X0303 4 2010-01-29 0 0001131907 MICROMET, INC. MITI 0001362236 Hennecke Jens PARISER STRASSE 34 MUNCHEN 2M 81667 GERMANY 0 1 0 0 SVP Business Development Stock Option (right to buy) 3.16 2010-01-29 4 A 0 36458 0 A 2010-01-29 2019-03-31 Common Stock 36458 36458 D On April 1, 2009, the Reporting Person was granted an option to purchase 62,500 shares of common stock, which was scheduled to vest based on the issuer's achievement of specified corporate performance criteria. On January 29, 2010, the compensation committee of the issuer's board of directors determined that the performance criteria were partially met, resulting in vesting of the option as to 36,458 shares. /s/ Ethan Danfer, Attorney-in-Fact 2010-02-02