Date,Symbol,Name,Last Sale,Net Change,% Change,Market Cap,Country,IPO Year,Volume,Sector,Industry 20250729,ALT,Altimmune Inc. Common Stock,$3.83,-0.2,-4.963%,310639707.0,United States,nan,3780636,Health Care,Biotechnology: Pharmaceutical Preparations 20250730,ALT,Altimmune Inc. Common Stock,$3.65,-0.18,-4.70%,296040451.0,United States,nan,3302802,Health Care,Biotechnology: Pharmaceutical Preparations 20250731,ALT,Altimmune Inc. Common Stock,$3.69,0.04,1.096%,299284730.0,United States,nan,2732702,Health Care,Biotechnology: Pharmaceutical Preparations