SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* UNION SQUARE VENTURES 2008 LP (Last) (First) (Middle) 915 BROADWAY 19TH FLOOR (Street) NEW YORK NY 10010 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol TWILIO INC [ TWLO ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 10/14/2016
	4. If Amendment, Date of Original Filed (Month/Day/Year)	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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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	10/14/2016		C		9,818,262	A	$0.00	9,818,262	D(1)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: 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
Class B Common Stock	(2)	10/14/2016		C			9,818,262	(2)	(2)	Class A Common Stock	9,818,262	$0.00	0	D

Explanation of Responses:

1. Union Square GP 2008, L.L.C. ("USV GP") is the general partner of Union Square Ventures 2008, LP ("USV 2008"), and, as such, has the power to vote and dispose of the shares held by USV 2008. Brad Burnham ("Burnham"), Albert Wenger ("Wenger") and Fred Wilson ("Wilson") are the managing members of USV GP and, therefore, share voting and investment power with regard to the shares held directly by USV 2008. As a result of their positions at USV GP, Burnham, Wenger and Wilson may also share voting and dispositive power of the shares held by USV 2008. Each of USV GP, Burnham, Wenger and Wilson disclaim beneficial ownership of the shares owned by USV 2008 except to the extent of his or its respective pecuniary interest therein.

2. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at any time and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, except for certain permitted transfers described in, and transfers to any "Permitted Transferee" as defined in, the Issuer's restated certificate of incorporation, or the death of the stockholder. All shares of Class B Common Stock will convert automatically into shares of Class A Common Stock upon the earliest to occur of the following: (a) October 18, 2023 or (b) the election of the holders of two-thirds of the outstanding shares of Class B Common Stock.

Remarks:

	Albert Wenger, as a Managing Member of Union Square GP 2008, L.L.C., the General Partner of Union Square Ventures 2008, L.P.	12/12/2016
	** 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).
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