X0303 4/A 2009-12-18 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 2009-12-18 4 S 0 500 2.27 D 2694977 D common stock 2009-12-18 4 S 0 500 2.26 D 2694477 D common stock 2009-12-18 4 S 0 500 2.25 D 2693977 D common stock 2009-12-18 4 S 0 500 2.25 D 2693477 D common stock 2009-12-18 4 S 0 500 2.25 D 2692977 D common stock 2009-12-18 4 S 0 500 2.25 D 2692477 D common stock 2009-12-18 4 S 0 500 2.25 D 2691977 D common stock 2009-12-18 4 S 0 500 2.28 D 2691477 D common stock 2009-12-18 4 S 0 500 2.25 D 2690977 D common stock 2009-12-18 4 S 0 500 2.25 D 2690477 D common stock 2009-12-18 4 S 0 500 2.24 D 2689977 D common stock 2009-12-21 4 S 0 300 2.33 D 2689677 D common stock 2009-12-21 4 S 0 500 2.32 D 2689177 D common stock 2009-12-21 4 S 0 500 2.33 D 2688677 D common stock 2009-12-21 4 S 0 500 2.33 D 2688177 D common stock 2009-12-21 4 S 0 500 2.33 D 2687677 D common stock 2009-12-21 4 S 0 500 2.33 D 2687177 D common stock 2009-12-21 4 S 0 500 2.33 D 2686677 D common stock 2009-12-21 4 S 0 200 2.32 D 2686477 D common stock 2009-12-21 4 S 0 500 2.33 D 2685977 D common stock 2009-12-21 4 S 0 500 2.37 D 2685477 D common stock 2009-12-21 4 S 0 500 2.37 D 2684977 D common stock 2009-12-21 4 S 0 500 2.34 D 2684477 D common stock 2009-12-21 4 S 0 500 2.35 D 2683977 D common stock 2009-12-21 4 S 0 300 2.3 D 2683677 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