http://www.sec.gov/Archives/edgar/data/1697532/000104746919003094/a2238746z424b4.htm
http://www.sec.gov/Archives/edgar/data/1592386/000104746919003098/a2238811z424b5.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036119009061/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036119009120/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1126956/000119312519146653/d706898d424b5.htm