TWLO

SEC source: 0001447669-21-000276 · wf-form4_163719428763932.xml · nonDerivative · entry 1

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,964

F1 · kind: Represents shares of Class A common stock that were withheld by the Issuer to satisfy tax withholding obligations of the Reporting Person in connection with the vesting of Restricted Stock Units ("RSUs").

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000280 · wf-form4_163719449439520.xml · nonDerivative · entry 9

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Karyn Smith Revocable Trust

Disclosed balance after: 8,636

F10 · kind: Represents the shares received by the Reporting Person's trust.

F11 · ownership.nature: The Karyn Smith Revocable Trust U/A/D 9/15/06 Amended 12/23/11, Karyn Smith Trustee.

SEC source: 0001447669-21-000280 · wf-form4_163719449439520.xml · nonDerivative · entry 8

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,499

F9 · kind: Represents shares that were contributed by the Reporting Person to the Reporting Person's trust.

F3 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000280 · wf-form4_163719449439520.xml · nonDerivative · entry 7

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,380

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F3 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000280 · wf-form4_163719449439520.xml · nonDerivative · entry 6

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,382

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $307.9900 to $308.9700 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000280 · wf-form4_163719449439520.xml · nonDerivative · entry 5

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,522

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $306.7700 to $307.7000 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000280 · wf-form4_163719449439520.xml · nonDerivative · entry 4

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,582

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $305.6900 to $306.5801 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000280 · wf-form4_163719449439520.xml · nonDerivative · entry 3

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,703

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $304.6700 to $305.1000 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000280 · wf-form4_163719449439520.xml · nonDerivative · entry 2

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,783

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $303.6500 to $304.6200 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000280 · wf-form4_163719449439520.xml · nonDerivative · entry 1

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,263

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $302.2400 to $303.1100 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000268 · wf-form4_163702038943448.xml · derivative · entry 2

Shipchandler Khozema · CIK 0001737610 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,565

Underlying: Class A Common Stock · 13,565 shares

Expires 2031-11-10

F3 · derivative.exercise_date: The shares subject to the stock option vest as follows: 33% of the stock option shall vest in equal quarterly installments between the first and second anniversaries of December 31, 2021, 33% of the stock option shall vest in equal quarterly installments between the second and third anniversaries of December 31, 2021 and 34% of the stock option shall vest in equal quarterly installments between the third and fourth anniversaries of December 31, 2021, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001447669-21-000268 · wf-form4_163702038943448.xml · nonDerivative · entry 1

Shipchandler Khozema · CIK 0001737610 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,868

F1 · shares: The shares reported in this transaction represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock. The RSUs shall vest as follows: 33% of the RSUs shall vest in equal quarterly installments between the first and second anniversaries of December 31, 2021, 33% of the RSUs shall vest in equal quarterly installments between the second and third anniversaries of December 31, 2021 and 34% of the RSUs shall vest in equal quarterly installments between the third and fourth anniversaries of December 31, 2021, subject to the Reporting Person's continued service to the Issuer through each vesting date.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000272 · wf-form4_163702140657735.xml · derivative · entry 2

Hu George · CIK 0001386396 · Strategic Advisor

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,858

Underlying: Class A Common Stock · 12,608 shares

Expires 2024-02-27

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.

F2 · derivative.exercise_date: The shares subject to the stock option vest as follows: 25% of the stock option vested on February 28, 2018 and the remaining shares subject to the stock option shall vest in equal monthly installments over the following three years, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001447669-21-000272 · wf-form4_163702140657735.xml · nonDerivative · entry 1

Hu George · CIK 0001386396 · Strategic Advisor

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,870

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 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000270 · wf-form4_163702074328656.xml · nonDerivative · entry 1

IMMELT JEFFREY R · CIK 0001233164 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,762

F1 · price: The reported price in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $295.635 to $295.95 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000256 · wf-form4_163459619306619.xml · derivative · entry 5

DALZELL RICHARD L · CIK 0001184753 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,500 shares

Expires not disclosed

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

F3 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001447669-21-000256 · wf-form4_163459619306619.xml · derivative · entry 4

DALZELL RICHARD L · CIK 0001184753 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,500

Underlying: Class A Common Stock · 1,500 shares

Expires not disclosed

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

F3 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001447669-21-000256 · wf-form4_163459619306619.xml · derivative · entry 3

DALZELL RICHARD L · CIK 0001184753 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,500

Underlying: Class B Common Stock · 1,500 shares

Expires 2024-03-24

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

F2 · derivative.exercise_date: The shares subject to the option vested in 36 equal installments commencing on March 25, 2014. The shares subject to the option are fully vested and exercisable by the Reporting Person.

F3 · derivative.underlying: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

SEC source: 0001447669-21-000256 · wf-form4_163459619306619.xml · nonDerivative · entry 2

DALZELL RICHARD L · CIK 0001184753 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,144

F1 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/9/2021.

SEC source: 0001447669-21-000256 · wf-form4_163459619306619.xml · nonDerivative · entry 1

DALZELL RICHARD L · CIK 0001184753 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,644

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: 0001447669-21-000254 · wf-form4_163459593392411.xml · derivative · entry 3

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,158

Underlying: Class A Common Stock · 4,841 shares

Expires 2030-02-21

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

F3 · derivative.exercise_date: The shares subject to the stock option vest as follows: 33% of the stock option shall vest in equal quarterly installments between the first and second anniversaries of December 31, 2019, 33% of the stock option shall vest in equal quarterly installments between the second and third anniversaries of December 31, 2019 and 34% of the stock option shall vest in equal quarterly installments between the third and fourth anniversaries of December 31, 2019, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001447669-21-000254 · wf-form4_163459593392411.xml · nonDerivative · entry 2

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,381

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 9/7/2020.

F1 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000254 · wf-form4_163459593392411.xml · nonDerivative · entry 1

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,222

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 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000252 · wf-form4_163459564895957.xml · derivative · entry 7

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 4,618,322

Underlying: Class A Common Stock · 12,500 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 · security: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_price: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F3 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000252 · wf-form4_163459564895957.xml · derivative · entry 6

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson 2014 Irrevocable Trust

Disclosed balance after: 1,027,205

Underlying: Class A Common Stock · 1,500 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 · security: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_price: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F5 · derivative.exercise_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F5 · derivative.expiration_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F1 · ownership.nature: JP Morgan Trust Company of Delaware Trustee U/A 12/29/14 Lawson 2014 Irrevocable Trust.

SEC source: 0001447669-21-000252 · wf-form4_163459564895957.xml · nonDerivative · entry 4

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 47,091

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/7/2021.

F3 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000252 · wf-form4_163459564895957.xml · nonDerivative · entry 3

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 59,591

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

F3 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000252 · wf-form4_163459564895957.xml · nonDerivative · entry 2

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson 2014 Irrevocable Trust

Disclosed balance after: 0

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/7/2021.

F1 · ownership.nature: JP Morgan Trust Company of Delaware Trustee U/A 12/29/14 Lawson 2014 Irrevocable Trust.

SEC source: 0001447669-21-000252 · wf-form4_163459564895957.xml · nonDerivative · entry 1

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson 2014 Irrevocable Trust

Disclosed balance after: 1,500

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: JP Morgan Trust Company of Delaware Trustee U/A 12/29/14 Lawson 2014 Irrevocable Trust.

SEC source: 0001447669-21-000250 · wf-form4_163363984268903.xml · nonDerivative · entry 1

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,381

F1 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 9/7/2020.

F2 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · derivative · entry 13

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson 2014 Irrevocable Trust

Disclosed balance after: 1,028,705

Underlying: Class A Common Stock · 1,500 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.

F11 · security: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.exercise_price: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.exercise_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.expiration_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F9 · ownership.nature: JP Morgan Trust Company of Delaware Trustee U/A 12/29/14 Lawson 2014 Irrevocable Trust.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · derivative · entry 12

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 4,630,822

Underlying: Class A Common Stock · 12,500 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.

F11 · security: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.exercise_price: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.exercise_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.expiration_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F1 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · nonDerivative · entry 10

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson 2014 Irrevocable Trust

Disclosed balance after: 0

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/7/2021.

F9 · ownership.nature: JP Morgan Trust Company of Delaware Trustee U/A 12/29/14 Lawson 2014 Irrevocable Trust.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · nonDerivative · entry 9

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson 2014 Irrevocable Trust

Disclosed balance after: 1,500

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.

F9 · ownership.nature: JP Morgan Trust Company of Delaware Trustee U/A 12/29/14 Lawson 2014 Irrevocable Trust.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · nonDerivative · entry 8

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 47,091

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/7/2021.

F1 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · nonDerivative · entry 7

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 47,194

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/7/2021.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $320.36 to $321.2 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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.

F1 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · nonDerivative · entry 6

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 51,052

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/7/2021.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $319.07 to $319.77 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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.

F1 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · nonDerivative · entry 5

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 52,087

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/7/2021.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $318.01 to $318.675 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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.

F1 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · nonDerivative · entry 4

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 53,162

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/7/2021.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $316.955 to $317.5 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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.

F1 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · nonDerivative · entry 3

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 55,382

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/7/2021.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $315.72 to $316.67 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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.

F1 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · nonDerivative · entry 2

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 56,057

F2 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/7/2021.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.63 to $315.56 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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.

F1 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000248 · wf-form4_163355662240337.xml · nonDerivative · entry 1

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 59,591

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: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001447669-21-000246 · wf-form4_163338478234436.xml · derivative · entry 10

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,072

Underlying: Class A Common Stock · 3,225 shares

Expires 2028-10-31

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.

F11 · derivative.exercise_date: The shares subject to the stock option vest as follows: 25% of the stock option shall vest on November 1, 2019, and the remaining shares subject to the stock option shall vest in equal monthly installments over the following three years, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001447669-21-000246 · wf-form4_163338478234436.xml · nonDerivative · entry 9

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,604

F10 · kind: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 9/7/2020.

F3 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000246 · wf-form4_163338478234436.xml · nonDerivative · entry 8

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,829

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

F3 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000246 · wf-form4_163338478234436.xml · nonDerivative · entry 7

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,604

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $318.99 to $318.99 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000246 · wf-form4_163338478234436.xml · nonDerivative · entry 6

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,624

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $317.88 to $318.525 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000246 · wf-form4_163338478234436.xml · nonDerivative · entry 5

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,664

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $315.51 to $316.18 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000246 · wf-form4_163338478234436.xml · nonDerivative · entry 4

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,795

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $314.48 to $315.38 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

SEC source: 0001447669-21-000246 · wf-form4_163338478234436.xml · nonDerivative · entry 3

Shipchandler Khozema · CIK 0001737610 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,095

F1 · shares: Represents the number of shares sold to cover the statutory tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs"). This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of minimum statutory tax withholding obligations to be funded by a "sell-to-cover" transaction and does not represent a discretionary sale by the Reporting Person.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $313.42 to $314.16 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to 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 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.