Company Story
1987 - Gilead Sciences, Inc. was founded by Michael L. Riordan
1991 - Gilead Sciences went public with an initial public offering (IPO)
1996 - Gilead Sciences acquired NeXstar Pharmaceuticals, Inc.
2002 - Gilead Sciences launched Viread (tenofovir disoproxil fumarate) for HIV treatment
2004 - Gilead Sciences acquired Corus Pharma, Inc.
2006 - Gilead Sciences launched Truvada (emtricitabine/tenofovir disoproxil fumarate) for HIV prevention
2011 - Gilead Sciences acquired Calistoga Pharmaceuticals, Inc.
2012 - Gilead Sciences launched Stribild (elvitegravir/cobicistat/emtricitabine/tenofovir disoproxil fumarate) for HIV treatment
2014 - Gilead Sciences acquired Pharmasset, Inc. and launched Sovaldi (sofosbuvir) for hepatitis C treatment
2015 - Gilead Sciences launched Harvoni (ledipasvir/sofosbuvir) for hepatitis C treatment