital Partners V, L.P. ("GCP V").

SEC source: 0000899243-18-008954 · doc4.xml · nonDerivative · entry 2

Globespan Capital Partners V LP · CIK 0001368858 · 10% owner

Goldfarb Andrew P · CIK 0001404740 · 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: 427,061

F1 · price: The transaction was executed in multiple trades at prices ranging from $33.00 to $33.995. The prices above in Column 4 reflect weighted average prices. Detailed information regarding the number of shares transacted at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.

F3 · ownership.nature: Held directly by another fund affiliated with GCP V.

SEC source: 0000899243-18-008954 · doc4.xml · nonDerivative · entry 1

Globespan Capital Partners V LP · CIK 0001368858 · 10% owner

Goldfarb Andrew P · CIK 0001404740 · 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: 3,668,070

F1 · price: The transaction was executed in multiple trades at prices ranging from $33.00 to $33.995. The prices above in Column 4 reflect weighted average prices. Detailed information regarding the number of shares transacted at each separate price will be provided upon request by the Commission staff, the Issuer or a security holder of the Issuer.

F2 · ownership.nature: Held directly by Globespan Capital Partners V, L.P. ("GCP V").

SEC source: 0001716837-18-000006 · edgar.xml · derivative · entry 5

Smith Chas · CIK 0001716838 · GM, Sr. VP Roku TV & Players

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 120,000 shares

Expires 2025-03-23

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 · kind: 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. Following the closing of the Issuer's sale of its Class A Common Stock in its initial public offering pursuant to a registration statement on Form S-1 under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (continued in footnote 4)

F4 · kind: (footnote 3 continued), (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F3 · 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. Following the closing of the Issuer's sale of its Class A Common Stock in its initial public offering pursuant to a registration statement on Form S-1 under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (continued in footnote 4)

F4 · derivative.exercise_date: (footnote 3 continued), (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

SEC source: 0001716837-18-000006 · edgar.xml · derivative · entry 4

Smith Chas · CIK 0001716838 · GM, Sr. VP Roku TV & Players

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,000

Underlying: Class A Common Stock · 120,000 shares

Expires 2025-03-23

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 · shares: 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. Following the closing of the Issuer's sale of its Class A Common Stock in its initial public offering pursuant to a registration statement on Form S-1 under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (continued in footnote 4)

F4 · shares: (footnote 3 continued), (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F3 · 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. Following the closing of the Issuer's sale of its Class A Common Stock in its initial public offering pursuant to a registration statement on Form S-1 under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (continued in footnote 4)

F4 · derivative.exercise_date: (footnote 3 continued), (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

SEC source: 0001716837-18-000006 · edgar.xml · derivative · entry 3

Smith Chas · CIK 0001716838 · GM, Sr. VP Roku TV & Players

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,000

Underlying: Class B Common Stock · 120,000 shares

Expires 2025-03-23

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 · shares: 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. Following the closing of the Issuer's sale of its Class A Common Stock in its initial public offering pursuant to a registration statement on Form S-1 under the Securities Act of 1933, as amended, the Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (continued in footnote 4)

F4 · shares: (footnote 3 continued), (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F5 · derivative.exercise_date: Granted March 23, 2015; 1/48 of the Option vests in equal monthly installments from 3/23/15.

SEC source: 0001716837-18-000006 · edgar.xml · nonDerivative · entry 2

Smith Chas · CIK 0001716838 · GM, Sr. VP Roku TV & Players

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · shares: Shares sold pursuant to Mr. Smith's 10b5-1 plan dated November 20, 2017.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.75 to $34.62 per share, 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.

SEC source: 0001716837-18-000006 · edgar.xml · nonDerivative · entry 1

Smith Chas · CIK 0001716838 · GM, Sr. VP Roku TV & Players

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,000

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 · shares: Shares sold pursuant to Mr. Smith's 10b5-1 plan dated November 20, 2017.

SEC source: 0000899243-18-008708 · doc4.xml · derivative · entry 5

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 23,388,668 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.

F7 · derivative.exercise_price: The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F7 · derivative.exercise_date: The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F7 · derivative.expiration_date: The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · ownership.nature: MV Management X, L.L.C. ("MVM-X") is the sole general partner of Menlo Ventures X, L.P. ("Menlo X"), MMEF X, L.P. ("MMEF X") and Menlo Entrepreneurs Fund X, L.P. ("MEF X" and, collectively with Menlo X and MMEF X, the "Menlo Funds"). MVM-X exercises voting and dispositive power over the shares held by each of the Menlo Funds. Each of the reporting persons disclaims beneficial ownership of the shares reported herein, except to the extent of its proportionate pecuniary interest therein.

F2 · ownership.nature: The shares of Class B Common Stock converted, and the shares of Class A Common Stock received on conversion, were held as follows: (i) 22,795,982 shares held by Menlo X, (ii) 398,925 shares held by MMEF X, and (iii) 193,761 shares held by MEF X.

SEC source: 0000899243-18-008708 · doc4.xml · nonDerivative · entry 4

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F6 · kind: Represents a pro-rata in-kind distribution of shares of Class A Common Stock by MVM-X, without consideration, to its members, pursuant to a distribution plan adopted in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934.

F6 · price: Represents a pro-rata in-kind distribution of shares of Class A Common Stock by MVM-X, without consideration, to its members, pursuant to a distribution plan adopted in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934.

SEC source: 0000899243-18-008708 · doc4.xml · nonDerivative · entry 3

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,063,771

F5 · kind: Represents the receipt of shares by MVM-X in the distributions described in greater detail in footnote (3).

F5 · price: Represents the receipt of shares by MVM-X in the distributions described in greater detail in footnote (3).

SEC source: 0000899243-18-008708 · doc4.xml · nonDerivative · entry 2

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

MMEF X LP · CIK 0001346569 · 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: 19,088,668

F3 · kind: Represents a pro rata in kind distribution of shares of Class A Common Stock, without consideration, by each of Menlo X, MMEF X and MEF X to their respective partners, including their general partner, MVM-X, pursuant to a distribution plan adopted in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934. The shares were distributed as follows: (i) 4,191,035 shares by Menlo X, (ii) 73,342 shares by MMEF X, and (iii) 35,623 shares by MEF X.

F3 · price: Represents a pro rata in kind distribution of shares of Class A Common Stock, without consideration, by each of Menlo X, MMEF X and MEF X to their respective partners, including their general partner, MVM-X, pursuant to a distribution plan adopted in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934. The shares were distributed as follows: (i) 4,191,035 shares by Menlo X, (ii) 73,342 shares by MMEF X, and (iii) 35,623 shares by MEF X.

F3 · balance_after: Represents a pro rata in kind distribution of shares of Class A Common Stock, without consideration, by each of Menlo X, MMEF X and MEF X to their respective partners, including their general partner, MVM-X, pursuant to a distribution plan adopted in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934. The shares were distributed as follows: (i) 4,191,035 shares by Menlo X, (ii) 73,342 shares by MMEF X, and (iii) 35,623 shares by MEF X.

F1 · ownership.nature: MV Management X, L.L.C. ("MVM-X") is the sole general partner of Menlo Ventures X, L.P. ("Menlo X"), MMEF X, L.P. ("MMEF X") and Menlo Entrepreneurs Fund X, L.P. ("MEF X" and, collectively with Menlo X and MMEF X, the "Menlo Funds"). MVM-X exercises voting and dispositive power over the shares held by each of the Menlo Funds. Each of the reporting persons disclaims beneficial ownership of the shares reported herein, except to the extent of its proportionate pecuniary interest therein.

F4 · ownership.nature: Following the distributions described in footnote (3), these shares are held as follows: (i) 18,604,947 shares by Menlo X, (ii) 325,583 shares by MMEF X, and (iii) 158,138 shares by MEF X.

SEC source: 0000899243-18-008708 · doc4.xml · nonDerivative · entry 1

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

MMEF X LP · CIK 0001346569 · 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: 23,388,668

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 · ownership.nature: MV Management X, L.L.C. ("MVM-X") is the sole general partner of Menlo Ventures X, L.P. ("Menlo X"), MMEF X, L.P. ("MMEF X") and Menlo Entrepreneurs Fund X, L.P. ("MEF X" and, collectively with Menlo X and MMEF X, the "Menlo Funds"). MVM-X exercises voting and dispositive power over the shares held by each of the Menlo Funds. Each of the reporting persons disclaims beneficial ownership of the shares reported herein, except to the extent of its proportionate pecuniary interest therein.

F2 · ownership.nature: The shares of Class B Common Stock converted, and the shares of Class A Common Stock received on conversion, were held as follows: (i) 22,795,982 shares held by Menlo X, (ii) 398,925 shares held by MMEF X, and (iii) 193,761 shares held by MEF X.

SEC source: 0000899243-18-008706 · doc4.xml · derivative · entry 6

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 23,388,668 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.

F9 · derivative.exercise_price: The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F9 · derivative.exercise_date: The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F9 · derivative.expiration_date: The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · ownership.nature: MV Management X, L.L.C. ("MVM-X") is the sole general partner of Menlo Ventures X, L.P. ("Menlo X"), MMEF X, L.P. ("MMEF X") and Menlo Entrepreneurs Fund X, L.P. ("MEF X" and, collectively with Menlo X and MMEF X, the "Menlo Funds"). MVM-X exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MVM-X, except to the extent of his proportionate pecuniary interest therein.

F2 · ownership.nature: The shares of Class B Common Stock converted, and the shares of Class A Common Stock received on conversion, were held as follows: (i) 22,795,982 shares held by Menlo X, (ii) 398,925 shares held by MMEF X, and (iii) 193,761 shares held by MEF X.

SEC source: 0000899243-18-008706 · doc4.xml · nonDerivative · entry 5

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Shawn T. Carolan and Jennifer M. Carolan, Trustees of the Carolan Family Trust Dated November 4,

Disclosed balance after: 58,232

F8 · kind: Represents a change in the form of ownership from one form of indirect ownership to another by virtue of the receipt of (i) 58,232 shares in the pro rata in kind distribution of Class A Common Stock of the Issuer by MVM-X described in footnote (7), and (ii) 214 shares in the pro rata in kind distribution of Class A Common Stock of the Issuer by MMEF X described in footnote (3). The shares are held by the Shawn T. Carolan and Jennifer M. Carolan, Trustees of the Carolan Family Trust Dated November 4, 2010 (the "Trust"). The Reporting Person is a trustee of the Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Trust except to the extent of his proportionate pecuniary interest therein.

F8 · price: Represents a change in the form of ownership from one form of indirect ownership to another by virtue of the receipt of (i) 58,232 shares in the pro rata in kind distribution of Class A Common Stock of the Issuer by MVM-X described in footnote (7), and (ii) 214 shares in the pro rata in kind distribution of Class A Common Stock of the Issuer by MMEF X described in footnote (3). The shares are held by the Shawn T. Carolan and Jennifer M. Carolan, Trustees of the Carolan Family Trust Dated November 4, 2010 (the "Trust"). The Reporting Person is a trustee of the Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Trust except to the extent of his proportionate pecuniary interest therein.

SEC source: 0000899243-18-008706 · doc4.xml · nonDerivative · entry 4

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F7 · kind: Represents a pro-rata in-kind distribution of shares of Class A Common Stock by MVM-X, without consideration, to its members, pursuant to a distribution plan adopted in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934.

F7 · price: Represents a pro-rata in-kind distribution of shares of Class A Common Stock by MVM-X, without consideration, to its members, pursuant to a distribution plan adopted in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934.

F1 · ownership.nature: MV Management X, L.L.C. ("MVM-X") is the sole general partner of Menlo Ventures X, L.P. ("Menlo X"), MMEF X, L.P. ("MMEF X") and Menlo Entrepreneurs Fund X, L.P. ("MEF X" and, collectively with Menlo X and MMEF X, the "Menlo Funds"). MVM-X exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MVM-X, except to the extent of his proportionate pecuniary interest therein.

F6 · ownership.nature: Shares are held by MVM-X.

SEC source: 0000899243-18-008706 · doc4.xml · nonDerivative · entry 3

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,063,771

F5 · kind: Represents the receipt of shares by MVM-X in the distributions described in greater detail in footnote (3).

F5 · price: Represents the receipt of shares by MVM-X in the distributions described in greater detail in footnote (3).

F1 · ownership.nature: MV Management X, L.L.C. ("MVM-X") is the sole general partner of Menlo Ventures X, L.P. ("Menlo X"), MMEF X, L.P. ("MMEF X") and Menlo Entrepreneurs Fund X, L.P. ("MEF X" and, collectively with Menlo X and MMEF X, the "Menlo Funds"). MVM-X exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MVM-X, except to the extent of his proportionate pecuniary interest therein.

F6 · ownership.nature: Shares are held by MVM-X.

SEC source: 0000899243-18-008706 · doc4.xml · nonDerivative · entry 2

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 19,088,668

F3 · kind: Represents a pro rata in kind distribution of shares of Class A Common Stock, without consideration, by each of Menlo X, MMEF X and MEF X to their respective partners, including their general partner, MVM-X, pursuant to a distribution plan adopted in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934. The shares were distributed as follows: (i) 4,191,035 shares by Menlo X, (ii) 73,342 shares by MMEF X, and (iii) 35,623 shares by MEF X.

F3 · price: Represents a pro rata in kind distribution of shares of Class A Common Stock, without consideration, by each of Menlo X, MMEF X and MEF X to their respective partners, including their general partner, MVM-X, pursuant to a distribution plan adopted in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934. The shares were distributed as follows: (i) 4,191,035 shares by Menlo X, (ii) 73,342 shares by MMEF X, and (iii) 35,623 shares by MEF X.

F3 · balance_after: Represents a pro rata in kind distribution of shares of Class A Common Stock, without consideration, by each of Menlo X, MMEF X and MEF X to their respective partners, including their general partner, MVM-X, pursuant to a distribution plan adopted in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934. The shares were distributed as follows: (i) 4,191,035 shares by Menlo X, (ii) 73,342 shares by MMEF X, and (iii) 35,623 shares by MEF X.

F1 · ownership.nature: MV Management X, L.L.C. ("MVM-X") is the sole general partner of Menlo Ventures X, L.P. ("Menlo X"), MMEF X, L.P. ("MMEF X") and Menlo Entrepreneurs Fund X, L.P. ("MEF X" and, collectively with Menlo X and MMEF X, the "Menlo Funds"). MVM-X exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MVM-X, except to the extent of his proportionate pecuniary interest therein.

F4 · ownership.nature: Following the distributions described in footnote (3), these shares are held as follows: (i) 18,604,947 shares by Menlo X, (ii) 325,583 shares by MMEF X, and (iii) 158,138 shares by MEF X.

SEC source: 0000899243-18-008706 · doc4.xml · nonDerivative · entry 1

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 23,388,668

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 · ownership.nature: MV Management X, L.L.C. ("MVM-X") is the sole general partner of Menlo Ventures X, L.P. ("Menlo X"), MMEF X, L.P. ("MMEF X") and Menlo Entrepreneurs Fund X, L.P. ("MEF X" and, collectively with Menlo X and MMEF X, the "Menlo Funds"). MVM-X exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MVM-X, except to the extent of his proportionate pecuniary interest therein.

F2 · ownership.nature: The shares of Class B Common Stock converted, and the shares of Class A Common Stock received on conversion, were held as follows: (i) 22,795,982 shares held by Menlo X, (ii) 398,925 shares held by MMEF X, and (iii) 193,761 shares held by MEF X.

SEC source: 0000899243-18-008524 · doc4.xml · derivative · entry 14

Globespan Capital Partners V LP · CIK 0001368858 · 10% owner

Goldfarb Andrew P · CIK 0001404740 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 545,054 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 at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert into one share of Class A Common Stock upon any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described the amended and restated certificate of incorporation of Roku, Inc. (the "Issuer"). All shares of Class B Common Stock will convert into Class A Common Stock on 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 or (b) the date specified by vote of the holders of 66 2/3% of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · derivative.exercise_price: (Continued from Footnote 1) Each share of Class B Common Stock is entitled to ten votes per share, whereas each share of Class A Common Stock is entitled to one vote per share. The rights of the holders of Class A Common Stock and Class B Common Stock are identical, except with respect to the aforementioned conversion rights and voting rights.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert into one share of Class A Common Stock upon any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described the amended and restated certificate of incorporation of Roku, Inc. (the "Issuer"). All shares of Class B Common Stock will convert into Class A Common Stock on 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 or (b) the date specified by vote of the holders of 66 2/3% of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · derivative.exercise_date: (Continued from Footnote 1) Each share of Class B Common Stock is entitled to ten votes per share, whereas each share of Class A Common Stock is entitled to one vote per share. The rights of the holders of Class A Common Stock and Class B Common Stock are identical, except with respect to the aforementioned conversion rights and voting rights.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert into one share of Class A Common Stock upon any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described the amended and restated certificate of incorporation of Roku, Inc. (the "Issuer"). All shares of Class B Common Stock will convert into Class A Common Stock on 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 or (b) the date specified by vote of the holders of 66 2/3% of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · derivative.expiration_date: (Continued from Footnote 1) Each share of Class B Common Stock is entitled to ten votes per share, whereas each share of Class A Common Stock is entitled to one vote per share. The rights of the holders of Class A Common Stock and Class B Common Stock are identical, except with respect to the aforementioned conversion rights and voting rights.

F4 · ownership.nature: Held directly by another fund affiliated with GCP V.

SEC source: 0000899243-18-008524 · doc4.xml · derivative · entry 13

Globespan Capital Partners V LP · CIK 0001368858 · 10% owner

Goldfarb Andrew P · CIK 0001404740 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 4,681,527 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 at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert into one share of Class A Common Stock upon any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described the amended and restated certificate of incorporation of Roku, Inc. (the "Issuer"). All shares of Class B Common Stock will convert into Class A Common Stock on 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 or (b) the date specified by vote of the holders of 66 2/3% of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · derivative.exercise_price: (Continued from Footnote 1) Each share of Class B Common Stock is entitled to ten votes per share, whereas each share of Class A Common Stock is entitled to one vote per share. The rights of the holders of Class A Common Stock and Class B Common Stock are identical, except with respect to the aforementioned conversion rights and voting rights.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert into one share of Class A Common Stock upon any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described the amended and restated certificate of incorporation of Roku, Inc. (the "Issuer"). All shares of Class B Common Stock will convert into Class A Common Stock on 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 or (b) the date specified by vote of the holders of 66 2/3% of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · derivative.exercise_date: (Continued from Footnote 1) Each share of Class B Common Stock is entitled to ten votes per share, whereas each share of Class A Common Stock is entitled to one vote per share. The rights of the holders of Class A Common Stock and Class B Common Stock are identical, except with respect to the aforementioned conversion rights and voting rights.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert into one share of Class A Common Stock upon any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described the amended and restated certificate of incorporation of Roku, Inc. (the "Issuer"). All shares of Class B Common Stock will convert into Class A Common Stock on 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 or (b) the date specified by vote of the holders of 66 2/3% of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · derivative.expiration_date: (Continued from Footnote 1) Each share of Class B Common Stock is entitled to ten votes per share, whereas each share of Class A Common Stock is entitled to one vote per share. The rights of the holders of Class A Common Stock and Class B Common Stock are identical, except with respect to the aforementioned conversion rights and voting rights.

F3 · ownership.nature: Held directly by Globespan Capital Partners V, L.P. ("GCP V").

SEC source: 0000899243-18-008524 · doc4.xml · nonDerivative · entry 2

Globespan Capital Partners V LP · CIK 0001368858 · 10% owner

Goldfarb Andrew P · CIK 0001404740 · 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: 545,054

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

F1 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert into one share of Class A Common Stock upon any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described the amended and restated certificate of incorporation of Roku, Inc. (the "Issuer"). All shares of Class B Common Stock will convert into Class A Common Stock on 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 or (b) the date specified by vote of the holders of 66 2/3% of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · price: (Continued from Footnote 1) Each share of Class B Common Stock is entitled to ten votes per share, whereas each share of Class A Common Stock is entitled to one vote per share. The rights of the holders of Class A Common Stock and Class B Common Stock are identical, except with respect to the aforementioned conversion rights and voting rights.

F4 · ownership.nature: Held directly by another fund affiliated with GCP V.

SEC source: 0000899243-18-008524 · doc4.xml · nonDerivative · entry 1

Globespan Capital Partners V LP · CIK 0001368858 · 10% owner

Goldfarb Andrew P · CIK 0001404740 · 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: 4,681,527

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

F1 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert into one share of Class A Common Stock upon any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described the amended and restated certificate of incorporation of Roku, Inc. (the "Issuer"). All shares of Class B Common Stock will convert into Class A Common Stock on 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 or (b) the date specified by vote of the holders of 66 2/3% of the outstanding shares of Class B Common Stock, voting as a single class.

F2 · price: (Continued from Footnote 1) Each share of Class B Common Stock is entitled to ten votes per share, whereas each share of Class A Common Stock is entitled to one vote per share. The rights of the holders of Class A Common Stock and Class B Common Stock are identical, except with respect to the aforementioned conversion rights and voting rights.

F3 · ownership.nature: Held directly by Globespan Capital Partners V, L.P. ("GCP V").

SEC source: 0001209191-17-066533 · doc4.xml · derivative · entry 2

Rothrock Ray A. · CIK 0001500899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,333

Underlying: Class A Common Stock · 83,333 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 at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's Amended and Restated Certificate of Incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F2 · 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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's Amended and Restated Certificate of Incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F3 · derivative.expiration_date: The Class B Common Stock has no expiration date.

F2 · 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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's Amended and Restated Certificate of Incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F4 · ownership.direct: No shares have been sold by the Reporting Person and the shares are subject to a Lock-Up Agreement for a period of 180 days following the date of the Final Prospectus relating to the Public Offering of Class A Common Stock of the Issuer pursuant to a Registration Statement filed by the Issuer with the Securities and Exchange Commission.

SEC source: 0001209191-17-066533 · doc4.xml · derivative · entry 1

Rothrock Ray A. · CIK 0001500899 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 83,333 shares

Expires 2024-08-03

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: 1/48 of the Option vests in equal monthly installments one month from 8/4/2014. The shares subject to this option have been early exercised, subject to the Issuer's right to repurchase with respect to the unvested portion.

SEC source: 0001209191-17-054764 · doc4.xml · derivative · entry 12

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 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: 23,388,668

Underlying: Class A Common Stock · 6,900,000 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 at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · 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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · derivative.expiration_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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

F14 · ownership.nature: These shares consist of (i) 22,795,982 shares held by Menlo Ventures X, L.P., (ii) 398,925 shares held by MMEF X, L.P., and (iii) 193,761 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054764 · doc4.xml · derivative · entry 11

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 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: 30,288,668

Underlying: Class A Common Stock · 30,224,580 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 at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · 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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · derivative.expiration_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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

F13 · ownership.nature: These shares consist of (i) 29,521,128 shares held by Menlo Ventures X, L.P., (ii) 516,615 shares held by MMEF X, L.P., and (iii) 250,925 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054764 · doc4.xml · derivative · entry 10

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 327,032 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

F12 · ownership.nature: These shares consist of (i) 318,745 shares held by Menlo Ventures X, L.P., (ii) 5,578 shares held by MMEF X, L.P., and (iii) 2,709 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054764 · doc4.xml · derivative · entry 9

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 897,745 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

F11 · ownership.nature: These shares consist of (i) 874,996 shares held by Menlo Ventures X, L.P., (ii) 15,312 shares held by MMEF X, L.P., and (iii) 7,437 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054764 · doc4.xml · derivative · entry 8

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,804,332 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

F10 · ownership.nature: These shares consist of (i) 1,758,610 shares held by Menlo Ventures X, L.P., (ii) 30,775 shares held by MMEF X, L.P., and (iii) 14,947 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054764 · doc4.xml · derivative · entry 7

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 829,220 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

F9 · ownership.nature: These shares consist of (i) 808,208 shares held by Menlo Ventures X, L.P., (ii) 14,143 shares held by MMEF X, L.P., and (iii) 6,869 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054764 · doc4.xml · derivative · entry 6

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 7,700,466 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

F8 · ownership.nature: These shares consist of (i) 7,505,328 shares held by Menlo Ventures X, L.P., (ii) 131,343 shares held by MMEF X, L.P., and (iii) 63,795 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054764 · doc4.xml · derivative · entry 5

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 9,240,558 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

F7 · ownership.nature: These shares consist of (i) 9,006,393 shares held by Menlo Ventures X, L.P., (ii) 157,611 shares held by MMEF X, L.P., and (iii) 76,554 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054764 · doc4.xml · derivative · entry 4

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 6,396,068 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

F6 · ownership.nature: These shares consist of (i) 6,233,986 shares held by Menlo Ventures X, L.P., (ii) 109,094 shares held by MMEF X, L.P., and (iii) 52,988 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054764 · doc4.xml · derivative · entry 3

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 3,029,159 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

F5 · ownership.nature: These shares consist of (i) 2,952,398 shares held by Menlo Ventures X, L.P., (ii) 51,666 shares held by MMEF X, L.P., and (iii) 25,095 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054764 · doc4.xml · nonDerivative · entry 2

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 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

F2 · ownership.nature: These shares consist of (i) 6,725,146 shares held by Menlo Ventures X, L.P., (ii) 117,690 shares held by MMEF X, L.P., and (iii) 57,164 shares held by Entrepreneurs Fund X, L.P.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

SEC source: 0001209191-17-054764 · doc4.xml · nonDerivative · entry 1

MV Management X, L.L.C. · CIK 0001491768 · 10% owner

Menlo Ventures X L P · CIK 0001325065 · 10% owner

MMEF X LP · CIK 0001346569 · 10% owner

MENLO ENTREPRENEURS FUND X LP · CIK 0001346306 · 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: 6,900,000

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 · 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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F2 · ownership.nature: These shares consist of (i) 6,725,146 shares held by Menlo Ventures X, L.P., (ii) 117,690 shares held by MMEF X, L.P., and (iii) 57,164 shares held by Entrepreneurs Fund X, L.P.

F3 · ownership.nature: MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are Henry D. Montgomery, John W. Javre, Douglas C. Carlisle, Mark A. Siegel, and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, except to the extent of his or her proportionate pecuniary interest therein and this report shall not be deemed an admission that the reporting person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose. Shawn T. Carolan is a director of the Issuer.

SEC source: 0001209191-17-054761 · doc4.xml · derivative · entry 12

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 23,388,668

Underlying: Class A Common Stock · 6,900,000 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 at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · 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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · derivative.expiration_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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F2 · ownership.nature: Mr. Carolan does not own shares in his individual capacity. MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"). Mr. Carolan is a managing member of MV Management X, L.L.C. and may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Mr. Carolan disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

F14 · ownership.nature: These shares consist of (i) 22,795,982 shares held by Menlo Ventures X, L.P., (ii) 398,925 shares held by MMEF X, L.P., and (iii) 193,761 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054761 · doc4.xml · derivative · entry 11

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 30,288,668

Underlying: Class A Common Stock · 30,224,580 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 at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · 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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F1 · derivative.expiration_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. The Class B Common Stock will convert automatically into Class A Common Stock upon the earlier of: (i) any transfer except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, (ii) the first "Trading Day," as defined in the Issuer's restated certificate of incorporation, falling on or after the date on which the shares of Class B Common Stock represent less than 10% of the aggregate number of outstanding shares of Class A Common Stock and Class B Common Stock or (iii) the vote of the holders of Class B Common Stock representing at least 66-2/3% of the shares of Class B Common Stock.

F2 · ownership.nature: Mr. Carolan does not own shares in his individual capacity. MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"). Mr. Carolan is a managing member of MV Management X, L.L.C. and may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Mr. Carolan disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

F13 · ownership.nature: These shares consist of (i) 29,521,128 shares held by Menlo Ventures X, L.P., (ii) 516,615 shares held by MMEF X, L.P., and (iii) 250,925 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054761 · doc4.xml · derivative · entry 10

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 327,032 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F2 · ownership.nature: Mr. Carolan does not own shares in his individual capacity. MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"). Mr. Carolan is a managing member of MV Management X, L.L.C. and may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Mr. Carolan disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

F12 · ownership.nature: These shares consist of (i) 318,745 shares held by Menlo Ventures X, L.P., (ii) 5,578 shares held by MMEF X, L.P., and (iii) 2,709 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054761 · doc4.xml · derivative · entry 9

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 897,745 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F2 · ownership.nature: Mr. Carolan does not own shares in his individual capacity. MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"). Mr. Carolan is a managing member of MV Management X, L.L.C. and may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Mr. Carolan disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

F11 · ownership.nature: These shares consist of (i) 874,996 shares held by Menlo Ventures X, L.P., (ii) 15,312 shares held by MMEF X, L.P., and (iii) 7,437 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054761 · doc4.xml · derivative · entry 8

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,804,332 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F2 · ownership.nature: Mr. Carolan does not own shares in his individual capacity. MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"). Mr. Carolan is a managing member of MV Management X, L.L.C. and may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Mr. Carolan disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

F10 · ownership.nature: These shares consist of (i) 1,758,610 shares held by Menlo Ventures X, L.P., (ii) 30,775 shares held by MMEF X, L.P., and (iii) 14,947 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054761 · doc4.xml · derivative · entry 7

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 829,220 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F2 · ownership.nature: Mr. Carolan does not own shares in his individual capacity. MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"). Mr. Carolan is a managing member of MV Management X, L.L.C. and may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Mr. Carolan disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

F9 · ownership.nature: These shares consist of (i) 808,208 shares held by Menlo Ventures X, L.P., (ii) 14,143 shares held by MMEF X, L.P., and (iii) 6,869 shares held by Entrepreneurs Fund X, L.P.

SEC source: 0001209191-17-054761 · doc4.xml · derivative · entry 6

CAROLAN SHAWN T · CIK 0001376066 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 7,700,466 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.exercise_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F4 · derivative.expiration_date: The preferred stock automatically converted into Class B common stock on a 1-to-1 basis immediately upon closing of the initial public offering of the Issuer and has no expiration date.

F2 · ownership.nature: Mr. Carolan does not own shares in his individual capacity. MV Management X, L.L.C. is the general partner of Menlo Ventures X, L.P., MMEF X, L.P., and Menlo Entrepreneurs Fund X, L.P. (collectively, the "Menlo Funds"). Mr. Carolan is a managing member of MV Management X, L.L.C. and may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Mr. Carolan disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

F8 · ownership.nature: These shares consist of (i) 7,505,328 shares held by Menlo Ventures X, L.P., (ii) 131,343 shares held by MMEF X, L.P., and (iii) 63,795 shares held by Entrepreneurs Fund X, L.P.