RICHARD L. DALZELL - 16 Sep 2021 Form 4 Insider Report for TWILIO INC (TWLO)

Role: Director
Signature: /s/ Mariam Sattar as attorney in fact for Reporting Person
Issuer symbol: TWLO
Transactions as of: 16 Sep 2021
Net transactions value: -$511,035
Form type: 4
Filing time: 20 Sep 2021, 16:56:22 UTC
Previous filing: 17 Sep 2021
Next filing: 18 Oct 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	Conversion of derivative security	$0	+1,500	+11%	$0.000000	14,644	16 Sep 2021	Direct
transaction	TWLO	Class A Common Stock	Sale	$511,035	-1,500	-10%	$340.69^*	13,144	16 Sep 2021	Direct	F1

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	-1,500	-1.8%	$0.000000	81,000	16 Sep 2021	Class B Common Stock	1,500	$3.86	Direct	F2, F3
transaction	TWLO	Class B Common Stock	Options Exercise	$0	+1,500		$0.000000	1,500	16 Sep 2021	Class A Common Stock	1,500		Direct	F3
transaction	TWLO	Class B Common Stock	Conversion of derivative security	$0	-1,500	-100%	$0.000000^*	0	16 Sep 2021	Class A Common Stock	1,500		Direct	F3

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

Explanation of Responses:

Id	Content
F1	The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/9/2021.
F2	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	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.