SWARTZ JAMES R

SEC source: 0001209191-18-021820 · doc4.xml · nonDerivative · entry 3

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 240,139

F1 · kind: The Reporting Persons sold shares to the underwriters in connection with the closing of the Issuer's follow-on public offering. The reported sale price reflects the price at which the Reporting Person sold shares to the underwriters, which is net of underwriting commissions.

F4 · ownership.nature: The shares are held of record by Accel Investors 2000 L.L.C. ("Investors 2000"). Messrs. Patterson and Swartz are the managing members of Investors 2000 and share voting and dispositive power over the shares held by Investors 2000. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-18-021820 · doc4.xml · nonDerivative · entry 2

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 544,726

F1 · kind: The Reporting Persons sold shares to the underwriters in connection with the closing of the Issuer's follow-on public offering. The reported sale price reflects the price at which the Reporting Person sold shares to the underwriters, which is net of underwriting commissions.

F3 · ownership.nature: The shares are held of record by Accel Internet Fund IV L.P. ("Fund IV"). Messrs. Patterson and Swartz are the managing members of Accel Associates, the general partner of Fund IV, and share voting and dispositive power over the shares held by Fund IV. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-18-021820 · doc4.xml · nonDerivative · entry 1

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,773,380

F1 · kind: The Reporting Persons sold shares to the underwriters in connection with the closing of the Issuer's follow-on public offering. The reported sale price reflects the price at which the Reporting Person sold shares to the underwriters, which is net of underwriting commissions.

F2 · ownership.nature: The shares are held of record by Accel VIII L.P. ("Accel VIII"). Arthur C. Patterson and James R. Swartz are the managing members of Accel VIII Associates LLC ("Accel Associates"), the general partner of Accel VIII, and share voting and dispositive power over the shares held by Accel VIII. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 22

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 21,890 shares

Expires not disclosed

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

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

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

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

F9 · ownership.nature: The shares are held of record by Accel Investors 2000 L.L.C. ("Investors 2000"). Messrs. Patterson and Swartz are the managing members of Investors 2000 and share voting and dispositive power over the shares held by Investors 2000. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 21

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 49,650 shares

Expires not disclosed

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

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

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

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

F8 · ownership.nature: The shares are held of record by Accel Internet Fund IV L.P. ("Fund IV"). Messrs. Patterson and Swartz are the managing members of Accel Associates, the general partner of Fund IV, and share voting and dispositive power over the shares held by Fund IV. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 20

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 252,756 shares

Expires not disclosed

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

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

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

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

F7 · ownership.nature: The shares are held of record by Accel VIII L.P. ("Accel VIII"). Arthur C. Patterson and James R. Swartz are the managing members of Accel VIII Associates LLC ("Accel Associates"), the general partner of Accel VIII, and share voting and dispositive power over the shares held by Accel VIII. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 19

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 67,336 shares

Expires not disclosed

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

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

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

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

F9 · ownership.nature: The shares are held of record by Accel Investors 2000 L.L.C. ("Investors 2000"). Messrs. Patterson and Swartz are the managing members of Investors 2000 and share voting and dispositive power over the shares held by Investors 2000. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 18

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 152,742 shares

Expires not disclosed

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

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

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

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

F8 · ownership.nature: The shares are held of record by Accel Internet Fund IV L.P. ("Fund IV"). Messrs. Patterson and Swartz are the managing members of Accel Associates, the general partner of Fund IV, and share voting and dispositive power over the shares held by Fund IV. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 17

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 777,612 shares

Expires not disclosed

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

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

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

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

F7 · ownership.nature: The shares are held of record by Accel VIII L.P. ("Accel VIII"). Arthur C. Patterson and James R. Swartz are the managing members of Accel VIII Associates LLC ("Accel Associates"), the general partner of Accel VIII, and share voting and dispositive power over the shares held by Accel VIII. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 16

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 15,875 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F4 · derivative.exercise_date: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F4 · derivative.expiration_date: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F9 · ownership.nature: The shares are held of record by Accel Investors 2000 L.L.C. ("Investors 2000"). Messrs. Patterson and Swartz are the managing members of Investors 2000 and share voting and dispositive power over the shares held by Investors 2000. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 15

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 36,007 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F4 · derivative.exercise_date: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F4 · derivative.expiration_date: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F8 · ownership.nature: The shares are held of record by Accel Internet Fund IV L.P. ("Fund IV"). Messrs. Patterson and Swartz are the managing members of Accel Associates, the general partner of Fund IV, and share voting and dispositive power over the shares held by Fund IV. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 14

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 183,308 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F4 · derivative.exercise_date: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F4 · derivative.expiration_date: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F7 · ownership.nature: The shares are held of record by Accel VIII L.P. ("Accel VIII"). Arthur C. Patterson and James R. Swartz are the managing members of Accel VIII Associates LLC ("Accel Associates"), the general partner of Accel VIII, and share voting and dispositive power over the shares held by Accel VIII. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 13

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 82,597 shares

Expires not disclosed

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

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

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

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

F9 · ownership.nature: The shares are held of record by Accel Investors 2000 L.L.C. ("Investors 2000"). Messrs. Patterson and Swartz are the managing members of Investors 2000 and share voting and dispositive power over the shares held by Investors 2000. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 12

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 187,346 shares

Expires not disclosed

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

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

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

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

F8 · ownership.nature: The shares are held of record by Accel Internet Fund IV L.P. ("Fund IV"). Messrs. Patterson and Swartz are the managing members of Accel Associates, the general partner of Fund IV, and share voting and dispositive power over the shares held by Fund IV. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 11

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 953,737 shares

Expires not disclosed

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

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

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

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

F7 · ownership.nature: The shares are held of record by Accel VIII L.P. ("Accel VIII"). Arthur C. Patterson and James R. Swartz are the managing members of Accel VIII Associates LLC ("Accel Associates"), the general partner of Accel VIII, and share voting and dispositive power over the shares held by Accel VIII. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 10

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 27,476 shares

Expires not disclosed

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

F2 · derivative.exercise_price: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F2 · derivative.exercise_date: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F2 · derivative.expiration_date: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F9 · ownership.nature: The shares are held of record by Accel Investors 2000 L.L.C. ("Investors 2000"). Messrs. Patterson and Swartz are the managing members of Investors 2000 and share voting and dispositive power over the shares held by Investors 2000. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 9

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 62,338 shares

Expires not disclosed

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

F2 · derivative.exercise_price: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F2 · derivative.exercise_date: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F2 · derivative.expiration_date: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F8 · ownership.nature: The shares are held of record by Accel Internet Fund IV L.P. ("Fund IV"). Messrs. Patterson and Swartz are the managing members of Accel Associates, the general partner of Fund IV, and share voting and dispositive power over the shares held by Fund IV. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 8

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 317,547 shares

Expires not disclosed

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

F2 · derivative.exercise_price: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F2 · derivative.exercise_date: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F2 · derivative.expiration_date: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F7 · ownership.nature: The shares are held of record by Accel VIII L.P. ("Accel VIII"). Arthur C. Patterson and James R. Swartz are the managing members of Accel VIII Associates LLC ("Accel Associates"), the general partner of Accel VIII, and share voting and dispositive power over the shares held by Accel VIII. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 7

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 105,480 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: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F1 · derivative.exercise_date: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F1 · derivative.expiration_date: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F9 · ownership.nature: The shares are held of record by Accel Investors 2000 L.L.C. ("Investors 2000"). Messrs. Patterson and Swartz are the managing members of Investors 2000 and share voting and dispositive power over the shares held by Investors 2000. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 6

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 239,282 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: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F1 · derivative.exercise_date: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F1 · derivative.expiration_date: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F8 · ownership.nature: The shares are held of record by Accel Internet Fund IV L.P. ("Fund IV"). Messrs. Patterson and Swartz are the managing members of Accel Associates, the general partner of Fund IV, and share voting and dispositive power over the shares held by Fund IV. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · derivative · entry 5

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,218,301 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: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F1 · derivative.exercise_date: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F1 · derivative.expiration_date: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F7 · ownership.nature: The shares are held of record by Accel VIII L.P. ("Accel VIII"). Arthur C. Patterson and James R. Swartz are the managing members of Accel VIII Associates LLC ("Accel Associates"), the general partner of Accel VIII, and share voting and dispositive power over the shares held by Accel VIII. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · nonDerivative · entry 3

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 320,654

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: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F2 · price: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F3 · price: The Series D Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F4 · price: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F5 · price: The Series E Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F6 · price: The Series F Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F9 · ownership.nature: The shares are held of record by Accel Investors 2000 L.L.C. ("Investors 2000"). Messrs. Patterson and Swartz are the managing members of Investors 2000 and share voting and dispositive power over the shares held by Investors 2000. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · nonDerivative · entry 2

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 727,365

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: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F2 · price: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F3 · price: The Series D Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F4 · price: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F5 · price: The Series E Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F6 · price: The Series F Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F8 · ownership.nature: The shares are held of record by Accel Internet Fund IV L.P. ("Fund IV"). Messrs. Patterson and Swartz are the managing members of Accel Associates, the general partner of Fund IV, and share voting and dispositive power over the shares held by Fund IV. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001628280-17-010675 · wf-form4_150965319650246.xml · nonDerivative · entry 1

ACCEL VIII ASSOCIATES LLC · CIK 0001248538 · 10% owner

ACCEL VIII LP · CIK 0001115786 · 10% owner

ACCEL INTERNET FUND IV LP · CIK 0001119932 · 10% owner

ACCEL INVESTORS 2000 LLC · CIK 0001248459 · 10% owner

PATTERSON ARTHUR C · CIK 0001219233 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,703,261

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: The Series B Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F2 · price: The Series C Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:52.7 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F3 · price: The Series D Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F4 · price: The Series D-1 Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F5 · price: The Series E Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F6 · price: The Series F Convertible Preferred Stock automatically converted into Common Stock on an approximate 1:1 basis immediately prior to the completion of the Issuer's initial public offering of Common Stock and had no expiration date.

F7 · ownership.nature: The shares are held of record by Accel VIII L.P. ("Accel VIII"). Arthur C. Patterson and James R. Swartz are the managing members of Accel VIII Associates LLC ("Accel Associates"), the general partner of Accel VIII, and share voting and dispositive power over the shares held by Accel VIII. Each of the reporting persons disclaims beneficial ownership of these shares except to the extent of any pecuniary interest therein, and the filing of this report is not an admission that any reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-17-012635 · doc4.xml · nonDerivative · entry 5

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 34,379

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F6 · ownership.nature: The reportable securities are owned directly by Burn3, LLC. James R. Swartz is a managing member of Burn3, LLC.

SEC source: 0000899243-17-012635 · doc4.xml · nonDerivative · entry 4

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 30,672

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F5 · ownership.nature: The reportable securities are owned directly by Homestake Partners L.P. James R. Swartz is a general partner of Homestake Partners L.P.

SEC source: 0000899243-17-012635 · doc4.xml · nonDerivative · entry 3

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 26,568

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F4 · ownership.nature: The reportable securities are owned directly by James R. Swartz.

SEC source: 0000899243-17-012635 · doc4.xml · nonDerivative · entry 2

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 31,372

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F3 · ownership.nature: The reportable securities are owned directly by AEI. The AEA Managers are the managers of AEA LLC. AEA LLC is the general partner of AEI. The AEA Managers and AEA LLC may be deemed to share voting and investment power over the shares held by AEI and each disclaim beneficial ownership of shares held by AEI except to the extent of any pecuniary interest therein.

SEC source: 0000899243-17-012635 · doc4.xml · nonDerivative · entry 1

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,309,356

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F2 · ownership.nature: The reportable securities are owned directly by AE. James R. Swartz and Kevin Comolli (collectively, the "AEA Managers") are the managers of Accel Europe Associates L.L.C. ("AEA LLC"). AEA LLC is the general partner of Accel Europe Associates L.P. ("AEA LP"), which is the general partner of AE. The AEA Managers, AEA LLC and AEA LP may be deemed to share voting and investment power over the shares held by AE and each disclaim beneficial ownership of shares held by AE except to the extent of any pecuniary interest therein.

SEC source: 0000899243-17-003800 · doc4.xml · nonDerivative · entry 5

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 26,394

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F6 · ownership.nature: The reportable securities are owned directly by Burn3, LLC. James R. Swartz is a managing member of Burn3, LLC.

SEC source: 0000899243-17-003800 · doc4.xml · nonDerivative · entry 4

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 21,560

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F5 · ownership.nature: The reportable securities are owned directly by Homestake Partners L.P. James R. Swartz is a general partner of Homestake Partners L.P.

SEC source: 0000899243-17-003800 · doc4.xml · nonDerivative · entry 3

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 16,490

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F4 · ownership.nature: The reportable securities are owned directly by James R. Swartz.

SEC source: 0000899243-17-003800 · doc4.xml · nonDerivative · entry 2

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 62,745

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F3 · ownership.nature: The reportable securities are owned directly by AEI. The AEA Managers are the managers of AEA LLC. AEA LLC is the general partner of AEI. The AEA Managers and AEA LLC may be deemed to share voting and investment power over the shares held by AEI and each disclaim beneficial ownership of shares held by AEI except to the extent of any pecuniary interest therein.

SEC source: 0000899243-17-003800 · doc4.xml · nonDerivative · entry 1

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,618,712

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F2 · ownership.nature: The reportable securities are owned directly by AE. James R. Swartz and Kevin Comolli (collectively, the "AEA Managers") are the managers of Accel Europe Associates L.L.C. ("AEA LLC"). AEA LLC is the general partner of Accel Europe Associates L.P. ("AEA LP"), which is the general partner of AE. The AEA Managers, AEA LLC and AEA LP may be deemed to share voting and investment power over the shares held by AE and each disclaim beneficial ownership of shares held by AE except to the extent of any pecuniary interest therein.

SEC source: 0000899243-16-032934 · doc4.xml · nonDerivative · entry 5

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 11,732

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F6 · ownership.nature: The reportable securities are owned directly by Burn3, LLC. James R. Swartz is a managing member of Burn3, LLC.

SEC source: 0000899243-16-032934 · doc4.xml · nonDerivative · entry 4

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 9,582

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F5 · ownership.nature: The reportable securities are owned directly by Homestake Partners L.P. James R. Swartz is a general partner of Homestake Partners L.P.

SEC source: 0000899243-16-032934 · doc4.xml · nonDerivative · entry 3

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 7,329

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F4 · ownership.nature: The reportable securities are owned directly by James R. Swartz.

SEC source: 0000899243-16-032934 · doc4.xml · nonDerivative · entry 2

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 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: 91,266

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F3 · ownership.nature: The reportable securities are owned directly by AEI. The AEA Managers are the managers of AEA LLC. AEA LLC is the general partner of AEI. The AEA Managers and AEA LLC may be deemed to share voting and investment power over the shares held by AEI and each disclaim beneficial ownership of shares held by AEI except to the extent of any pecuniary interest therein.

SEC source: 0000899243-16-032934 · doc4.xml · nonDerivative · entry 1

ACCEL EUROPE ASSOCIATES LLC · CIK 0001248544 · 10% owner

ACCEL EUROPE ASSOCIATES LP · CIK 0001248541 · 10% owner

Accel Europe Investors 2004 L.P. · CIK 0001376765 · 10% owner

ACCEL EUROPE L P · CIK 0001131492 · 10% owner

SWARTZ JAMES R · CIK 0001219237 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,809,036

F1 · kind: Represents a pro rata distribution, and not a purchase or sale, without additional consideration by Accel Europe L.P. ("AE") and Accel Europe Investors 2004 L.P. ("AEI") to their respective limited and general partners.

F2 · ownership.nature: The reportable securities are owned directly by AE. James R. Swartz and Kevin Comolli (collectively the "AEA Managers") are the managers of Accel Europe Associates L.L.C. ("AEA LLC"). AEA LLC is the general partner of Accel Europe Associates L.P. ("AEA LP"), which is the general partner of AE. The AEA Managers, AEA LLC and AEA LP may be deemed to share voting and investment power over the shares held by AE and each disclaim beneficial ownership of shares held by AE except to the extent of any pecuniary interest therein. Due to a clerical error, in its prior Form 4 filing, the Reporting Persons reported 4,761,296 shares held by AE, rather than the correct number 4,761,295 shares. This filing reflects amounts corrected for this clerical error.