X0304 5 2011-12-31 0 0 0 0001047884 ANWORTH MORTGAGE ASSET CORP ANH 0001209607 BLACK CHARLES C/O ANWORTH MORTGAGE ASSET CORPORATION 1299 OCEAN AVENUE, SECOND FLOOR SANTA MONICA CA 90401 1 0 0 0 Common Stock 22374 D Restricted Stock Unit Common Stock 6000 6000 D Stock Option (right to buy) 11.20 2003-10-04 2012-10-04 Common Stock 10000 10000 D Stock Option (right to buy) 13.80 2004-05-01 2013-05-01 Common Stock 12100 12100 D Includes 5,284 shares acquired from dividend reinvestment through the Anworth Mortgage Asset Corporation Dividend Reinvestment and Stock Purchase Plan (the "Plan") from 2006 to 2010 and 2,207 shares acquired from dividend reinvestment through the Plan during 2011. 1-for-1. The Restricted Stock Units vest upon the reporting person's retirement from the board of directors. /s/ Charles Black 2012-02-13