Ownership Submission
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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Sandberg Sheryl
  2. Issuer Name and Ticker or Trading Symbol
Facebook Inc [FB]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Operating Officer
(Last)
(First)
(Middle)
C/O FACEBOOK, INC., 1601 WILLOW ROAD
3. Date of Earliest Transaction (Month/Day/Year)
12/27/2018
(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 12/27/2018   C   55,000 (1) A $ 0 1,290,157 I By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004 (2)
Class A Common Stock 12/27/2018   S(3)   10,678 D $ 130.5963 (4) 1,279,479 I By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004 (2)
Class A Common Stock 12/27/2018   S(3)   16,421 D $ 131.4551 (5) 1,263,058 I By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004 (2)
Class A Common Stock 12/27/2018   S(3)   15,611 D $ 132.4907 (6) 1,247,447 I By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004 (2)
Class A Common Stock 12/27/2018   S(3)   7,246 D $ 133.5145 (7) 1,240,201 I By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004 (2)
Class A Common Stock 12/27/2018   S(3)   5,044 D $ 134.2628 (8) 1,235,157 I By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004 (2)

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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
Stock Option (Right to Buy Class B Common Stock) $ 10.388 12/27/2018   M     55,000   (9) 07/22/2020 Class B Common Stock (10) 55,000 $ 0 213,334 I By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004 (11)
Class B Common Stock (10) (10) 12/27/2018   M   55,000     (10)   (10) Class A Common Stock 55,000 $ 0 55,000 I By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004 (2)
Class B Common Stock (10) (10) 12/27/2018   C     55,000 (12)   (10)   (10) Class A Common Stock 55,000 $ 0 0 I By Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004 (2)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Sandberg Sheryl
C/O FACEBOOK, INC.
1601 WILLOW ROAD
MENLO PARK, CA 94025
  X     Chief Operating Officer  

Signatures

 /s/ Michael Johnson as attorney-in-fact for Sheryl K. Sandberg   12/28/2018
**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 the conversion of Class B Common Stock to Class A Common Stock in connection with the exercise of the stock option listed in Table II.
(2) Shares held of record by Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004.
(3) The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the holder.
(4) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.965 to $130.95 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written 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 $130.985 to $131.945 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(6) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.00 to $132.955 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(7) The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.055 to $134.035 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written 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 $134.12 to $134.535 per share, inclusive. The holder undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(9) The option vests as to 1/48th of the total shares monthly, beginning on May 1, 2013, subject to continued service through each vesting date.
(10) 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.
(11) Options held of record by Sheryl K. Sandberg, Trustee of Sheryl K. Sandberg Revocable Trust UTA dated September 3, 2004.
(12) The holder elected to convert the shares of Class B Common Stock into Class A Common Stock on a 1-for-1 basis.

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