1、 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington,D.C.20549 _FORM 10-K_(Mark One)ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31,2013 or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE AC
2、T OF 1934 For the transition period from to Commission File Number:001-35551 _FACEBOOK,INC.(Exact name of registrant as specified in its charter)_ Delaware20-1665019(State or other jurisdiction of incorporation or organization)(I.R.S.Employer Identification Number)1601 Willow Road,Menlo Park,Califor
3、nia 94025(Address of principal executive offices and Zip Code)(650)543-4800(Registrants telephone number,including area code)_Securities registered pursuant to Section 12(b)of the Act:Class A Common Stock,$0.000006 par valueThe NASDAQ Stock Market LLC(Title of each class)(Name of each exchange on wh
4、ich registered)Securities registered pursuant to Section 12(g)of the Act:None(Title of class)Indicate by check mark if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities Act.Yes No Indicate by check mark if the registrant is not required to file reports pursuant
5、to Section 13 or Section 15(d)of the Act.Yes No Indicate by check mark whether the registrant(1)has filed all reports required to be filed by Section 13 or 15(d)of the Securities Exchange Act of 1934(Exchange Act)during the preceding 12 months(or for such shorter period that the registrant was requi
6、red to file such reports),and(2)has been subject to such filing requirements for the past 90 days.Yes No Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website,if any,every Interactive Data File required to be submitted and posted pursuant to R