OKTA

SEC source: 0000899243-17-023744 · doc4.xml · nonDerivative · entry 3

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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

F4 · kind: On October 4, 2017, 1,644,842 shares of Class A Common Stock held by KV IV were distributed to the limited partners and general partners of KV IV.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-023744 · doc4.xml · nonDerivative · entry 2

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: 105,158

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

F1 · kind: Pursuant to a conversion exempt under Rule 16b-6(b), shares of Class B Common Stock were automatically converted into shares of Class A Common Stock on a one-for-one basis.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-023744 · doc4.xml · nonDerivative · entry 1

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,644,842

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

F1 · kind: Pursuant to a conversion exempt under Rule 16b-6(b), shares of Class B Common Stock were automatically converted into shares of Class A Common Stock on a one-for-one basis.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-056289 · doc4.xml · derivative · entry 11

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 300,000 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.

F6 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001209191-17-056289 · doc4.xml · derivative · entry 10

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Class A Common Stock · 5,106 shares

Expires not disclosed

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

F6 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001209191-17-056289 · doc4.xml · derivative · entry 9

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,894

Underlying: Class B Common Stock · 5,106 shares

Expires 2026-02-24

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

F8 · derivative.exercise_date: The shares subject to the option shall vest in 48 equal monthly installments beginning on February 1, 2016, subject to the Reporting Person's continued employment with the Issuer through each vesting date. The option is early exercisable by the Reporting Person.

SEC source: 0001209191-17-056289 · doc4.xml · derivative · entry 8

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 294,894

Underlying: Class A Common Stock · 27,083 shares

Expires not disclosed

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

F6 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001209191-17-056289 · doc4.xml · derivative · entry 7

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,917

Underlying: Class B Common Stock · 27,083 shares

Expires 2025-08-27

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_date: The shares subject to the option shall vest in 48 equal monthly installments beginning on August 1, 2015, subject to the Reporting Person's continued employment with the Issuer through each vesting date. The option is early exercisable by the Reporting Person.

SEC source: 0001209191-17-056289 · doc4.xml · derivative · entry 6

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 267,811

Underlying: Class A Common Stock · 267,811 shares

Expires not disclosed

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

F6 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001209191-17-056289 · doc4.xml · derivative · entry 5

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 182,189

Underlying: Class B Common Stock · 267,811 shares

Expires 2025-01-21

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

F5 · derivative.exercise_date: 25% of the shares subject to the option vested on January 20, 2016 and the remaining shares subject to the option shall vest in 36 equal monthly installments thereafter, subject to the Reporting Person's continued employment with the Issuer through each vesting date. The option is early exercisable by the Reporting Person.

SEC source: 0001209191-17-056289 · doc4.xml · nonDerivative · entry 4

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.25 to $27.32 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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: 0001209191-17-056289 · doc4.xml · nonDerivative · entry 3

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,106

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.09 to $27.25 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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: 0001209191-17-056289 · doc4.xml · nonDerivative · entry 2

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,189

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.20 to $27.09 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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: 0001209191-17-056289 · doc4.xml · nonDerivative · entry 1

Runyan Jonathan T · CIK 0001700628 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,000

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.

SEC source: 0000899243-17-028581 · doc4.xml · nonDerivative · entry 1

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,279

F1 · kind: The reported securities were distributed to JP Morgan Trust Company, NA and Marc Andreessen as trustees of the Andreessen 1996 Living Trust in connection with a pro rata, in-kind distribution, and not a purchase or sale, of the shares by Greylock XIII-A Limited Partnership to its general and limited partners without consideration. Each of the Reporting Persons disclaims the existence of a "group" and, other than Marc Andreessen, disclaims beneficial ownership of these securities, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

F1 · ownership.nature: The reported securities were distributed to JP Morgan Trust Company, NA and Marc Andreessen as trustees of the Andreessen 1996 Living Trust in connection with a pro rata, in-kind distribution, and not a purchase or sale, of the shares by Greylock XIII-A Limited Partnership to its general and limited partners without consideration. Each of the Reporting Persons disclaims the existence of a "group" and, other than Marc Andreessen, disclaims beneficial ownership of these securities, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-023528 · doc4.xml · derivative · entry 6

Greylock XIII GP LLC · CIK 0001541539 · 10% owner

Greylock XIII Limited Partnership · CIK 0001474746 · 10% owner

Greylock XIII-A Limited Partnership · CIK 0001474747 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Greylock XIII-A Limited Partnership

Disclosed balance after: 822,502

Underlying: Class A Common Stock · 280,840 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 without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · shares: Represents 280,840 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII-A Limited Partnership ("Greylock XIII-A LP").

F2 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · derivative.underlying_shares: Represents 280,840 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII-A Limited Partnership ("Greylock XIII-A LP").

F5 · ownership.nature: The shares are held directly by Greylock XIII-A LP. Greylock XIII GP is the sole General Partner of Greylock XIII-A LP and may be deemed to share voting and dispositive power with respect to the shares held by Greylock XIII-A LP. Greylock XIII GP disclaims beneficial ownership of the securities held by Greylock XIII LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIII GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-023528 · doc4.xml · derivative · entry 5

Greylock XIII GP LLC · CIK 0001541539 · 10% owner

Greylock XIII Limited Partnership · CIK 0001474746 · 10% owner

Greylock XIII-A Limited Partnership · CIK 0001474747 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Greylock XIII Limited Partnership

Disclosed balance after: 9,135,899

Underlying: Class A Common Stock · 3,119,410 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 without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · shares: Represents 3,119,410 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII Limited Partnership ("Greylock XIII LP").

F2 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.underlying_shares: Represents 3,119,410 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII Limited Partnership ("Greylock XIII LP").

F3 · ownership.nature: The shares are held directly by Greylock XIII LP. Greylock XIII GP Limited Liability Company ("Greylock XIII GP") is the sole General Partner of Greylock XIII LP and may be deemed to share voting and dispositive power with respect to the shares held by Greylock XIII LP. Greylock XIII GP disclaims beneficial ownership of the securities held by Greylock XIII LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIII GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-023528 · doc4.xml · nonDerivative · entry 2

Greylock XIII GP LLC · CIK 0001541539 · 10% owner

Greylock XIII Limited Partnership · CIK 0001474746 · 10% owner

Greylock XIII-A Limited Partnership · CIK 0001474747 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Greylock XIII-A Limited Partnership

Disclosed balance after: 280,840

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 · shares: Represents 280,840 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII-A Limited Partnership ("Greylock XIII-A LP").

F2 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · balance_after: Represents 280,840 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII-A Limited Partnership ("Greylock XIII-A LP").

F5 · ownership.nature: The shares are held directly by Greylock XIII-A LP. Greylock XIII GP is the sole General Partner of Greylock XIII-A LP and may be deemed to share voting and dispositive power with respect to the shares held by Greylock XIII-A LP. Greylock XIII GP disclaims beneficial ownership of the securities held by Greylock XIII LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIII GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-023528 · doc4.xml · nonDerivative · entry 1

Greylock XIII GP LLC · CIK 0001541539 · 10% owner

Greylock XIII Limited Partnership · CIK 0001474746 · 10% owner

Greylock XIII-A Limited Partnership · CIK 0001474747 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Greylock XIII Limited Partnership

Disclosed balance after: 3,119,410

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: Represents 3,119,410 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII Limited Partnership ("Greylock XIII LP").

F2 · price: Each share of Class B Common Stock is convertible without payment or consideration into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · balance_after: Represents 3,119,410 shares converted from Class B Common Stock to Class A Common Stock by Greylock XIII Limited Partnership ("Greylock XIII LP").

F3 · ownership.nature: The shares are held directly by Greylock XIII LP. Greylock XIII GP Limited Liability Company ("Greylock XIII GP") is the sole General Partner of Greylock XIII LP and may be deemed to share voting and dispositive power with respect to the shares held by Greylock XIII LP. Greylock XIII GP disclaims beneficial ownership of the securities held by Greylock XIII LP except to the extent of any pecuniary interest therein and the inclusion of these securities in this report shall not be deemed an admission by Greylock XIII GP of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · derivative · entry 12

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P.

Disclosed balance after: 3,307,700

Underlying: Class A Common Stock · 3,307,700 shares

Expires not disclosed

F11 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F11 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F11 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and dispositive power with regard to the securities held by the AH Parallel Fund IV Entities. The managing members of AH EP IV Parallel are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Parallel Fund IV Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · derivative · entry 11

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 12,685,586

Underlying: Class A Common Stock · 12,685,586 shares

Expires not disclosed

F11 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F11 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F11 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F8 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and dispositive power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · derivative · entry 10

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,862,747 shares

Expires not disclosed

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

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

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

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

F9 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and dispositive power with regard to the securities held by the AH Parallel Fund IV Entities. The managing members of AH EP IV Parallel are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Parallel Fund IV Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · derivative · entry 9

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,444,953 shares

Expires not disclosed

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

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

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

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

F9 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and dispositive power with regard to the securities held by the AH Parallel Fund IV Entities. The managing members of AH EP IV Parallel are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Parallel Fund IV Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · derivative · entry 8

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,439,592 shares

Expires not disclosed

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

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

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

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

F8 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and dispositive power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · derivative · entry 7

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,551,393 shares

Expires not disclosed

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

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

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

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

F8 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and dispositive power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · derivative · entry 6

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 3,308,719 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.

F3 · derivative.exercise_price: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.exercise_date: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · derivative.expiration_date: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F8 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and dispositive power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · derivative · entry 5

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 6,385,882 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: The Series A Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · derivative.exercise_date: The Series A Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2 · derivative.expiration_date: The Series A Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F8 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and dispositive power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · nonDerivative · entry 4

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P.

Disclosed balance after: 0

F1 · security: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F11 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and dispositive power with regard to the securities held by the AH Parallel Fund IV Entities. The managing members of AH EP IV Parallel are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Parallel Fund IV Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · nonDerivative · entry 3

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 0

F1 · security: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F11 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F8 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and dispositive power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · nonDerivative · entry 2

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV, L.P.

Disclosed balance after: 3,307,700

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 · security: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

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

F7 · balance_after: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F9 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and dispositive power with regard to the securities held by the AH Parallel Fund IV Entities. The managing members of AH EP IV Parallel are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Parallel Fund IV Entities.

F10 · ownership.nature: (Continued from Footnote 9) Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010138 · doc4.xml · nonDerivative · entry 1

Andreessen Horowitz Fund I, L.P. · CIK 0001466249 · 10% owner

AH Equity Partners I, L.L.C. · CIK 0001466219 · 10% owner

AH Parallel Fund IV, L.P. · CIK 0001603197 · 10% owner

AH Equity Partners IV (Parallel), L.L.C. · CIK 0001603419 · 10% owner

Andreessen Marc L · CIK 0001160077 · 10% owner

Andreessen Horowitz Fund I-A, L.P. · CIK 0001466268 · 10% owner

Andreessen Horowitz Fund I-B, L.P. · CIK 0001466267 · 10% owner

AH Parallel Fund IV-A, L.P. · CIK 0001604859 · 10% owner

AH Parallel Fund IV-B, L.P. · CIK 0001604860 · 10% owner

AH Parallel Fund IV-Q, L.P. · CIK 0001604861 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Andreessen Horowitz Fund I, L.P.

Disclosed balance after: 12,685,586

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 · security: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · balance_after: The Series A Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F3 · balance_after: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F4 · balance_after: The Series C Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F5 · balance_after: The Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F8 · ownership.nature: The reported securities are held by Andreessen Horowitz Fund I, L.P., for itself and as nominee for Andreessen Horowitz Fund I-A, L.P. and Andreessen Horowitz Fund I-B, L.P. (collectively, the "AH Fund I Entities"). AH Equity Partners I, L.L.C. ("AH EP I") is the general partner of the AH Fund I Entities and has sole voting and dispositive power with regard to the securities held by the AH I Fund Entities. The managing members of AH EP I are Marc Andreessen and the Ben Horowitz. Marc Andreessen and the Ben Horowitz share voting and dispositive power with respect to the shares held by the AH Fund I Entities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-17-010123 · doc4.xml · derivative · entry 2

KOUREY MICHAEL R · CIK 0001079576 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Class B Common Stock · 300,000 shares

Expires 2025-12-16

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments commencing on October 12, 2015, subject to the Reporting Person's continued service with the Issuer through each vesting date. The option is early exercisable by the Reporting Person.

F3 · derivative.underlying: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0000899243-17-010123 · doc4.xml · derivative · entry 1

KOUREY MICHAEL R · CIK 0001079576 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 300,000 shares

Expires 2025-12-16

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments commencing on October 12, 2015, subject to the Reporting Person's continued service with the Issuer through each vesting date. The option is early exercisable by the Reporting Person.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 16

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: 396,235

Underlying: Class A Common Stock · 396,235 shares

Expires not disclosed

F1 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 15

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: 6,197,759

Underlying: Class A Common Stock · 6,197,759 shares

Expires not disclosed

F1 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 14

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: Common Stock · 2,501 shares

Expires not disclosed

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

F8 · derivative.exercise_price: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F8 · derivative.exercise_date: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F8 · derivative.expiration_date: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 13

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: Common Stock · 39,113 shares

Expires not disclosed

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

F8 · derivative.exercise_price: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F8 · derivative.exercise_date: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F8 · derivative.expiration_date: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 12

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: Common Stock · 35,310 shares

Expires not disclosed

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

F7 · derivative.exercise_price: The Series E Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F7 · derivative.exercise_date: The Series E Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F7 · derivative.expiration_date: The Series E Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 11

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: Common Stock · 552,313 shares

Expires not disclosed

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

F7 · derivative.exercise_price: The Series E Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F7 · derivative.exercise_date: The Series E Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F7 · derivative.expiration_date: The Series E Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 10

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: Common Stock · 40,675 shares

Expires not disclosed

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

F6 · derivative.exercise_price: The Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F6 · derivative.exercise_date: The Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F6 · derivative.expiration_date: The Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 9

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: Common Stock · 636,220 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.

F6 · derivative.exercise_price: The Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F6 · derivative.exercise_date: The Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F6 · derivative.expiration_date: The Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 8

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: Common Stock · 49,294 shares

Expires not disclosed

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

F5 · derivative.exercise_price: The Series C Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F5 · derivative.exercise_date: The Series C Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F5 · derivative.expiration_date: The Series C Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 7

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: Common Stock · 771,039 shares

Expires not disclosed

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

F5 · derivative.exercise_price: The Series C Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F5 · derivative.exercise_date: The Series C Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F5 · derivative.expiration_date: The Series C Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 6

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: Common Stock · 268,455 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F4 · derivative.exercise_date: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F4 · derivative.expiration_date: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · derivative · entry 5

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: Common Stock · 4,199,074 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F4 · derivative.exercise_date: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F4 · derivative.expiration_date: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · nonDerivative · entry 4

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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

F1 · security: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F1 · price: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · nonDerivative · entry 3

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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

F1 · security: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F1 · price: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · nonDerivative · entry 2

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: 396,235

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 · security: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F4 · price: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F5 · price: The Series C Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F6 · price: The Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F7 · price: The Series E Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F8 · price: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F3 · ownership.nature: Consists of securities held of record by Khosla Ventures IV (CF), L.P. ("KV IV (CF)"), of which KVA IV is the general partner. Vinod Khosla is the managing member of VK Services, which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV (CF), and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV (CF). Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010087 · doc4.xml · nonDerivative · entry 1

Khosla Ventures IV, L.P. · CIK 0001521016 · 10% owner

Khosla Ventures IV (CF), L.P. · CIK 0001685550 · 10% owner

Khosla Ventures Associates IV, LLC · CIK 0001685549 · 10% owner

VK Services, LLC · CIK 0001501927 · 10% owner

KHOSLA VINOD · CIK 0001032453 · 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: 6,197,759

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 · security: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F4 · price: The Series B Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F5 · price: The Series C Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F6 · price: The Series D Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F7 · price: The Series E Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F8 · price: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis and has no expiration date.

F2 · ownership.nature: Consists of securities held of record by Khosla Ventures IV, L.P. ("KV IV"), of which Khosla Ventures Associates IV, LLC ("KVA IV") is the general partner. Vinod Khosla is the managing member of VK Services, LLC ("VK Services"), which is the manager of KVA IV. Each of KVA IV, VK Services and Vinod Khosla may be deemed to possess voting and investment control over such securities held by KV IV, and each of KVA IV, VK Services and Vinod Khosla may be deemed to have indirect beneficial ownership of such securities held by KV IV. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0000899243-17-010136 · doc4.xml · derivative · entry 12

HOROWITZ BENJAMIN A · CIK 0001166586 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By AH Parallel Fund IV L.P.

Disclosed balance after: 3,307,700

Underlying: Class A Common Stock · 3,307,700 shares

Expires not disclosed

F11 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock will be reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F11 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F11 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.nature: The reported securities are held by AH Parallel Fund IV, L.P., for itself and as nominee for AH Parallel Fund IV-A, L.P., AH Parallel Fund IV-B, L.P., and AH Parallel Fund IV-Q, L.P. (collectively, the "AH Parallel Fund IV Entities"). AH Equity Partners IV (Parallel), L.L.C. ("AH EP IV Parallel") is the general partner of the AH Parallel Fund IV Entities and has sole voting and dispositive power with regard to the securities held by the AH Parallel Fund IV Entities. The managing members of AH EP IV Parallel are Marc Andreessen and the Reporting Person. The Reporting Person shares voting and dispositive power with respect to the shares held by the AH Parallel Fund IV Entities.

F10 · ownership.nature: (continued from footnote 9) The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.