DRAPER TIMOTHY C

SEC source: 0000899243-17-019563 · doc4.xml · derivative · entry 18

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Partners IX, LLC

Disclosed balance after: 0

Underlying: Common Stock · 6,079 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: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F3 · derivative.exercise_date: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F3 · derivative.expiration_date: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F6 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Partners IX, LLC ("Partners IX"). Partners IX invests lockstep alongside Fund IX. Messrs. Draper, Fisher and Jurvetson are the Managing Members of Partners IX and each may be deemed to share voting and investment power over the securities held by Partners IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · derivative · entry 17

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Partners IX, LLC

Disclosed balance after: 0

Underlying: Common Stock · 165,553 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-219093) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-219093) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-219093) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F6 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Partners IX, LLC ("Partners IX"). Partners IX invests lockstep alongside Fund IX. Messrs. Draper, Fisher and Jurvetson are the Managing Members of Partners IX and each may be deemed to share voting and investment power over the securities held by Partners IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · derivative · entry 16

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Fund IX, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 197,993 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: Each share of the issuer's Series F Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F5 · derivative.exercise_date: Each share of the issuer's Series F Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F5 · derivative.expiration_date: Each share of the issuer's Series F Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Fund IX, L.P. ("Fund IX"). Draper Fisher Jurvetson Fund IX Partners, L.P. ("Fund IX Partners") is the general partner of Fund IX. Timothy Draper, John H.N. Fisher and Stephen T. Jurvetson are the Managing Directors of Fund IX Partners and each may be deemed to share voting and investment power over the securities held by Fund IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · derivative · entry 15

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Fund IX, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 214,025 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: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · derivative.exercise_date: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F4 · derivative.expiration_date: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Fund IX, L.P. ("Fund IX"). Draper Fisher Jurvetson Fund IX Partners, L.P. ("Fund IX Partners") is the general partner of Fund IX. Timothy Draper, John H.N. Fisher and Stephen T. Jurvetson are the Managing Directors of Fund IX Partners and each may be deemed to share voting and investment power over the securities held by Fund IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · derivative · entry 14

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Fund IX, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 224,354 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: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F3 · derivative.exercise_date: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F3 · derivative.expiration_date: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Fund IX, L.P. ("Fund IX"). Draper Fisher Jurvetson Fund IX Partners, L.P. ("Fund IX Partners") is the general partner of Fund IX. Timothy Draper, John H.N. Fisher and Stephen T. Jurvetson are the Managing Directors of Fund IX Partners and each may be deemed to share voting and investment power over the securities held by Fund IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · derivative · entry 13

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Fund IX, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 6,109,256 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-219093) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F1 · derivative.exercise_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-219093) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F1 · derivative.expiration_date: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-219093) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F2 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Fund IX, L.P. ("Fund IX"). Draper Fisher Jurvetson Fund IX Partners, L.P. ("Fund IX Partners") is the general partner of Fund IX. Timothy Draper, John H.N. Fisher and Stephen T. Jurvetson are the Managing Directors of Fund IX Partners and each may be deemed to share voting and investment power over the securities held by Fund IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 12

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Associates Riskmasters Fund III, LLC

Disclosed balance after: 7,977

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

F5 · price: Each share of the issuer's Series F Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F9 · ownership.nature: These securities are held of record by Draper Associates Riskmasters Fund III, LLC ("DARF III"). DARF III invests lockstep alongside Fund IX, instead and in place of DARF II beginning August 2013. Mr. Draper is the Managing Member of DARF III and may be deemed to have voting and investment power over the securities held by DARF III. Mr. Draper disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 11

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Associates Riskmasters Fund II, LLC

Disclosed balance after: 7,619

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

F4 · price: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F8 · ownership.nature: These securities are held of record by Draper Associates Riskmasters Fund II, LLC ("DARF II"). DARF II invests lockstep alongside Fund IX, instead and in place of DALP beginning June 2010. Mr. Draper is the Managing Member of DARF II and may be deemed to have voting and investment power over the securities held by DARF II. Mr. Draper disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 10

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Associates, L.P.

Disclosed balance after: 225,479

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 · price: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F7 · ownership.nature: These securities are held of record by Draper Associates, L.P. ("DALP"). DALP invests lockstep alongside Fund IX. The general partner of DALP is Draper Associates, Inc., which is controlled by its President and majority shareholder, Timothy C. Draper. Mr. Draper may be deemed to have voting and investment power over the securities held by DALP. Mr. Draper disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 9

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Associates, L.P

Disclosed balance after: 217,492

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

F1 · price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-219093) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F7 · ownership.nature: These securities are held of record by Draper Associates, L.P. ("DALP"). DALP invests lockstep alongside Fund IX. The general partner of DALP is Draper Associates, Inc., which is controlled by its President and majority shareholder, Timothy C. Draper. Mr. Draper may be deemed to have voting and investment power over the securities held by DALP. Mr. Draper disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 8

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Partners IX, LLC

Disclosed balance after: 183,503

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

F5 · price: Each share of the issuer's Series F Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F6 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Partners IX, LLC ("Partners IX"). Partners IX invests lockstep alongside Fund IX. Messrs. Draper, Fisher and Jurvetson are the Managing Members of Partners IX and each may be deemed to share voting and investment power over the securities held by Partners IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 7

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Partners IX, LLC

Disclosed balance after: 178,138

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

F4 · price: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F6 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Partners IX, LLC ("Partners IX"). Partners IX invests lockstep alongside Fund IX. Messrs. Draper, Fisher and Jurvetson are the Managing Members of Partners IX and each may be deemed to share voting and investment power over the securities held by Partners IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 6

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Partners IX, LLC

Disclosed balance after: 172,339

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 · price: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F6 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Partners IX, LLC ("Partners IX"). Partners IX invests lockstep alongside Fund IX. Messrs. Draper, Fisher and Jurvetson are the Managing Members of Partners IX and each may be deemed to share voting and investment power over the securities held by Partners IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 5

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Partners IX, LLC

Disclosed balance after: 166,260

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

F1 · price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-219093) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F6 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Partners IX, LLC ("Partners IX"). Partners IX invests lockstep alongside Fund IX. Messrs. Draper, Fisher and Jurvetson are the Managing Members of Partners IX and each may be deemed to share voting and investment power over the securities held by Partners IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 4

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Fund IX, L.P.

Disclosed balance after: 6,771,743

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

F5 · price: Each share of the issuer's Series F Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Fund IX, L.P. ("Fund IX"). Draper Fisher Jurvetson Fund IX Partners, L.P. ("Fund IX Partners") is the general partner of Fund IX. Timothy Draper, John H.N. Fisher and Stephen T. Jurvetson are the Managing Directors of Fund IX Partners and each may be deemed to share voting and investment power over the securities held by Fund IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 3

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Fund IX, L.P.

Disclosed balance after: 6,573,750

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

F4 · price: Each share of the issuer's Series E Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Fund IX, L.P. ("Fund IX"). Draper Fisher Jurvetson Fund IX Partners, L.P. ("Fund IX Partners") is the general partner of Fund IX. Timothy Draper, John H.N. Fisher and Stephen T. Jurvetson are the Managing Directors of Fund IX Partners and each may be deemed to share voting and investment power over the securities held by Fund IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 2

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Fund IX, L.P.

Disclosed balance after: 6,359,725

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 · price: Each share of the issuer's Series D Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its IPO pursuant to the Registration Statement, and had no expiration date.

F2 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Fund IX, L.P. ("Fund IX"). Draper Fisher Jurvetson Fund IX Partners, L.P. ("Fund IX Partners") is the general partner of Fund IX. Timothy Draper, John H.N. Fisher and Stephen T. Jurvetson are the Managing Directors of Fund IX Partners and each may be deemed to share voting and investment power over the securities held by Fund IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0000899243-17-019563 · doc4.xml · nonDerivative · entry 1

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Draper Fisher Jurvetson Fund IX, L.P.

Disclosed balance after: 6,135,371

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

F1 · price: Each share of the issuer's Series C Preferred Stock automatically converted into 1 share of the issuer's Common Stock on August 2, 2017 in connection with the closing of the issuer's sale of its Common Stock in its firm commitment initial public offering (the "IPO") pursuant to a registration statement on Form S-1 (File No. 333-219093) under the Securities Act of 1933, as amended (the "Registration Statement"), and had no expiration date.

F2 · ownership.nature: These securities are held of record by Draper Fisher Jurvetson Fund IX, L.P. ("Fund IX"). Draper Fisher Jurvetson Fund IX Partners, L.P. ("Fund IX Partners") is the general partner of Fund IX. Timothy Draper, John H.N. Fisher and Stephen T. Jurvetson are the Managing Directors of Fund IX Partners and each may be deemed to share voting and investment power over the securities held by Fund IX. Each of such individuals disclaims beneficial ownership over such 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.

SEC source: 0001209191-17-044914 · doc4.xml · derivative · entry 3

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 12,684,873

Underlying: Class A Common Stock · 320,000 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 · security: 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_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Associates, L.P. (DALP).

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.

F2 · ownership.nature: The General Partner of DALP is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII) and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F7 · ownership.nature: 1,170,740 of these shares are owned directly by DALP, 2,330,280 of these shares are owned directly by Fund IX, 7,452,141 of these shares are owned directly by Fund VIII, 63,146 of these shares are owned directly by Partners IX, 165,601 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-17-044914 · doc4.xml · nonDerivative · entry 2

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By DALP

Disclosed balance after: 0

F5 · price: This sale price represents the weighted average sale price of the shares sold ranging from $18.04 to $18.21 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F2 · ownership.nature: The General Partner of DALP is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII) and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-044914 · doc4.xml · nonDerivative · entry 1

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By DALP

Disclosed balance after: 320,000

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Associates, L.P. (DALP).

F1 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Associates, L.P. (DALP).

F2 · ownership.nature: The General Partner of DALP is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII) and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-031105 · doc4.xml · derivative · entry 16

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 13,004,873

Underlying: Class A Common Stock · 12,630 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.

F18 · security: 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.

F18 · 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.

F10 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F18 · 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.

F18 · 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: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F19 · ownership.nature: 1,490,740 of these shares are owned directly by DALP, 2,330,280 of these shares are owned directly by Fund IX, 7,452,141 of these shares are owned directly by Fund VIII, 63,146 of these shares are owned directly by Partners IX, 165,601 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-17-031105 · doc4.xml · derivative · entry 15

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 13,017,503

Underlying: Class A Common Stock · 466,056 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.

F18 · security: 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.

F18 · 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.

F8 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F18 · 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.

F18 · 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: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F19 · ownership.nature: 1,490,740 of these shares are owned directly by DALP, 2,330,280 of these shares are owned directly by Fund IX, 7,452,141 of these shares are owned directly by Fund VIII, 63,146 of these shares are owned directly by Partners IX, 165,601 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-17-031105 · doc4.xml · derivative · entry 14

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 13,483,559

Underlying: Class A Common Stock · 33,121 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.

F18 · security: 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.

F18 · 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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners VIII.

F18 · 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.

F18 · 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: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F19 · ownership.nature: 1,490,740 of these shares are owned directly by DALP, 2,330,280 of these shares are owned directly by Fund IX, 7,452,141 of these shares are owned directly by Fund VIII, 63,146 of these shares are owned directly by Partners IX, 165,601 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-17-031105 · doc4.xml · derivative · entry 13

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 13,516,680

Underlying: Class A Common Stock · 1,490,428 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.

F18 · security: 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.

F18 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII).

F18 · 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.

F18 · 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: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 12

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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

F17 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX Partners to its partners or members.

F17 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX Partners to its partners or members.

F16 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund IX Partners, L.P. (Fund IX Partners).

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 11

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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: 84,363

F15 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund IX.

F15 · price: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund IX.

F16 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund IX Partners, L.P. (Fund IX Partners).

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 10

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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

F14 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII Partners to its partners or members.

F14 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII Partners to its partners or members.

F13 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners).

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 9

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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: 370,562

F12 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund VIII.

F12 · price: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund VIII.

F13 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners).

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 8

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners IX

Disclosed balance after: 0

F11 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners IX to its partners or members.

F11 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners IX to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 7

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners IX

Disclosed balance after: 12,630

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.

F10 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F10 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 6

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund IX

Disclosed balance after: 0

F9 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX to its partners or members.

F9 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 5

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund IX

Disclosed balance after: 466,056

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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F8 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 4

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners VIII

Disclosed balance after: 0

F7 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners VIII to its partners or members.

F7 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners VIII to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 3

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners VIII

Disclosed balance after: 33,121

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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners VIII.

F6 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners VIII.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 2

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund VIII

Disclosed balance after: 0

F5 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII to its partners or members and includes the subsequent distribution by Draper Fisher Jurvetson Fund VIII Partners, L.P. to its respective partners or members.

F5 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII to its partners or members and includes the subsequent distribution by Draper Fisher Jurvetson Fund VIII Partners, L.P. to its respective partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-031105 · doc4.xml · nonDerivative · entry 1

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund VIII

Disclosed balance after: 1,490,428

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII).

F1 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII).

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-026247 · doc4.xml · derivative · entry 16

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 15,007,108

Underlying: Class A Common Stock · 12,630 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.

F18 · security: 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.

F18 · 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.

F10 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F18 · 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.

F18 · 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: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F19 · ownership.nature: 1,490,740 of these shares are owned directly by DALP, 2,746,336 of these shares are owned directly by Fund IX, 8,942,569 of these shares are owned directly by Fund VIII, 75,776 of these shares are owned directly by Partners IX, 198,722 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-17-026247 · doc4.xml · derivative · entry 15

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 15,019,738

Underlying: Class A Common Stock · 466,056 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.

F18 · security: 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.

F18 · 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.

F8 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F18 · 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.

F18 · 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: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F19 · ownership.nature: 1,490,740 of these shares are owned directly by DALP, 2,746,336 of these shares are owned directly by Fund IX, 8,942,569 of these shares are owned directly by Fund VIII, 75,776 of these shares are owned directly by Partners IX, 198,722 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-17-026247 · doc4.xml · derivative · entry 14

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 15,485,794

Underlying: Class A Common Stock · 33,121 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.

F18 · security: 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.

F18 · 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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners VIII.

F18 · 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.

F18 · 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: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F19 · ownership.nature: 1,490,740 of these shares are owned directly by DALP, 2,746,336 of these shares are owned directly by Fund IX, 8,942,569 of these shares are owned directly by Fund VIII, 75,776 of these shares are owned directly by Partners IX, 198,722 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-17-026247 · doc4.xml · derivative · entry 13

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 15,518,915

Underlying: Class A Common Stock · 1,490,428 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.

F18 · security: 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.

F18 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII).

F18 · 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.

F18 · 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: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-026247 · doc4.xml · nonDerivative · entry 12

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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

F17 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX Partners to its partners or members.

F17 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX Partners to its partners or members.

F16 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund IX Partners, L.P. (Fund IX Partners).

SEC source: 0001209191-17-026247 · doc4.xml · nonDerivative · entry 11

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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: 111,385

F15 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund IX.

F15 · price: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund IX.

F16 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund IX Partners, L.P. (Fund IX Partners).

SEC source: 0001209191-17-026247 · doc4.xml · nonDerivative · entry 10

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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

F14 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII Partners to its partners or members.

F14 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII Partners to its partners or members.

F13 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners).

SEC source: 0001209191-17-026247 · doc4.xml · nonDerivative · entry 9

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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: 369,597

F12 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund VIII.

F12 · price: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund VIII.

F13 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners).

SEC source: 0001209191-17-026247 · doc4.xml · nonDerivative · entry 8

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners IX

Disclosed balance after: 0

F11 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners IX to its partners or members.

F11 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners IX to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-026247 · doc4.xml · nonDerivative · entry 7

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners IX

Disclosed balance after: 12,630

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.

F10 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F10 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-026247 · doc4.xml · nonDerivative · entry 6

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund IX

Disclosed balance after: 0

F9 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX to its partners or members.

F9 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-026247 · doc4.xml · nonDerivative · entry 5

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund IX

Disclosed balance after: 466,056

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 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F8 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-026247 · doc4.xml · nonDerivative · entry 4

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners VIII

Disclosed balance after: 0

F7 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners VIII to its partners or members.

F7 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners VIII to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.