The US development rights to Botulax are owned by a JV of Hugel and an Austrian company called Choma-Pharma (http://www.theinvestor.co.kr/view.php?ud=20181204000586 ); however, it’s unclear whether—or when—this JV might make a serious attempt to bring Botulax to the US market.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”