DOCU

SEC source: 0001209191-18-027185 · doc4.xml · nonDerivative · entry 2

LAVIGNE LOUIS J JR · CIK 0001214127 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 44,905

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 Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0001209191-18-027185 · doc4.xml · nonDerivative · entry 1

LAVIGNE LOUIS J JR · CIK 0001214127 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,633

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 Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0001209191-18-027183 · doc4.xml · derivative · entry 2

Hinshaw John M · CIK 0001534787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 63,492 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 Series B Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0001209191-18-027183 · doc4.xml · nonDerivative · entry 1

Hinshaw John M · CIK 0001534787 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,492

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 Series B Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0001209191-18-027187 · doc4.xml · derivative · entry 8

Meeker Mary G · CIK 0001544567 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,122,390 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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · ownership.nature: The reporting person is a managing member of KPCB DGF Associates, LLC, which is the managing member of KPCB Growth and KPCB FF. KPCB Holdings, Inc., as nominee, held the stock for the account of KPCB Growth and KPCB FF. The reporting person may be deemed to share voting and investment power over the securities held by KPCB Growth and KPCB FF. The reporting person disclaims beneficial ownership over such securities except to the extent of her 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: 0001209191-18-027187 · doc4.xml · derivative · entry 7

Meeker Mary G · CIK 0001544567 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 55,126 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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · ownership.nature: The reporting person is a managing member of KPCB DGF Associates, LLC, which is the managing member of KPCB Growth and KPCB FF. KPCB Holdings, Inc., as nominee, held the stock for the account of KPCB Growth and KPCB FF. The reporting person may be deemed to share voting and investment power over the securities held by KPCB Growth and KPCB FF. The reporting person disclaims beneficial ownership over such securities except to the extent of her 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: 0001209191-18-027187 · doc4.xml · derivative · entry 6

Meeker Mary G · CIK 0001544567 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 351,524 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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · ownership.nature: The reporting person is a managing member of KPCB DGF Associates, LLC, which is the managing member of KPCB Growth and KPCB FF. KPCB Holdings, Inc., as nominee, held the stock for the account of KPCB Growth and KPCB FF. The reporting person may be deemed to share voting and investment power over the securities held by KPCB Growth and KPCB FF. The reporting person disclaims beneficial ownership over such securities except to the extent of her 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: 0001209191-18-027187 · doc4.xml · derivative · entry 5

Meeker Mary G · CIK 0001544567 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,166,533 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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · ownership.nature: The reporting person is a managing member of KPCB DGF Associates, LLC, which is the managing member of KPCB Growth and KPCB FF. KPCB Holdings, Inc., as nominee, held the stock for the account of KPCB Growth and KPCB FF. The reporting person may be deemed to share voting and investment power over the securities held by KPCB Growth and KPCB FF. The reporting person disclaims beneficial ownership over such securities except to the extent of her 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: 0001209191-18-027187 · doc4.xml · nonDerivative · entry 4

Meeker Mary G · CIK 0001544567 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,432,825

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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The reporting person is a managing member of KPCB DGF Associates, LLC, which is the managing member of KPCB Digital Growth Fund, LLC ("KPCB Growth") and KPCB DGF Founders Fund, LLC ("KPCB FF"). KPCB Holdings, Inc., as nominee, holds the stock for the account of KPCB Growth and KPCB FF. The reporting person may be deemed to share voting and investment power over the securities held by KPCB Growth and KPCB FF. The reporting person disclaims beneficial ownership over such securities except to the extent of her 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: 0001209191-18-027187 · doc4.xml · nonDerivative · entry 3

Meeker Mary G · CIK 0001544567 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,310,435

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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The reporting person is a managing member of KPCB DGF Associates, LLC, which is the managing member of KPCB Digital Growth Fund, LLC ("KPCB Growth") and KPCB DGF Founders Fund, LLC ("KPCB FF"). KPCB Holdings, Inc., as nominee, holds the stock for the account of KPCB Growth and KPCB FF. The reporting person may be deemed to share voting and investment power over the securities held by KPCB Growth and KPCB FF. The reporting person disclaims beneficial ownership over such securities except to the extent of her 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: 0001209191-18-027187 · doc4.xml · nonDerivative · entry 2

Meeker Mary G · CIK 0001544567 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,255,309

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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The reporting person is a managing member of KPCB DGF Associates, LLC, which is the managing member of KPCB Digital Growth Fund, LLC ("KPCB Growth") and KPCB DGF Founders Fund, LLC ("KPCB FF"). KPCB Holdings, Inc., as nominee, holds the stock for the account of KPCB Growth and KPCB FF. The reporting person may be deemed to share voting and investment power over the securities held by KPCB Growth and KPCB FF. The reporting person disclaims beneficial ownership over such securities except to the extent of her 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: 0001209191-18-027187 · doc4.xml · nonDerivative · entry 1

Meeker Mary G · CIK 0001544567 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,903,785

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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The reporting person is a managing member of KPCB DGF Associates, LLC, which is the managing member of KPCB Digital Growth Fund, LLC ("KPCB Growth") and KPCB DGF Founders Fund, LLC ("KPCB FF"). KPCB Holdings, Inc., as nominee, holds the stock for the account of KPCB Growth and KPCB FF. The reporting person may be deemed to share voting and investment power over the securities held by KPCB Growth and KPCB FF. The reporting person disclaims beneficial ownership over such securities except to the extent of her 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: 0001209191-18-027182 · doc4.xml · derivative · entry 13

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 170,295 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 Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The shares were held by Frazier. Frazier's sole general partner is FTVM II and FTVM II's sole general partner is Frazier Tech Management. Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · derivative · entry 12

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 942,427 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 Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The shares were held by Frazier. Frazier's sole general partner is FTVM II and FTVM II's sole general partner is Frazier Tech Management. Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · derivative · entry 11

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 855,646 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 Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The shares were held by Frazier. Frazier's sole general partner is FTVM II and FTVM II's sole general partner is Frazier Tech Management. Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · derivative · entry 10

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 4,729,005 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 Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The shares were held by Frazier. Frazier's sole general partner is FTVM II and FTVM II's sole general partner is Frazier Tech Management. Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · derivative · entry 9

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 948,167 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 Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The shares were held by Frazier. Frazier's sole general partner is FTVM II and FTVM II's sole general partner is Frazier Tech Management. Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · derivative · entry 8

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,987,319 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 Series A Preferred Stock converted into 1.02192925205 shares of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock converted into 1.02192925205 shares of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock converted into 1.02192925205 shares of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The shares were held by Frazier. Frazier's sole general partner is FTVM II and FTVM II's sole general partner is Frazier Tech Management. Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · nonDerivative · entry 7

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,203,071

F2 · ownership.nature: The shares are owned directly by Frazier Technology Ventures II, L.P. ("Frazier"). Frazier's sole general partner is FTVM II, L.P. ("FTVM II") and FTVM II's sole general partner is Frazier Technology Management, L.L.C. ("Frazier Tech Management"). Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · nonDerivative · entry 6

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,698,618

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 Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are owned directly by Frazier Technology Ventures II, L.P. ("Frazier"). Frazier's sole general partner is FTVM II, L.P. ("FTVM II") and FTVM II's sole general partner is Frazier Technology Management, L.L.C. ("Frazier Tech Management"). Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · nonDerivative · entry 5

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,528,323

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 Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are owned directly by Frazier Technology Ventures II, L.P. ("Frazier"). Frazier's sole general partner is FTVM II, L.P. ("FTVM II") and FTVM II's sole general partner is Frazier Technology Management, L.L.C. ("Frazier Tech Management"). Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · nonDerivative · entry 4

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 8,585,896

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 Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are owned directly by Frazier Technology Ventures II, L.P. ("Frazier"). Frazier's sole general partner is FTVM II, L.P. ("FTVM II") and FTVM II's sole general partner is Frazier Technology Management, L.L.C. ("Frazier Tech Management"). Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · nonDerivative · entry 3

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 7,730,250

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

F3 · price: Each share of Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are owned directly by Frazier Technology Ventures II, L.P. ("Frazier"). Frazier's sole general partner is FTVM II, L.P. ("FTVM II") and FTVM II's sole general partner is Frazier Technology Management, L.L.C. ("Frazier Tech Management"). Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · nonDerivative · entry 2

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,001,245

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 Series A-1 Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock and Series D Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are owned directly by Frazier Technology Ventures II, L.P. ("Frazier"). Frazier's sole general partner is FTVM II, L.P. ("FTVM II") and FTVM II's sole general partner is Frazier Technology Management, L.L.C. ("Frazier Tech Management"). Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027182 · doc4.xml · nonDerivative · entry 1

Darling Scott C · CIK 0001733959 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,053,078

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 Series A Preferred Stock converted into 1.02192925205 shares of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are owned directly by Frazier Technology Ventures II, L.P. ("Frazier"). Frazier's sole general partner is FTVM II, L.P. ("FTVM II") and FTVM II's sole general partner is Frazier Technology Management, L.L.C. ("Frazier Tech Management"). Scott Darling is a managing member of Frazier Tech Management. The reporting person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-027472 · doc4.xml · derivative · entry 11

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 17,170 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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · ownership.nature: The shares were held by SVP III. SVM III is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-18-027472 · doc4.xml · derivative · entry 10

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 85,391 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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · ownership.nature: The shares were held by SVP III. SVM III is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-18-027472 · doc4.xml · derivative · entry 9

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 4,707,896 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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · ownership.nature: The shares were held by SVP III. SVM III is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-18-027472 · doc4.xml · derivative · entry 8

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 277 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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · ownership.nature: The shares were held by SVP III. SVM III is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-18-027472 · doc4.xml · derivative · entry 7

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 924 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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · ownership.nature: The shares were held by SVP III. SVM III is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-18-027472 · doc4.xml · nonDerivative · entry 6

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,359,253

F2 · ownership.nature: The shares are held by Scale Venture Partners III, L.P. ("SVP III"). Scale Venture Management III, LLC ("SVM III") is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-18-027472 · doc4.xml · nonDerivative · entry 5

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,844,375

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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are held by Scale Venture Partners III, L.P. ("SVP III"). Scale Venture Management III, LLC ("SVM III") is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-18-027472 · doc4.xml · nonDerivative · entry 4

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,827,205

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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are held by Scale Venture Partners III, L.P. ("SVP III"). Scale Venture Management III, LLC ("SVM III") is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-18-027472 · doc4.xml · nonDerivative · entry 3

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,741,814

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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are held by Scale Venture Partners III, L.P. ("SVP III"). Scale Venture Management III, LLC ("SVM III") is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-18-027472 · doc4.xml · nonDerivative · entry 2

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 33,918

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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are held by Scale Venture Partners III, L.P. ("SVP III"). Scale Venture Management III, LLC ("SVM III") is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0001209191-18-027472 · doc4.xml · nonDerivative · entry 1

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 33,641

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 Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock converted into one share of common stock upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The shares are held by Scale Venture Partners III, L.P. ("SVP III"). Scale Venture Management III, LLC ("SVM III") is the general partner of SVP III. Rory O'Driscoll, Stacy Bishop, Kate Mitchell and Andrew Vitus, are managing members of SVM III and share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

SEC source: 0000899243-18-011287 · doc4.xml · derivative · entry 13

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 89,811 shares

Expires not disclosed

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

F1 · derivative.exercise_price: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · price: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F4 · ownership.nature: Represents securities of the Issuer held directly by NPI Capital, LLC. Mr. Salem is the managing member of NPI Capital, LLC.

SEC source: 0000899243-18-011287 · doc4.xml · derivative · entry 12

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Stock · 3,011,559 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: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · price: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F2 · ownership.nature: Represents securities of the Issuer held directly by Bain Capital Venture Fund 2012, L.P., Bain Capital Venture Fund 2014, L.P., Bain Capital Venture Coinvestment Fund, L.P., BCIP Venture Associates, BCIP Venture Associates-B, BCIP Venture Associates II, LP and BCIP Venture Associates II-B, LP, (collectively, the "Bain Venture Entities").

F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the Issuer's securities held by the Bain Venture Entities. Mr. Salem disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000899243-18-011287 · doc4.xml · derivative · entry 11

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Stock · 343,417 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: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · price: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F2 · ownership.nature: Represents securities of the Issuer held directly by Bain Capital Venture Fund 2012, L.P., Bain Capital Venture Fund 2014, L.P., Bain Capital Venture Coinvestment Fund, L.P., BCIP Venture Associates, BCIP Venture Associates-B, BCIP Venture Associates II, LP and BCIP Venture Associates II-B, LP, (collectively, the "Bain Venture Entities").

F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the Issuer's securities held by the Bain Venture Entities. Mr. Salem disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000899243-18-011287 · doc4.xml · derivative · entry 10

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Stock · 1,916,890 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.

F1 · derivative.exercise_price: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · price: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F2 · ownership.nature: Represents securities of the Issuer held directly by Bain Capital Venture Fund 2012, L.P., Bain Capital Venture Fund 2014, L.P., Bain Capital Venture Coinvestment Fund, L.P., BCIP Venture Associates, BCIP Venture Associates-B, BCIP Venture Associates II, LP and BCIP Venture Associates II-B, LP, (collectively, the "Bain Venture Entities").

F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the Issuer's securities held by the Bain Venture Entities. Mr. Salem disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000899243-18-011287 · doc4.xml · derivative · entry 9

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Stock · 5,541 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: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · price: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F2 · ownership.nature: Represents securities of the Issuer held directly by Bain Capital Venture Fund 2012, L.P., Bain Capital Venture Fund 2014, L.P., Bain Capital Venture Coinvestment Fund, L.P., BCIP Venture Associates, BCIP Venture Associates-B, BCIP Venture Associates II, LP and BCIP Venture Associates II-B, LP, (collectively, the "Bain Venture Entities").

F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the Issuer's securities held by the Bain Venture Entities. Mr. Salem disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000899243-18-011287 · doc4.xml · derivative · entry 8

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Common Stock · 18,498 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: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · price: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F2 · ownership.nature: Represents securities of the Issuer held directly by Bain Capital Venture Fund 2012, L.P., Bain Capital Venture Fund 2014, L.P., Bain Capital Venture Coinvestment Fund, L.P., BCIP Venture Associates, BCIP Venture Associates-B, BCIP Venture Associates II, LP and BCIP Venture Associates II-B, LP, (collectively, the "Bain Venture Entities").

F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the Issuer's securities held by the Bain Venture Entities. Mr. Salem disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000899243-18-011287 · doc4.xml · nonDerivative · entry 7

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 89,811

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: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F4 · ownership.nature: Represents securities of the Issuer held directly by NPI Capital, LLC. Mr. Salem is the managing member of NPI Capital, LLC.

SEC source: 0000899243-18-011287 · doc4.xml · nonDerivative · entry 6

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 5,295,905

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: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F2 · ownership.nature: Represents securities of the Issuer held directly by Bain Capital Venture Fund 2012, L.P., Bain Capital Venture Fund 2014, L.P., Bain Capital Venture Coinvestment Fund, L.P., BCIP Venture Associates, BCIP Venture Associates-B, BCIP Venture Associates II, LP and BCIP Venture Associates II-B, LP, (collectively, the "Bain Venture Entities").

F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the Issuer's securities held by the Bain Venture Entities. Mr. Salem disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000899243-18-011287 · doc4.xml · nonDerivative · entry 5

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 2,284,346

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: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F2 · ownership.nature: Represents securities of the Issuer held directly by Bain Capital Venture Fund 2012, L.P., Bain Capital Venture Fund 2014, L.P., Bain Capital Venture Coinvestment Fund, L.P., BCIP Venture Associates, BCIP Venture Associates-B, BCIP Venture Associates II, LP and BCIP Venture Associates II-B, LP, (collectively, the "Bain Venture Entities").

F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the Issuer's securities held by the Bain Venture Entities. Mr. Salem disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000899243-18-011287 · doc4.xml · nonDerivative · entry 4

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,940,929

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: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F2 · ownership.nature: Represents securities of the Issuer held directly by Bain Capital Venture Fund 2012, L.P., Bain Capital Venture Fund 2014, L.P., Bain Capital Venture Coinvestment Fund, L.P., BCIP Venture Associates, BCIP Venture Associates-B, BCIP Venture Associates II, LP and BCIP Venture Associates II-B, LP, (collectively, the "Bain Venture Entities").

F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the Issuer's securities held by the Bain Venture Entities. Mr. Salem disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000899243-18-011287 · doc4.xml · nonDerivative · entry 3

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 24,039

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: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F2 · ownership.nature: Represents securities of the Issuer held directly by Bain Capital Venture Fund 2012, L.P., Bain Capital Venture Fund 2014, L.P., Bain Capital Venture Coinvestment Fund, L.P., BCIP Venture Associates, BCIP Venture Associates-B, BCIP Venture Associates II, LP and BCIP Venture Associates II-B, LP, (collectively, the "Bain Venture Entities").

F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the Issuer's securities held by the Bain Venture Entities. Mr. Salem disclaims beneficial ownership except to the extent of his pecuniary interest therein.

SEC source: 0000899243-18-011287 · doc4.xml · nonDerivative · entry 2

Salem Enrique T · CIK 0001295402 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 18,498

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: These shares of redeemable convertible preferred stock automatically converted into shares of Common Stock on a 1-for-1 basis immediately upon the closing of the Issuer's initial public offering. These shares of redeemable convertible preferred stock had no expiration date.

F2 · ownership.nature: Represents securities of the Issuer held directly by Bain Capital Venture Fund 2012, L.P., Bain Capital Venture Fund 2014, L.P., Bain Capital Venture Coinvestment Fund, L.P., BCIP Venture Associates, BCIP Venture Associates-B, BCIP Venture Associates II, LP and BCIP Venture Associates II-B, LP, (collectively, the "Bain Venture Entities").

F3 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Venture Entities is directed by the Executive Committee of Bain Capital Venture Investors, LLC ("BCVI"). Mr. Salem is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Salem may be deemed to share voting and dispositive power with respect to all of the Issuer's securities held by the Bain Venture Entities. Mr. Salem disclaims beneficial ownership except to the extent of his pecuniary interest therein.