Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,MRSN,Mersana Therapeutics Inc. Common Stock,$6.95,0.12,1.757%,34647515.0,United States,2017.0,190099,Health Care,Biotechnology: Pharmaceutical Preparations 20250730,MRSN,Mersana Therapeutics Inc. Common Stock,$6.75,-0.2,-2.878%,33650465.0,United States,2017.0,142163,Health Care,Biotechnology: Pharmaceutical Preparations 20250731,MRSN,Mersana Therapeutics Inc. Common Stock,$6.85,0.1,1.481%,34148990.0,United States,2017.0,107586,Health Care,Biotechnology: Pharmaceutical Preparations