http://www.sec.gov/Archives/edgar/data/1812807/000092963820000728/a424b5.htm
http://www.sec.gov/Archives/edgar/data/1757097/000104746920004069/a2242053z424b4.htm
http://www.sec.gov/Archives/edgar/data/1679826/000104746920004074/a2242044z424b4.htm
http://www.sec.gov/Archives/edgar/data/1000275/000114036120015777/form424b2.htm
http://www.sec.gov/Archives/edgar/data/1661460/000119312520191150/d872388d424b4.htm