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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 May 19, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000077.pdf 0000790816-15-000077.rtf View HTML May 15, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000075.pdf 0000790816-15-000075.rtf View HTML April 28, 2015 10-Q Quarterly report which provides a continuing view of a company's financial position Quarterly Filings 0000790816-15-000073.pdf 0000790816-15-000073.rtf 0000790816-15-000073.xls EX-101.INS - XBRL INSTANCE DOCUMENT View HTML April 23, 2015 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-15-000071.pdf 0000790816-15-000071.rtf 0000790816-15-000071.xls View HTML April 17, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000063.pdf 0000790816-15-000063.rtf View HTML April 17, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000066.pdf 0000790816-15-000066.rtf View HTML April 17, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000067.pdf 0000790816-15-000067.rtf View HTML April 17, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000064.pdf 0000790816-15-000064.rtf View HTML April 17, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000065.pdf 0000790816-15-000065.rtf View HTML April 17, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000068.pdf 0000790816-15-000068.rtf View HTML Pagination First page « First Previous page ‹ Previous … Page 52 Page 53 Page 54 Page 55 Current page 56 Page 57 Page 58 Page 59 Page 60 … Next page Next › Last page Last » Data provided by Kaleidoscope.
