FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Lawson Jeff 		2. Issuer Name and Ticker or Trading Symbol

TWILIO INC [ TWLO ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      __ X __ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Chief Executive Officer
(Last)          (First)          (Middle)

C/O TWILIO INC., 645 HARRISON STREET, FL 3 		3. Date of Earliest Transaction (MM/DD/YYYY)

10/20/2016
(Street)

SAN FRANCISCO, CA 94107
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock   10/20/2016     C    63333   A $0   63333   D    
Class A Common Stock   10/20/2016     C    35908   A $0   35908   I   By Lawson 2014 Irrevocable Trust   (1)
Class A Common Stock   10/20/2016     C    82263   A $0   82263   I   By Lawson 2014 GRAT   (2)
Class A Common Stock   10/20/2016     C    649473   A $0   649473   I   By Lawson Revocable Trust   (3)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy)   $10.09   10/20/2016     M         63333      (4) 12/30/2025   Class B Common Stock   63333   $0   316667   D    
Class B Common Stock     (5) 10/20/2016     M      63333         (5)   (5) Class A Common Stock   63333   $0   217708   (6) D    
Class B Common Stock     (5) 10/20/2016     C         63333      (5)   (5) Class A Common Stock   63333   $0   154375   (6) D    
Class B Common Stock     (5) 10/20/2016     C         35908      (5)   (5) Class A Common Stock   35908   $0   323170   I   By Lawson 2014 Irrevocable Trust   (1)
Class B Common Stock     (5) 10/20/2016     C         82263      (5)   (5) Class A Common Stock   82263   $0   740364   I   By Lawson 2014 GRAT   (2)
Class B Common Stock     (5) 10/20/2016     C         649473      (5)   (5) Class A Common Stock   649473   $0   6421908   I   By Lawson Revocable Trust   (3)

Explanation of Responses:
( 1)  JP Morgan Trust Company of Delaware Trustee U/A 12/29/14 Lawson 2014 Irrevocable Trust.
( 2)  Jeffrey Gordon Lawson Trustee of the Lawson 2014 GRAT dated 12/29/14.
( 3)  Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.
( 4)  The shares subject to this option vest in 48 equal monthly installments, with the first installment on February 15, 2016, subject to the Reporting Person's continuous service to the Issuer on each such date. The option is early exercisable by the Reporting Person.
( 5)  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.
( 6)  A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class B common stock.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Lawson Jeff
C/O TWILIO INC.
645 HARRISON STREET, FL 3
SAN FRANCISCO, CA 94107 		X X Chief Executive Officer

Signatures
/s/ Alexis Rhorer as attorney in fact for Reporting Person 10/24/2016
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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