TENB

SEC source: 0001209191-19-059706 · doc4.xml · nonDerivative · entry 1

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,876

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: 0001209191-19-059053 · doc4.xml · nonDerivative · entry 2

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 390,183

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.39 to $26.75 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.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-059053 · doc4.xml · nonDerivative · entry 1

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 31,847

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.39 to $26.75 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.

SEC source: 0001209191-19-058150 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,394,858

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

SEC source: 0001209191-19-058150 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,395,135

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: 0001209191-19-058150 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,431,498

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 - $27.8325, 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: 0001209191-19-057782 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,432,742

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 - $27.94, 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: 0001209191-19-057187 · doc4.xml · derivative · entry 4

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,000

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: 0001209191-19-057187 · 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 $26.46 to $26.89 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: 0001209191-19-057187 · 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: 0001209191-19-055337 · doc4.xml · nonDerivative · entry 4

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 403,477

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.05 to $25.595 inclusive.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-055337 · doc4.xml · nonDerivative · entry 3

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 33,903

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.05 to $25.595 inclusive.

SEC source: 0001209191-19-055337 · doc4.xml · nonDerivative · entry 2

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 413,986

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.84 to $25.36 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 (4) to this Form 4.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-055337 · doc4.xml · nonDerivative · entry 1

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 35,528

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.84 to $25.36 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 (4) to this Form 4.

SEC source: 0001209191-19-054722 · doc4.xml · nonDerivative · entry 8

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 435,204

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-054722 · doc4.xml · nonDerivative · entry 7

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 38,810

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

SEC source: 0001209191-19-054722 · doc4.xml · nonDerivative · entry 6

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 435,291

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.95 to $25.935 inclusive.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-054722 · doc4.xml · nonDerivative · entry 5

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 38,823

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.95 to $25.935 inclusive.

SEC source: 0001209191-19-054722 · doc4.xml · nonDerivative · entry 4

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 456,856

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.86 to $26.87 inclusive.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-054722 · doc4.xml · nonDerivative · entry 3

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 42,158

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.86 to $26.87 inclusive.

SEC source: 0001209191-19-054722 · doc4.xml · nonDerivative · entry 2

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 457,029

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.86 to $26.85 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 ranges set forth in footnotes (2), (4) and (5) to this Form 4.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-054722 · doc4.xml · nonDerivative · entry 1

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 42,185

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.86 to $26.85 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 ranges set forth in footnotes (2), (4) and (5) to this Form 4.

SEC source: 0001209191-19-050343 · doc4.xml · nonDerivative · entry 4

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 478,507

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.95 to $25.13 inclusive.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-050343 · doc4.xml · nonDerivative · entry 3

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 45,507

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.95 to $25.13 inclusive.

SEC source: 0001209191-19-050343 · doc4.xml · nonDerivative · entry 2

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 485,695

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.84 to $25.12 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 (4) to this Form 4.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-050343 · doc4.xml · nonDerivative · entry 1

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 46,619

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.84 to $25.12 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 (4) to this Form 4.

SEC source: 0001209191-19-049137 · doc4.xml · nonDerivative · entry 1

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,730

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: 0001209191-19-049134 · 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

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: 339,784

F5 · kind: On September 9, 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: 0001209191-19-049134 · 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

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: 252,795

F3 · kind: On September 9, 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: 0001209191-19-049134 · 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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,491,426

F1 · kind: On September 9, 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.

SEC source: 0001209191-19-048820 · doc4.xml · nonDerivative · entry 1

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,578

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: 0001209191-19-048783 · 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

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: 543,656

F5 · kind: On September 4, 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: 0001209191-19-048783 · 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

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: 404,472

F3 · kind: On September 4, 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: 0001209191-19-048783 · 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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,586,280

F1 · kind: On September 4, 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.

SEC source: 0001209191-19-045499 · doc4.xml · derivative · entry 1

Zecher Linda Kay · CIK 0001585799 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,331

Underlying: Common Stock · 17,331 shares

Expires not disclosed

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

F2 · derivative.exercise_date: One third of the RSUs shall vest on each of August 8, 2020, August 8, 2021 and August 8, 2022, subject to the Reporting Person's continued service as a director through the applicable vesting dates and accelerated vesting in specified circumstances.

F2 · derivative.expiration_date: One third of the RSUs shall vest on each of August 8, 2020, August 8, 2021 and August 8, 2022, subject to the Reporting Person's continued service as a director through the applicable vesting dates and accelerated vesting in specified circumstances.

SEC source: 0001209191-19-045163 · doc4.xml · derivative · entry 5

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 214,000

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.

F5 · 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: 0001209191-19-045163 · doc4.xml · nonDerivative · entry 3

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.29 to $23.52 inclusive.

SEC source: 0001209191-19-045163 · doc4.xml · nonDerivative · entry 2

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,400

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 $22.28 to $23.27 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: 0001209191-19-045163 · 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: 0001209191-19-044564 · doc4.xml · nonDerivative · entry 4

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 500,561

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.84 to $25.18 inclusive.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-044564 · doc4.xml · nonDerivative · entry 3

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 48,919

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.84 to $25.18 inclusive.

SEC source: 0001209191-19-044829 · doc4.xml · nonDerivative · entry 1

Kennelly Jerry M · CIK 0001366001 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,426

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: 0001209191-19-044828 · 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

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: 747,528

F5 · kind: On August 2, 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: 0001209191-19-044828 · 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

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: 556,149

F3 · kind: On August 2, 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: 0001209191-19-044828 · 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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,681,134

F1 · kind: On August 2, 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.

SEC source: 0001209191-19-044564 · doc4.xml · nonDerivative · entry 2

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 507,576

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.84 to $25.29 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 (4) to this Form 4.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-044564 · doc4.xml · nonDerivative · entry 1

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 50,004

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.84 to $25.29 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 (4) to this Form 4.

SEC source: 0001209191-19-043686 · doc4.xml · nonDerivative · entry 2

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 509,828

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.50 to $31.99 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.

F3 · ownership.nature: Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012. The Reporting Person's spouse and children are the beneficiaries of this trust.

SEC source: 0001209191-19-043686 · doc4.xml · nonDerivative · entry 1

Huffard John C Jr · CIK 0001747299 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 50,352

F1 · kind: The sales reported in this Form 4 were effected by the Reporting Person's spouse and Mary Kathryn Braden Huffard and Jonathan M. Forster, as Trustees of The Three Suns Non-Exempt Irrevocable Trust U/T/A dated March 2, 2012, as applicable, pursuant to Rule 10b5-1 trading plans.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.50 to $31.99 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: 0001209191-19-042620 · doc4.xml · derivative · entry 2

Negron John · CIK 0001543194 · Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,253

Underlying: Common Stock · 5,882 shares

Expires 2027-02-27

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

F1 · derivative.exercise_date: 25% of the shares underlying the option vested on February 27, 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.