1、 SECURITIES AND EXCHANGE COMMISSION WASHINGTON,D.C.20549 FORM 10-K (MARK ONE)X ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED:DECEMBER 31,2011 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934 FOR
2、 THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER:1-33796 CHIMERA INVESTMENT CORPORATION (Exact Name of Registrant as Specified in its Charter)(646)454-3759 (Registrants telephone number,including area code)Securities registered pursuant to Section 12(b)of the Act:Title of Each Class Name of Eac
3、h Exchange on Which Registered Common Stock,par value$.01 per share New York Stock Exchange Securities registered pursuant to Section 12(g)of the Act:None.Indicate by check mark whether the Registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities Act.Yes No X Indicate by c
4、heck mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d)of the Act.Yes No X 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 during the preceding 12 month
5、s(or for such shorter period that the Registrant was required to file such reports),and(2)has been subject to such filing requirements for the past 90 days:Yes _ No X MARYLAND 26-0630461 (State or other jurisdiction of incorporation of organization)(I.R.S.Employer Identification Number)1211 Avenue o
6、f the Americas,Suite 2902 New York,New York 10036 (Address of Principal Executive Offices)(Zip Code)Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site,if any,every Interactive Data File required to be submitted and posted pursuant to Rule