Monsanto Monsanto The Monsanto Company () was an American agrochemical and agricultural biotechnology corporation that existed from 1901 until 2018 when it was acquired by Bayer. It was headquartered in Creve Coeur, Missouri. Monsanto developed Roundup, a glyphosate-based herbicide in the 1970s, and became a major producer of genetically engineered crops. Monsanto was one of four groups to introduce genes into plants (1983), and was among the first to conduct field trials of genetically modified crops, (1987). It was one of the top 10 U.S. chemical companies until it divested most of its chemical businesses between 1997 and 2002, through a
Monsanto part. Organizers planned a second day of protests in May 2014, and in a statement released before the event said that millions of activists would join marches in over 400 cities in 52 countries on six continents. The day of protest took place on May 24. From 2009 to 2011, Monsanto improperly accounted for incentive rebates. The actions inflated Monsanto's reported profit by $31 million over the two years. Monsanto paid $80 million in penalties pursuant to a subsequent settlement with the US Securities and Exchange Commission. Monsanto materially misstated its consolidated earnings in response to losing market share of