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SEC Filings Group 3,4,5Annual FilingsCurrent ReportsMergers & AcquisitionsOtherProxy FilingsQuarterly FilingsRegistration Statements Filing year - Any -202420232022202120202019201820172016201520142013201220112010200920082007200620052004200320022001200019991998199719961995 Items per page 102550 Filing date Form Description Filing Group View October 29, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000120.pdf 0000790816-13-000120.rtf View HTML October 24, 2013 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-13-000118.pdf 0000790816-13-000118.rtf 0000790816-13-000118.xls View HTML October 22, 2013 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-13-000116.pdf 0000790816-13-000116.rtf 0000790816-13-000116.xls View HTML October 07, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000114.pdf 0000790816-13-000114.rtf View HTML September 18, 2013 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-13-000112.pdf 0000790816-13-000112.rtf 0000790816-13-000112.xls View HTML September 11, 2013 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-13-000110.pdf 0000790816-13-000110.rtf 0000790816-13-000110.xls View HTML August 07, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000108.pdf 0000790816-13-000108.rtf View HTML August 06, 2013 10-Q Quarterly report which provides a continuing view of a company's financial position Quarterly Filings 0000790816-13-000106.pdf 0000790816-13-000106.rtf 0000790816-13-000106.xls EX-101.INS - XBRL INSTANCE DOCUMENT View HTML July 25, 2013 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-13-000104.pdf 0000790816-13-000104.rtf 0000790816-13-000104.xls View HTML July 03, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000102.pdf 0000790816-13-000102.rtf View HTML Pagination First page « First Previous page ‹ Previous … Page 65 Page 66 Page 67 Page 68 Current page 69 Page 70 Page 71 Page 72 Page 73 … Next page Next › Last page Last » Data provided by Kaleidoscope.
