DBX

SEC source: 0001562180-18-004699 · primarydocument.xml · nonDerivative · entry 2

Volkmer Bart · CIK 0001734437 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,273

F3 · kind: These shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person.

F4 · price: This transaction was executed in multiple trades at prices ranging from $21.30 to $22.01. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through November 15, 2021. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004699 · primarydocument.xml · nonDerivative · entry 1

Volkmer Bart · CIK 0001734437 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205,576

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 · shares: 3,848 shares of Class B Common Stock were converted into 3,848 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F2 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through November 15, 2021. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004671 · primarydocument.xml · nonDerivative · entry 1

Volkmer Bart · CIK 0001734437 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,728

F1 · price: This transaction was executed in multiple trades at prices ranging from $21.00 to $21.04. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001562180-18-004626 · primarydocument.xml · derivative · entry 4

Rangan Yamini · CIK 0001753409 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,664

Underlying: Class A Common Stock · 5,165 shares

Expires not disclosed

F5 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F3 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

F5 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F5 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F4 · balance_after: These securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class B Common Stock, subject to the applicable vesting schedule through November 15, 2019. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004626 · primarydocument.xml · derivative · entry 3

Rangan Yamini · CIK 0001753409 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,829

Underlying: Class A Common Stock · 5,251 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: 5,251 shares of Class B Common Stock were converted into 5,251 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F1 · derivative.exercise_date: 5,251 shares of Class B Common Stock were converted into 5,251 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F1 · derivative.expiration_date: 5,251 shares of Class B Common Stock were converted into 5,251 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F4 · balance_after: These securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class B Common Stock, subject to the applicable vesting schedule through November 15, 2019. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004626 · primarydocument.xml · nonDerivative · entry 2

Rangan Yamini · CIK 0001753409 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 202,548

F3 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

F2 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through August 15, 2022. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004626 · primarydocument.xml · nonDerivative · entry 1

Rangan Yamini · CIK 0001753409 · Chief Customer Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 208,465

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 · shares: 5,251 shares of Class B Common Stock were converted into 5,251 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F2 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through August 15, 2022. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004624 · primarydocument.xml · derivative · entry 2

Vashee Ajay · CIK 0001734428 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 344,332

Underlying: Class A Common Stock · 4,215 shares

Expires not disclosed

F3 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

F3 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F3 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F4 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class B Common Stock, subject to the applicable vesting schedule through February 15, 2019. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004624 · primarydocument.xml · nonDerivative · entry 1

Vashee Ajay · CIK 0001734428 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 423,313

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

F2 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through November 15, 2021. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004622 · primarydocument.xml · derivative · entry 4

Regan Timothy · CIK 0001734440 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Class A Common Stock · 2,854 shares

Expires not disclosed

F5 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F3 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

F5 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F5 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F4 · balance_after: These securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class B Common Stock, subject to the applicable vesting schedule through November 15, 2020. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004622 · primarydocument.xml · derivative · entry 3

Regan Timothy · CIK 0001734440 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,854

Underlying: Class A Common Stock · 3,396 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: 3,396 shares of Class B Common Stock were converted into 3,396 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F1 · derivative.exercise_date: 3,396 shares of Class B Common Stock were converted into 3,396 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F1 · derivative.expiration_date: 3,396 shares of Class B Common Stock were converted into 3,396 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F4 · balance_after: These securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class B Common Stock, subject to the applicable vesting schedule through November 15, 2020. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004622 · primarydocument.xml · nonDerivative · entry 2

Regan Timothy · CIK 0001734440 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,284

F3 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

F2 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through February 15, 2022. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004622 · primarydocument.xml · nonDerivative · entry 1

Regan Timothy · CIK 0001734440 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,845

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 · shares: 3,396 shares of Class B Common Stock were converted into 3,396 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F2 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through February 15, 2022. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0000899243-18-029410 · doc4.xml · derivative · entry 10

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Technology Partners XII, LP

Disclosed balance after: 2,443,403

Underlying: Class A Common Stock · 407,091 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F4 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F4 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F1 · ownership.nature: SC XII Management, LLC ("SC XII Management") is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. As a result, SC XII Management may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital XII, L.P., Sequoia Technology Partners XII, L.P. and Sequoia Capital XII Principals Fund, LLC. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-18-029410 · doc4.xml · derivative · entry 9

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII Principals Fund, LLC

Disclosed balance after: 7,999,287

Underlying: Class A Common Stock · 142,525 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F4 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F4 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F1 · ownership.nature: SC XII Management, LLC ("SC XII Management") is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. As a result, SC XII Management may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital XII, L.P., Sequoia Technology Partners XII, L.P. and Sequoia Capital XII Principals Fund, LLC. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-18-029410 · doc4.xml · derivative · entry 8

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII, LP

Disclosed balance after: 72,370,187

Underlying: Class A Common Stock · 3,808,957 shares

Expires not disclosed

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

F4 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F4 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F4 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F1 · ownership.nature: SC XII Management, LLC ("SC XII Management") is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. As a result, SC XII Management may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital XII, L.P., Sequoia Technology Partners XII, L.P. and Sequoia Capital XII Principals Fund, LLC. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-18-029410 · doc4.xml · nonDerivative · entry 6

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Technology Partners XII, LP

Disclosed balance after: 0

F2 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members and includes subsequent distributions by general partners or managing members to their respective partners or members.

F1 · ownership.nature: SC XII Management, LLC ("SC XII Management") is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. As a result, SC XII Management may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital XII, L.P., Sequoia Technology Partners XII, L.P. and Sequoia Capital XII Principals Fund, LLC. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-18-029410 · doc4.xml · nonDerivative · entry 5

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII Principals Fund, LLC

Disclosed balance after: 0

F2 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members and includes subsequent distributions by general partners or managing members to their respective partners or members.

F1 · ownership.nature: SC XII Management, LLC ("SC XII Management") is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. As a result, SC XII Management may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital XII, L.P., Sequoia Technology Partners XII, L.P. and Sequoia Capital XII Principals Fund, LLC. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-18-029410 · doc4.xml · nonDerivative · entry 4

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII, LP

Disclosed balance after: 0

F2 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members and includes subsequent distributions by general partners or managing members to their respective partners or members.

F1 · ownership.nature: SC XII Management, LLC ("SC XII Management") is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. As a result, SC XII Management may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital XII, L.P., Sequoia Technology Partners XII, L.P. and Sequoia Capital XII Principals Fund, LLC. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-18-029410 · doc4.xml · nonDerivative · entry 3

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Technology Partners XII, LP

Disclosed balance after: 407,091

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 · ownership.nature: SC XII Management, LLC ("SC XII Management") is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. As a result, SC XII Management may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital XII, L.P., Sequoia Technology Partners XII, L.P. and Sequoia Capital XII Principals Fund, LLC. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-18-029410 · doc4.xml · nonDerivative · entry 2

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII Principals Fund, LLC

Disclosed balance after: 142,525

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 · ownership.nature: SC XII Management, LLC ("SC XII Management") is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. As a result, SC XII Management may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital XII, L.P., Sequoia Technology Partners XII, L.P. and Sequoia Capital XII Principals Fund, LLC. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0000899243-18-029410 · doc4.xml · nonDerivative · entry 1

SC XII MANAGEMENT LLC · CIK 0001374246 · 10% owner

SEQUOIA CAPITAL XII A DELAWARE L P · CIK 0001367770 · 10% owner

SEQUOIA CAPITAL XII PRINCIPALS FUND LLC · CIK 0001447932 · 10% owner

SEQUOIA TECHNOLOGY PARTNERS XII A DELAWARE L P · CIK 0001380096 · 10% owner

SC US (TTGP), LTD. · CIK 0001607841 · 10% owner

SC U.S. VENTURE 2010 MANAGEMENT, L.P. · CIK 0001611355 · 10% owner

SEQUOIA CAPITAL U.S. VENTURE 2010-SEED FUND, L.P. · CIK 0001563112 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII, LP

Disclosed balance after: 3,808,957

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 · ownership.nature: SC XII Management, LLC ("SC XII Management") is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. As a result, SC XII Management may be deemed to share voting and dispositive power with respect to the shares held by Sequoia Capital XII, L.P., Sequoia Technology Partners XII, L.P. and Sequoia Capital XII Principals Fund, LLC. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001562180-18-004621 · primarydocument.xml · nonDerivative · entry 1

Clark Quentin · CIK 0001734435 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,644,768

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

F2 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through August 15, 2021. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0000899243-18-029404 · doc4.xml · derivative · entry 12

Schreier R. Bryan · CIK 0001734432 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Technology Partners XII, LP

Disclosed balance after: 2,443,403

Underlying: Class A Common Stock · 407,091 shares

Expires not disclosed

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

F5 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F5 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F5 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F1 · ownership.nature: The Reporting Person is a non-managing member of SC XII Management, LLC ("SC XII Management"). SC XII Management is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-18-029404 · doc4.xml · derivative · entry 11

Schreier R. Bryan · CIK 0001734432 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII Principals Fund, LLC

Disclosed balance after: 7,999,287

Underlying: Class A Common Stock · 142,525 shares

Expires not disclosed

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

F5 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F5 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F5 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F1 · ownership.nature: The Reporting Person is a non-managing member of SC XII Management, LLC ("SC XII Management"). SC XII Management is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-18-029404 · doc4.xml · derivative · entry 10

Schreier R. Bryan · CIK 0001734432 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII, LP

Disclosed balance after: 72,370,187

Underlying: Class A Common Stock · 3,808,957 shares

Expires not disclosed

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

F5 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F5 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F5 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F1 · ownership.nature: The Reporting Person is a non-managing member of SC XII Management, LLC ("SC XII Management"). SC XII Management is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-18-029404 · doc4.xml · nonDerivative · entry 7

Schreier R. Bryan · CIK 0001734432 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By family trust

Disclosed balance after: 44,509

F3 · kind: Represents the receipt of shares of Common Stock of the Issuer by virtue of the pro rata in-kind distributions described in footnote (2) above.

SEC source: 0000899243-18-029404 · doc4.xml · nonDerivative · entry 6

Schreier R. Bryan · CIK 0001734432 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Technology Partners XII, LP

Disclosed balance after: 0

F2 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members and includes subsequent distributions by general partners or managing members to their respective partners or members.

F1 · ownership.nature: The Reporting Person is a non-managing member of SC XII Management, LLC ("SC XII Management"). SC XII Management is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-18-029404 · doc4.xml · nonDerivative · entry 5

Schreier R. Bryan · CIK 0001734432 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII Principals Fund, LLC

Disclosed balance after: 0

F2 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members and includes subsequent distributions by general partners or managing members to their respective partners or members.

F1 · ownership.nature: The Reporting Person is a non-managing member of SC XII Management, LLC ("SC XII Management"). SC XII Management is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-18-029404 · doc4.xml · nonDerivative · entry 4

Schreier R. Bryan · CIK 0001734432 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII, LP

Disclosed balance after: 0

F2 · kind: Represents a distribution of Class A Common Stock of the Issuer to partners or members and includes subsequent distributions by general partners or managing members to their respective partners or members.

F1 · ownership.nature: The Reporting Person is a non-managing member of SC XII Management, LLC ("SC XII Management"). SC XII Management is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-18-029404 · doc4.xml · nonDerivative · entry 3

Schreier R. Bryan · CIK 0001734432 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Technology Partners XII, LP

Disclosed balance after: 407,091

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 · ownership.nature: The Reporting Person is a non-managing member of SC XII Management, LLC ("SC XII Management"). SC XII Management is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-18-029404 · doc4.xml · nonDerivative · entry 2

Schreier R. Bryan · CIK 0001734432 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII Principals Fund, LLC

Disclosed balance after: 142,525

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 · ownership.nature: The Reporting Person is a non-managing member of SC XII Management, LLC ("SC XII Management"). SC XII Management is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or any other purpose.

SEC source: 0000899243-18-029404 · doc4.xml · nonDerivative · entry 1

Schreier R. Bryan · CIK 0001734432 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Sequoia Capital XII, LP

Disclosed balance after: 3,808,957

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 · ownership.nature: The Reporting Person is a non-managing member of SC XII Management, LLC ("SC XII Management"). SC XII Management is the general partner of Sequoia Capital XII, L.P. and Sequoia Technology Partners XII, L.P. and is the managing member of Sequoia Capital XII Principals Fund, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or any other purpose.

SEC source: 0001562180-18-004625 · primarydocument.xml · derivative · entry 2

Volkmer Bart · CIK 0001734437 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 289,832

Underlying: Class A Common Stock · 3,786 shares

Expires not disclosed

F3 · derivative.exercise_price: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

F3 · derivative.exercise_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F3 · derivative.expiration_date: The Issuer's Class B Common Stock is convertible into the Issuer's Class A Common Stock on a one-for-one basis at the Reporting Person's election and has no expiration date.

F4 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class B Common Stock, subject to the applicable vesting schedule through August 15, 2019. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004625 · primarydocument.xml · nonDerivative · entry 1

Volkmer Bart · CIK 0001734437 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 206,031

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

F2 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through November 15, 2021. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004525 · primarydocument.xml · nonDerivative · entry 1

Houston Andrew · CIK 0001734563 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 716,728

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Houston Remainder Trust u/a/d 12/30/2010, for which reporting Person serves as trustee (the "Remainder Trust").

F2 · price: This transaction was executed in multiple trades at prices ranging from $27.00 to $27.05. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: The shares are held by the Remainder Trust.

SEC source: 0001562180-18-004361 · primarydocument.xml · derivative · entry 3

Houston Andrew · CIK 0001734563 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See foonote

Disclosed balance after: 7,893,764

Underlying: Class A Common Stock · 739,820 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: 739,820 shares of Class B Common Stock were converted into 739,820 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F1 · derivative.exercise_date: 739,820 shares of Class B Common Stock were converted into 739,820 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F1 · derivative.expiration_date: 739,820 shares of Class B Common Stock were converted into 739,820 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F2 · ownership.nature: Shares held by the Houston Remainder Trust u/a/d 12/30/2010, for which reporting person serves as trustee.

SEC source: 0001562180-18-004361 · primarydocument.xml · nonDerivative · entry 1

Houston Andrew · CIK 0001734563 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 764,328

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: 739,820 shares of Class B Common Stock were converted into 739,820 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F2 · ownership.nature: Shares held by the Houston Remainder Trust u/a/d 12/30/2010, for which reporting person serves as trustee.

SEC source: 0001562180-18-004299 · primarydocument.xml · nonDerivative · entry 2

Vashee Ajay · CIK 0001734428 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 426,619

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person.

F4 · price: This transaction was executed in multiple trades at prices ranging from $23.04 to $23.20. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001562180-18-004299 · primarydocument.xml · nonDerivative · entry 1

Vashee Ajay · CIK 0001734428 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 428,728

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.04 to $23.03. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through November 15, 2021. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004300 · primarydocument.xml · nonDerivative · entry 2

Clark Quentin · CIK 0001734435 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,706,743

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person.

F4 · price: This transaction was executed in multiple trades at prices ranging from $23.04 to $23.30. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · balance_after: These securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through August 15, 2021. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004300 · primarydocument.xml · nonDerivative · entry 1

Clark Quentin · CIK 0001734435 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,709,343

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $22.0301 to $23.02. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · balance_after: These securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through August 15, 2021. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001562180-18-004267 · primarydocument.xml · derivative · entry 3

Ferdowsi Arash · CIK 0001734434 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 28,636,583

Underlying: Class A Common Stock · 400,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: 400,000 shares of Class B Common Stock were converted into 400,000 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F1 · derivative.exercise_date: 400,000 shares of Class B Common Stock were converted into 400,000 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F1 · derivative.expiration_date: 400,000 shares of Class B Common Stock were converted into 400,000 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F2 · ownership.nature: Shares held by the Arash Ferdowsi Revocable Trust u/a/d 4/20/2012, for which the Reporting Person serves as trustee.

SEC source: 0001562180-18-004267 · primarydocument.xml · nonDerivative · entry 1

Ferdowsi Arash · CIK 0001734434 · Director · Co-Founder · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 400,000

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

F1 · price: 400,000 shares of Class B Common Stock were converted into 400,000 shares of Class A Common Stock at the election of the Reporting Person and had no expiration date.

F2 · ownership.nature: Shares held by the Arash Ferdowsi Revocable Trust u/a/d 4/20/2012, for which the Reporting Person serves as trustee.

SEC source: 0001562180-18-004254 · primarydocument.xml · nonDerivative · entry 1

Regan Timothy · CIK 0001734440 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,449

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person.

F2 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through February 15, 2022. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001209191-18-054138 · doc4.xml · nonDerivative · entry 2

MYLOD ROBERT J JR · CIK 0001214607 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,385

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 plan entered into by the Reporting Person.

F3 · price: This transaction was executed in multiple trades at prices ranging from $26.73 to $26.91. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001209191-18-054138 · doc4.xml · nonDerivative · entry 1

MYLOD ROBERT J JR · CIK 0001214607 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,685

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 plan entered into by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $25.735 to $26.72. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001209191-18-052372 · doc4.xml · nonDerivative · entry 1

Houston Andrew · CIK 0001734563 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 24,508

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Houston Remainder Trust u/a/d 12/30/2010, for which reporting Person serves as trustee (the "Remainder Trust").

F2 · price: This transaction was executed in multiple trades at prices ranging from $27.00 to $27.19. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · ownership.nature: The shares are held by the Remainder Trust.

SEC source: 0001209191-18-052370 · doc4.xml · nonDerivative · entry 1

Vashee Ajay · CIK 0001734428 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 440,350

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $25.60 to $26.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected

F3 · balance_after: Certain of these securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through November 15, 2021. In the event the Reporting Person ceases to be a Service Provider, any then unvested restricted stock units will be cancelled by the Issuer.

SEC source: 0001209191-18-052371 · doc4.xml · nonDerivative · entry 1

Clark Quentin · CIK 0001734435 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,723,409

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 plan entered into by the Reporting Person.

F2 · price: This transaction was executed in multiple trades at prices ranging from $25.69 to $26.38. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 · balance_after: These securities are restricted stock units. Each restricted stock unit represents the Reporting Person's right to receive one share of Class A Common Stock, subject to the applicable vesting schedule through August 15, 2021. In the event the Reporting Person ceases to be a Service Provider, the unvested restricted stock units will be cancelled by the Issuer.