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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Cox Christopher K   2. Issuer Name and Ticker or Trading Symbol Facebook Inc [FB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Product Officer (Last) (First) (Middle) C/O FACEBOOK, INC., 1601 WILLOW ROAD 3. Date of Earliest Transaction (Month/Day/Year) 05/15/2016 (Street) MENLO PARK, CA 94025 4. If Amendment, Date 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 (City) (State) (Zip) 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 05/15/2016   C   11,371 (1) A $ 0 398,287 D   Class A Common Stock 05/15/2016   C   86,584 (1) A $ 0 484,871 D   Class A Common Stock 05/15/2016   M   10,022 A $ 0 494,893 D   Class A Common Stock 05/16/2016   S   40,544 (2) D $ 117.9721 (3) 454,349 D   Class A Common Stock 05/16/2016   S   14,000 (2) D $ 118.5926 (4) 440,349 D   Class A Common Stock 05/16/2016   S   1,800 (2) D $ 119.4211 (5) 438,549 D   Class A Common Stock 05/16/2016   S(6)   12,900 D $ 117.8508 (7) 425,649 D   Class A Common Stock 05/16/2016   S(6)   2,300 D $ 119.0504 (8) 423,349 D   Class A Common Stock 05/16/2016   S(6)   400 D $ 119.465 (9) 422,949 D   Class A Common Stock               76,945 I By Christopher K. Cox Revocable Trust (10) Class A Common Stock               28,816 I By Remainder Interest Trust Created Under The Christopher K. Cox 2009 Annuity Trust Dated 5/29/2009 (11)

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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 Underlying Securities (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
Restricted Stock Unit (RSU) (Class B)	(12)	05/15/2016		M			11,371	(13)	08/25/2019	Class B Common Stock (14)	11,371	$ 0	170,557	D
Class B Common Stock (14)	(14)	05/15/2016		M		11,371		(14)	(14)	Class A Common Stock	11,371	$ 0	11,371	D
Class B Common Stock (14)	(14)	05/15/2016		C			11,371 (15)	(14)	(14)	Class A Common Stock	11,371	$ 0	0	D
Restricted Stock Unit (RSU) (Class B)	(12)	05/15/2016		M			86,584	(16)	08/25/2020	Class B Common Stock (14)	86,584	$ 0	346,336	D
Class B Common Stock (14)	(14)	05/15/2016		M		86,584		(14)	(14)	Class A Common Stock	86,584	$ 0	86,584	D
Class B Common Stock (14)	(14)	05/15/2016		C			86,584 (15)	(14)	(14)	Class A Common Stock	86,584	$ 0	0	D
Restricted Stock Units (RSU) (Class A)	(17)	05/15/2016		M			10,022	(18)	03/16/2024	Class A Common Stock	10,022	$ 0	150,338	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Cox Christopher K C/O FACEBOOK, INC. 1601 WILLOW ROAD MENLO PARK, CA 94025			Chief Product Officer

Signatures

/s/ Michael Johnson as attorney-in-fact for Christopher K. Cox		05/17/2016
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Represents the number of shares that were acquired upon conversion of Class B Common Stock to Class A Common Stock in connection with the settlement of the Restricted Stock Units ("RSUs") listed in Table II.
(2)	Represents the number of shares required to be sold by the reporting person to cover tax withholding obligations in connection with the vesting of the RSUs listed in Table II. This sale is mandated by the Issuer's election under its equity incentive plans to require the satisfaction of tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.
(3)	The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.37 to $118.36 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or 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.
(4)	The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.37 to $119.33 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or 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.
(5)	The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $119.38 to $119.54 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or 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.
(6)	The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
(7)	The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.40 to $118.38 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or 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.
(8)	The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.41 to $119.38 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or 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.
(9)	The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $119.44 to $119.48 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or 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.
(10)	Shares held of record by Christopher Cox, Trustee of the Christopher K. Cox Revocable Trust.
(11)	Shares held of record by Remainder Interest Trust Created under the Christopher K. Cox 2009 Annuity Trust dated 5/29/2009, Visra Vichit-Vadakan, Trustee, the beneficiaries of which include the reporting person's children. The reporting person's spouse is trustee of the trust. The reporting person disclaims beneficial ownership of these shares, and the filing of this report is not an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.
(12)	Each RSU represents a contingent right to receive 1 share of the issuer's Class B Common Stock upon settlement.
(13)	The RSUs vest as to 1/48 of the total number of shares monthly, beginning on September 1, 2013, subject to continued service through each vesting date.
(14)	The Class B Common Stock is convertible into the issuer's Class A Common Stock on a 1-for-1 basis (a) at the holder's option or (b) upon certain transfers of such shares, and has no expiration date.
(15)	The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.
(16)	The RSUs vest as to 1/16th of the total number of shares quarterly, beginning on August 15, 2013, subject to continued service through each vesting date.
(17)	Each RSU represents a contingent right to receive 1 share of the issuer's Class A Common Stock upon settlement.
(18)	The RSUs vest as to 1/16th of the total shares quarterly, beginning on May 15, 2016, subject to continued service through each vesting date.

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