| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date | AHRENS RONALD A Director | Purchase 18-May-09 | 8,781 18-May-09 | GALVAN MARTIN P Officer | Acquisition (Non Open Market) 23-Oct-09 | 21,019 23-Oct-09 | GORMAN KIRK E Director | Purchase 15-May-09 | 7,281 15-May-09 | GUIDANT INVESTMENT CORP Beneficial Owner (10% or more) | Sale 25-Mar-08 | 787,873 25-Mar-08 | IMPERATO JOHN F Officer | Acquisition (Non Open Market) 23-Oct-09 | 31,269 23-Oct-09 | MARGOLIES MATTHEW Officer | Acquisition (Non Open Market) 23-Oct-09 | 23,371 23-Oct-09 | MCNAMARA ANNA Officer | Acquisition (Non Open Market) 23-Oct-09 | 40,548 23-Oct-09 | MIDDLETON FRED A Director | Acquisition (Non Open Market) 8-May-09 | 256,350 8-May-09 | MYERS WOODROW A JR Director | Acquisition (Non Open Market) 22-Jan-09 | 9,614 22-Jan-09 | PRYSTOWSKY ERIC N Director | Purchase 15-May-09 | 10,146 15-May-09 | REIN HARRY T Director | Option Exercise 19-Sep-08 | 22,500 19-Sep-08 | RIMEL REBECCA W Director | Acquisition (Non Open Market) 8-May-09 | 9,054 8-May-09 | RUBIN ROBERT JOSEPH Director | Acquisition (Non Open Market) 8-May-09 | 30,345 8-May-09 | SANDERLING VENTURE PARTNERS IV, L.P. Beneficial Owner (10% or more) | Sale 6-Aug-08 | 354,065 6-Aug-08 | SWEENEY JAMES M Director | Sale 6-Aug-08 | 635,966 6-Aug-08 | THURMAN RANDY H Officer | Acquisition (Non Open Market) 23-Oct-09 | 212,536 23-Oct-09 |
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