Emergent BioSolutions Inc.'s shares surged over 16% in extended trading on Wednesday after advisory committees for the United States Food and Drug Administration recommended selling its nasal spray Narcan over the counter.
The spray is a "treatment of known or suspected opioid overdose, as manifested by respiratory and/or central nervous system depression," according to the FDA, which is expected to announce its final formal decision on Narcan by March 29, 2023.
Emergent BioSolutions jumped 16.09% in after-hours trading.