X0303 4/A 2009-12-23 2009-12-28 0 0001340752 Molecular Insight Pharmaceuticals, Inc. MIPI 0001299065 Barlow David S 640 LEWIS WHARF BOSTON MA 02110 0 0 1 0 common stock 2009-12-23 4 S 0 2000 2.31 D 2681677 D common stock 2009-12-23 4 S 0 2000 2.32 D 2679677 D common stock 2009-12-23 4 S 0 1000 2.33 D 2678677 D common stock 2009-12-23 4 S 0 1000 2.33 D 2677677 D common stock 2009-12-23 4 S 0 900 2.37 D 2676777 D common stock 2009-12-23 4 S 0 2000 2.4 D 2674777 D common stock 2009-12-23 4 S 0 2000 2.41 D 2672777 D common stock 2009-12-23 4 S 0 1000 2.41 D 2671777 D common stock 2000-12-23 4 S 0 1000 2.42 D 2670777 D common stock 2009-12-23 4 S 0 100 2.36 D 2670677 D common stock 2009-12-24 4 S 0 1000 2.34 D 2669677 D common stock 2009-12-24 4 S 0 500 2.34 D 2669177 D common stock 2009-12-24 4 S 0 500 2.34 D 2668677 D common stock 2009-12-24 4 S 0 500 2.34 D 2668177 D FORM 4 IS BEING AMENDED TO PROPERLY SHOW MR. DAVID BARLOW AS A 10% OWNER, NOT A 10% OWNER AND DIRECTOR. ADDITIONALLY, WE HAVE ATTACHED THE CONSENT FORM, SIGNED BY MR. DAVID BARLOW, WHICH ALLOWS MR. WILLIAM F. RUCCI JR., CPA, MST, TO SIGN FORM 4 ON THE BEHALF OF MR. DAVID BARLOW, ACTING AS AN ATTORNEY IN FACT. MR. WILLIAM F. RUCCI JR., CPA, MST, AS ATTORNEY-IN-FACT FOR DAVID S. BARLOW 2009-01-06