.s . securities and exchange commission ( "sec" ) . the public may read and copy any materials filed with the sec at the sec 2019s public reference room at 100 f street , n.e. , washington , d.c . 20549 . the public may obtain information on the operation of the public reference room by calling the sec at 1-800-sec-0330 . also , the sec maintains an internet website that contains reports , proxy and information statements , and other information regarding issuers that file electronically with the sec