Khozema Shipchandler - 14 Oct 2021 Form 4 Insider Report for TWILIO INC (TWLO)

Role: Chief Financial Officer
Signature: /s/ Bryan Warner as attorney in fact for Reporting Person
Issuer symbol: TWLO
Transactions as of: 14 Oct 2021
Net transactions value: -$1,137,925
Form type: 4
Filing time: 18 Oct 2021, 18:25:50 UTC
Previous filing: 07 Oct 2021
Next filing: 15 Nov 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TWLO	Class A Common Stock	Options Exercise	$570,948	+4,841	+7.1%	$117.94	73,222	14 Oct 2021	Direct	F1
transaction	TWLO	Class A Common Stock	Sale	$1,708,873	-4,841	-6.6%	$353.00^*	68,381	14 Oct 2021	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	TWLO	Employee Stock Option (right to buy)	Options Exercise	$0	-4,841	-9.9%	$0.000000	44,158	14 Oct 2021	Class A Common Stock	4,841	$117.94	Direct	F3
holding	TWLO	Employee Stock Option (right to buy)						45,072	14 Oct 2021	Class A Common Stock	45,072	$76.63	Direct	F4
holding	TWLO	Employee Stock Option (right to buy)						18,126	14 Oct 2021	Class A Common Stock	18,126	$377.59	Direct	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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.
F2	The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 9/7/2020.
F3	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.
F4	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.
F5	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, 2020, 33% of the stock option shall vest in equal quarterly installments between the second and third anniversaries of December 31, 2020 and 34% of the stock option shall vest in equal quarterly installments between the third and fourth anniversaries of December 31, 2020, subject to the Reporting Person's continued service to the Issuer through each vesting date.