TENB

SEC source: 0001660280-20-000023 · wf-form4_158837512626031.xml · nonDerivative · entry 4

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,408,831

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

SEC source: 0001660280-20-000015 · wf-form4_158448295662922.xml · derivative · entry 5

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 46,717 shares

Expires 2028-06-21

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

F4 · derivative.exercise_date: 46,717 of the shares underlying the option vested on June 21, 2019. The remaining unvested shares underlying the option were cancelled as of December 31, 2019, upon the Reporting Person's ceasing to provide continuous services as an employee of the Issuer.

F4 · balance_after: 46,717 of the shares underlying the option vested on June 21, 2019. The remaining unvested shares underlying the option were cancelled as of December 31, 2019, upon the Reporting Person's ceasing to provide continuous services as an employee of the Issuer.

SEC source: 0001660280-20-000015 · wf-form4_158448295662922.xml · nonDerivative · entry 1

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,890

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

SEC source: 0001660280-20-000023 · wf-form4_158837512626031.xml · nonDerivative · entry 3

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,407,298

F3 · kind: These shares were acquired under the Issuer's Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0001660280-20-000030 · wf-form4_158931908991790.xml · nonDerivative · entry 1

Vintz Stephen A · CIK 0001345943 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 268,565

F1 · kind: These shares were acquired under the Issuer's Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c).

SEC source: 0001209191-20-012281 · doc4.xml · nonDerivative · entry 2

Riddick Stephen A · CIK 0001747310 · General Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,203

F2 · kind: The sale reported on this Form 4 represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale occurred automatically to satisfy the tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001209191-20-012282 · doc4.xml · nonDerivative · entry 3

Vintz Stephen A · CIK 0001345943 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 267,467

F4 · kind: The sale reported represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale occurred automatically to satisfy the tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001209191-20-012283 · doc4.xml · nonDerivative · entry 2

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,391,200

F2 · kind: The sale reported on this Form 4 represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of the RSUs. The sale occurred automatically to satisfy the tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

SEC source: 0001209191-20-012281 · doc4.xml · derivative · entry 3

Riddick Stephen A · CIK 0001747310 · General Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,885

Underlying: Common Stock · 11,961 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 restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: On February 20, 2020, 25% of the shares underlying the RSUs granted on February 20, 2019 vested, and the remainder vest in equal quarterly installments over three years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to acceleration in specified circumstances.

F3 · derivative.expiration_date: On February 20, 2020, 25% of the shares underlying the RSUs granted on February 20, 2019 vested, and the remainder vest in equal quarterly installments over three years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to acceleration in specified circumstances.

SEC source: 0001209191-20-012281 · doc4.xml · nonDerivative · entry 1

Riddick Stephen A · CIK 0001747310 · General Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,143

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 restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001209191-20-012282 · doc4.xml · derivative · entry 4

Vintz Stephen A · CIK 0001345943 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,529

Underlying: Common Stock · 34,176 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 restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

F5 · derivative.exercise_date: On February 20, 2020, 25% of the shares underlying the RSUs granted on February 20, 2019 vested, and the remainder vest in equal quarterly installments over three years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to acceleration in specified circumstances.

F5 · derivative.expiration_date: On February 20, 2020, 25% of the shares underlying the RSUs granted on February 20, 2019 vested, and the remainder vest in equal quarterly installments over three years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to acceleration in specified circumstances.

SEC source: 0001209191-20-012282 · doc4.xml · nonDerivative · entry 2

Vintz Stephen A · CIK 0001345943 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 279,149

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.75 to $28.85 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4.

SEC source: 0001209191-20-012282 · doc4.xml · nonDerivative · entry 1

Vintz Stephen A · CIK 0001345943 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 279,849

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 restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001209191-20-012283 · doc4.xml · derivative · entry 3

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 158,920

Underlying: Common Stock · 52,973 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 restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

F3 · derivative.exercise_date: On February 20, 2020, 25% of the shares underlying the RSUs granted on February 20, 2019 vested, and the remainder vest in equal quarterly installments over three years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to acceleration in specified circumstances.

F3 · derivative.expiration_date: On February 20, 2020, 25% of the shares underlying the RSUs granted on February 20, 2019 vested, and the remainder vest in equal quarterly installments over three years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to acceleration in specified circumstances.

SEC source: 0001209191-20-012283 · doc4.xml · nonDerivative · entry 1

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,412,831

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 restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

SEC source: 0001209191-20-011701 · doc4.xml · derivative · entry 1

Riddick Stephen A · CIK 0001747310 · General Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,492

Underlying: Common Stock · 63,492 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

F2 · derivative.exercise_date: 25% of the shares underlying the RSUs vest on February 19, 2021, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.

F2 · derivative.expiration_date: 25% of the shares underlying the RSUs vest on February 19, 2021, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.

SEC source: 0001209191-20-011702 · doc4.xml · derivative · entry 1

Vintz Stephen A · CIK 0001345943 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,093

Underlying: Common Stock · 141,093 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

F2 · derivative.exercise_date: 25% of the shares underlying the RSUs vest on February 19, 2021, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.

F2 · derivative.expiration_date: 25% of the shares underlying the RSUs vest on February 19, 2021, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.

SEC source: 0001209191-20-011700 · doc4.xml · derivative · entry 1

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 232,804

Underlying: Common Stock · 232,804 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer common stock.

F2 · derivative.exercise_date: 25% of the shares underlying the RSUs vest on February 19, 2021, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.

F2 · derivative.expiration_date: 25% of the shares underlying the RSUs vest on February 19, 2021, with the remainder vesting in equal quarterly installments over 3 years, subject to the Reporting Person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.

SEC source: 0001209191-20-011104 · doc4.xml · derivative · entry 4

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 182,000

Underlying: Common Stock · 16,000 shares

Expires 2028-05-08

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

F4 · derivative.exercise_date: 25% of the shares underlying the option vested on May 8, 2019, with the remainder vesting in two equal annual installments thereafter, subject to the reporting person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.

SEC source: 0001209191-20-011104 · doc4.xml · nonDerivative · entry 2

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.71 to $28.06 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4.

SEC source: 0001209191-20-011104 · doc4.xml · nonDerivative · entry 1

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,000

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

SEC source: 0001209191-20-011745 · doc4.xml · nonDerivative · entry 1

Li Ping · CIK 0001375802 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Li Family Trust

Disclosed balance after: 384,759

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by Li Family Trust, dated July 24, 2009.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.69 to $28.06 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4.

F3 · balance_after: Includes 293,440 shares received by Li Family Trust, dated July 24, 2009 that are deemed to be a change in the form of beneficial ownership and not a reportable transaction.

F4 · ownership.nature: The shares are held of record by the Li Family Trust, dated July 24, 2009 (the "Trust"). The reporting person is trustee of the Trust and has voting and dispositive power over the shares. The reporting person 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 the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-20-010337 · doc4.xml · nonDerivative · entry 2

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,359,858

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.83 - $28.05, inclusive.

SEC source: 0001660280-20-000023 · wf-form4_158837512626031.xml · derivative · entry 7

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,824,524

Underlying: Common Stock · 14,280 shares

Expires 2027-01-18

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 · kind: This option exercise was inadvertently omitted from the original Form 4 filed on February 18, 2020 reporting the sale of the 14,280 shares underlying this option exercise.

F5 · derivative.exercise_date: 25% of the shares underlying the option vested on January 1, 2018, with the remainder vesting in 12 equal quarterly installments thereafter, subject to the reporting person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.

SEC source: 0001660280-20-000023 · wf-form4_158837512626031.xml · nonDerivative · entry 2

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,389,138

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

F2 · kind: This option exercise was inadvertently omitted from the original Form 4 filed on February 18, 2020 reporting the sale of the 14,280 shares underlying this option exercise.

SEC source: 0001209191-20-010337 · doc4.xml · nonDerivative · entry 1

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,374,138

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.83 - $27.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4.

SEC source: 0001660280-20-000023 · wf-form4_158837512626031.xml · derivative · entry 6

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,838,804

Underlying: Common Stock · 720 shares

Expires 2027-01-18

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

F1 · kind: This option exercise was inadvertently omitted from the original Form 4 filed on February 18, 2020 reporting the sale of the 720 shares underlying this option exercise.

F5 · derivative.exercise_date: 25% of the shares underlying the option vested on January 1, 2018, with the remainder vesting in 12 equal quarterly installments thereafter, subject to the reporting person's continuous service with the Issuer as of the applicable vesting date, and subject to accelerated vesting in specified circumstances.

SEC source: 0001660280-20-000023 · wf-form4_158837512626031.xml · nonDerivative · entry 1

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,375,578

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

F1 · kind: This option exercise was inadvertently omitted from the original Form 4 filed on February 18, 2020 reporting the sale of the 720 shares underlying this option exercise.

SEC source: 0001660280-20-000005 · wf-form4_158093928260473.xml · nonDerivative · entry 1

Yoran Amit · CIK 0001383318 · Director · President, CEO and Chairman

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,374,858

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.83 - $27.935, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

SEC source: 0001209191-19-061125 · doc4.xml · nonDerivative · entry 1

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,998

F1 · kind: Represents a pro rata distribution from Accel Growth Fund III Strategic Partners L.P., of which the Reporting Person is a limited partner.

F2 · ownership.nature: The shares are held directly by Kennelly Partners, L.P. ("KP"). The Reporting Person is a general partner of KP and has shared voting and investment control over these shares.

SEC source: 0001209191-19-061121 · doc4.xml · nonDerivative · entry 3

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 286,648

F5 · kind: On December 16, 2019, Accel Growth Fund Investors 2014 L.L.C. distributed, for no consideration, 178,500 shares of common stock of the Issuer (the "Accel 2014 Shares") to its members, representing each such member's pro rata interest in such Accel 2014 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2014 L.L.C.

SEC source: 0001209191-19-061121 · doc4.xml · nonDerivative · entry 2

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners L.P.

Disclosed balance after: 204,267

F3 · kind: On December 16, 2019, Accel Growth Fund III Strategic Partners L.P. distributed, for no consideration, 127,200 shares of common stock of the Issuer (the "Accel Strategic III Shares") to its limited partners and to Accel III GP, the general partner of Accel Growth Fund III Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Strategic III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel Strategic III Shares it received in the distribution by Accel Growth Fund III Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Strategic III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund III Strategic Partners L.P. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-061121 · doc4.xml · nonDerivative · entry 1

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,326,710

F1 · kind: On December 16, 2019, Accel Growth Fund III L.P. distributed, for no consideration, 2,694,300 shares of common stock of the Issuer (the "Accel III Shares") to its limited partners and to Accel Growth Fund III Associates L.L.C. ("Accel III GP"), the general partner of Accel Growth Fund III L.P., representing each such partner's pro rata interest in such Accel III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel III Shares it received in the distribution by Accel Growth Fund III L.P. to its members, representing each such member's pro rata interest in such Accel III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.direct: These shares are held by Accel Growth Fund III L.P. Accel III GP is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (together, the "Accel III Entities"). Accel III GP has sole voting and dispositive power with regard to the shares held by the Accel III Entities. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-061223 · doc4a.xml · nonDerivative · entry 3

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 286,648

F5 · kind: On December 16, 2019, Accel Growth Fund Investors 2014 L.L.C. distributed, for no consideration, 178,500 shares of common stock of the Issuer (the "Accel 2014 Shares") to its members, representing each such member's pro rata interest in such Accel 2014 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2014 L.L.C.

SEC source: 0001209191-19-061223 · doc4a.xml · nonDerivative · entry 2

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners L.P.

Disclosed balance after: 204,267

F3 · kind: On December 16, 2019, Accel Growth Fund III Strategic Partners L.P. distributed, for no consideration, 127,200 shares of common stock of the Issuer (the "Accel Strategic III Shares") to its limited partners and to Accel III GP, the general partner of Accel Growth Fund III Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Strategic III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel Strategic III Shares it received in the distribution by Accel Growth Fund III Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Strategic III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund III Strategic Partners L.P. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-061223 · doc4a.xml · nonDerivative · entry 1

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,326,710

F1 · kind: On December 16, 2019, Accel Growth Fund III L.P. distributed, for no consideration, 2,694,300 shares of common stock of the Issuer (the "Accel III Shares") to its limited partners and to Accel Growth Fund III Associates L.L.C. ("Accel III GP"), the general partner of Accel Growth Fund III L.P., representing each such partner's pro rata interest in such Accel III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel III Shares it received in the distribution by Accel Growth Fund III L.P. to its members, representing each such member's pro rata interest in such Accel III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.direct: These shares are held by Accel Growth Fund III L.P. Accel III GP is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (together, the "Accel III Entities"). Accel III GP has sole voting and dispositive power with regard to the shares held by the Accel III Entities. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-061123 · doc4.xml · nonDerivative · entry 1

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 86

F1 · kind: Represents a pro rata distribution from Accel Growth Fund III Strategic Partners L.P., of which the Reporting Person is a limited partner.

F2 · ownership.nature: The Trustees of the John Cloyd Huffard Jr Revocable Trust are John Cloyd Huffard Jr and Mary Kathryn Braden Huffard.

SEC source: 0001660280-20-000007 · wf-form5_158171645451809.xml · nonDerivative · entry 1

Vintz Stephen A · CIK 0001345943 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 245,673

F1 · kind: Represents shares of Common Stock that the reporting person donated as a gift to the Vintz Family Charitable Fund, a donor advised fund.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 9

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2014 L.L.C.

Disclosed balance after: 465,148

F14 · kind: On December 6, 2019, Accel Growth Fund Investors 2014 L.L.C. distributed, for no consideration, 51,551 shares of common stock of the Issuer (the "Accel 2014 Shares") to its members, representing each such member's pro rata interest in such Accel 2014 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F15 · ownership.nature: These shares are held by Accel Growth Fund Investors 2014 L.L.C.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 8

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III Strategic Partners L.P.

Disclosed balance after: 331,467

F12 · kind: On December 6, 2019, Accel Growth Fund III Strategic Partners L.P. distributed, for no consideration, 36,735 shares of common stock of the Issuer (the "Accel Strategic III Shares") to its limited partners and to Accel III GP, the general partner of Accel Growth Fund III Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Strategic III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel Strategic III Shares it received in the distribution by Accel Growth Fund III Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Strategic III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F13 · ownership.nature: These shares are held by Accel Growth Fund III Strategic Partners L.P. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 7

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund III L.P.

Disclosed balance after: 7,021,010

F10 · kind: On December 6, 2019, Accel Growth Fund III L.P. distributed, for no consideration, 778,112 shares of common stock of the Issuer (the "Accel III Shares") to its limited partners and to Accel Growth Fund III Associates L.L.C. ("Accel III GP"), the general partner of Accel Growth Fund III L.P., representing each such partner's pro rata interest in such Accel III Shares. On the same date, Accel III GP distributed, for no consideration, the Accel III Shares it received in the distribution by Accel Growth Fund III L.P. to its members, representing each such member's pro rata interest in such Accel III Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F11 · ownership.nature: These shares are held by Accel Growth Fund III L.P. Accel III GP is the general partner of each of Accel Growth Fund III L.P. and Accel Growth Fund III Strategic Partners L.P. (together, the "Accel III Entities"). Accel III GP has sole voting and dispositive power with regard to the shares held by the Accel III Entities. Accel III GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 6

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2012 L.L.C.

Disclosed balance after: 0

F9 · kind: On December 6, 2019, Accel Growth Fund Investors 2012 L.L.C. distributed, for no consideration, 135,912 shares of common stock of the Issuer (the "Accel 2012 Shares") to its members, representing each such member's pro rata interest in such Accel 2012 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2012 L.L.C.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 5

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 0

F8 · kind: On December 6, 2019, Accel Growth Fund II Strategic Partners L.P. distributed, for no consideration, 101,118 shares of common stock of the Issuer (the "Accel Strategic Shares") to its limited partners and to Accel II GP, the general partner of Accel Growth Fund II Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Strategic Shares. On the same date, Accel II GP distributed, for no consideration, the Accel Strategic Shares it received in the distribution by Accel Growth Fund II Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Strategic Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund II Strategic Partners L.P. Accel II GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 4

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F7 · kind: On December 6, 2019, Accel Growth Fund II L.P. distributed, for no consideration, 1,396,572 shares of common stock of the Issuer (the "Accel II Shares") to its limited partners and to Accel Growth Fund II Associates L.L.C. ("Accel II GP"), the general partner of Accel Growth Fund II L.P., representing each such partner's pro rata interest in such Accel II Shares. On the same date, Accel II GP distributed, for no consideration, the Accel II Shares it received in the distribution by Accel Growth Fund II L.P. to its members, representing each such member's pro rata interest in such Accel II Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001209191-19-059706 · doc4.xml · nonDerivative · entry 3

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 8,167

F3 · kind: Represents a pro rata distribution from Accel Growth Fund III Strategic Partners L.P., of which the Reporting Person is a limited partner.

F2 · ownership.nature: The shares are held directly by Kennelly Partners, L.P. ("KP"). The Reporting Person is a general partner of KP and has shared voting and investment control over these shares.

SEC source: 0001209191-19-059706 · doc4.xml · nonDerivative · entry 2

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 7,638

F1 · kind: Represents a pro rata distribution from Accel Growth Fund II Strategic Partners L.P., of which the Reporting Person is a limited partner.

F2 · ownership.nature: The shares are held directly by Kennelly Partners, L.P. ("KP"). The Reporting Person is a general partner of KP and has shared voting and investment control over these shares.

SEC source: 0001209191-19-059865 · doc4.xml · nonDerivative · entry 1

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 19

F1 · kind: Represents a pro rata distribution from Accel Growth Fund III Strategic Partners L.P., of which the Reporting Person is a limited partner.

F2 · ownership.nature: The Trustees of the John Cloyd Huffard Jr Revocable Trust are John Cloyd Huffard Jr and Mary Kathryn Braden Huffard.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 3

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund Investors 2012 L.L.C.

Disclosed balance after: 135,912

F5 · kind: On December 5, 2019, Accel Growth Fund Investors 2012 L.L.C. distributed, for no consideration, 203,872 shares of common stock of the Issuer (the "Accel 2012 Shares") to its members, representing each such member's pro rata interest in such Accel 2012 Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These shares are held by Accel Growth Fund Investors 2012 L.L.C.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 2

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 101,118

F3 · kind: On December 5, 2019, Accel Growth Fund II Strategic Partners L.P. distributed, for no consideration, 151,677 shares of common stock of the Issuer (the "Accel Strategic Shares") to its limited partners and to Accel II GP, the general partner of Accel Growth Fund II Strategic Partners L.P., representing each such partner's pro rata interest in such Accel Strategic Shares. On the same date, Accel II GP distributed, for no consideration, the Accel Strategic Shares it received in the distribution by Accel Growth Fund II Strategic Partners L.P. to its members, representing each such member's pro rata interest in such Accel Strategic Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: These shares are held by Accel Growth Fund II Strategic Partners L.P. Accel II GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-059714 · doc4.xml · nonDerivative · entry 1

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund Investors 2012 L.L.C. · CIK 0001531135 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund III L.P. · CIK 0001601528 · 10% owner

Accel Growth Fund III Strategic Partners L.P. · CIK 0001605863 · 10% owner

Accel Growth Fund Investors 2014 L.L.C. · CIK 0001630897 · 10% owner

Accel Growth Fund III Associates L.L.C. · CIK 0001601529 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,396,572

F1 · kind: On December 5, 2019, Accel Growth Fund II L.P. distributed, for no consideration, 2,094,854 shares of common stock of the Issuer (the "Accel II Shares") to its limited partners and to Accel Growth Fund II Associates L.L.C. ("Accel II GP"), the general partner of Accel Growth Fund II L.P., representing each such partner's pro rata interest in such Accel II Shares. On the same date, Accel II GP distributed, for no consideration, the Accel II Shares it received in the distribution by Accel Growth Fund II L.P. to its members, representing each such member's pro rata interest in such Accel II Shares. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.direct: These shares are held by Accel Growth Fund II L.P. Accel II GP is the general partner of each of Accel Growth Fund II L.P. and Accel Growth Fund II Strategic Partners L.P. (together, the "Accel II Entities"). Accel II GP has sole voting and dispositive power with regard to the shares held by the Accel II Entities. Accel II GP disclaims Section 16 beneficial ownership over the securities reported herein except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for Section 16 or any other purpose.