X0201 42003-09-1110000913610SANGSTAT MEDICAL CORP SANG0001221594PRASAD RAYASAM S6300 DUMBARTON CIRCLEFREMONTCA945550100SVP WW Reg Affairs & CompliancCommon Stock2003-09-114M01895621.1A18956DCommon Stock2003-09-114D01895622.5D0DCommon Stock2003-09-114M03104421.1A31044DCommon Stock2003-09-114D03104422.5D0DOptions to Purchase Common Stock21.12003-09-114M01895621.1A2003-09-112012-06-03Common Stock189560DOptions to Purchase Common Stock21.12003-09-114M03104421.1A2003-09-112012-06-03Common Stock310440DOption vesting was accelerated and the underlying common stock and all other common stock owned by the reporting person was acquired by Genzyme Corporation ("Genzyme") pursuant to the Agreement and Plan of Merger by and among Genzyme, Swift Starboard Corporation and SangStat Medical Corporation.See attached footnote page.Tamiko F. Lewis, Attorney-in-Fact for Rayasam Prasad2003-09-15