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SEC Filings Group 3,4,5Annual FilingsCurrent ReportsMergers & AcquisitionsOtherProxy FilingsQuarterly FilingsRegistration Statements Filing year - Any -2025202420232022202120202019201820172016201520142013201220112010200920082007200620052004200320022001200019991998199719961995 Items per page 102550 Filing date Form Description Filing Group View September 10, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000122.pdf 0000790816-12-000122.rtf View HTML August 24, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000120.pdf 0000790816-12-000120.rtf View HTML August 09, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000118.pdf 0000790816-12-000118.rtf View HTML August 06, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000116.pdf 0000790816-12-000116.rtf View HTML August 03, 2012 10-Q Quarterly report which provides a continuing view of a company's financial position Quarterly Filings 0000790816-12-000114.pdf 0000790816-12-000114.rtf 0000790816-12-000114.xls EX-101.INS - XBRL INSTANCE DOCUMENT View HTML July 26, 2012 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-12-000112.pdf 0000790816-12-000112.rtf 0000790816-12-000112.xls View HTML July 24, 2012 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-12-000110.pdf 0000790816-12-000110.rtf 0000790816-12-000110.xls View HTML July 05, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000106.pdf 0000790816-12-000106.rtf View HTML July 05, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000107.pdf 0000790816-12-000107.rtf View HTML July 03, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000103.pdf 0000790816-12-000103.rtf View HTML Pagination First page « First Previous page ‹ Previous … Page 74 Page 75 Page 76 Page 77 Current page 78 Page 79 Page 80 Page 81 Page 82 … Next page Next › Last page Last » Data provided by Kaleidoscope.