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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 February 27, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000029.pdf 0000790816-13-000029.rtf View HTML February 27, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000033.pdf 0000790816-13-000033.rtf View HTML February 27, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000032.pdf 0000790816-13-000032.rtf View HTML February 27, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000030.pdf 0000790816-13-000030.rtf View HTML February 27, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000034.pdf 0000790816-13-000034.rtf View HTML February 27, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000031.pdf 0000790816-13-000031.rtf View HTML February 26, 2013 10-K Annual report which provides a comprehensive overview of the company for the past year Annual Filings 0000790816-13-000018.pdf 0000790816-13-000018.rtf 0000790816-13-000018.xls EX-101.INS - XBRL INSTANCE DOCUMENT View HTML February 15, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000016.pdf 0000790816-13-000016.rtf View HTML February 14, 2013 SC 13G/A An amendment to the SC 13G filing Other 0000932471-13-005028.pdf 0000932471-13-005028.rtf 0000932471-13-005028.xls View HTML February 14, 2013 SC 13G/A An amendment to the SC 13G filing Other 0000315066-13-002273.pdf 0000315066-13-002273.rtf View HTML Pagination First page « First Previous page ‹ Previous … Page 70 Page 71 Page 72 Page 73 Current page 74 Page 75 Page 76 Page 77 Page 78 … Next page Next › Last page Last » Data provided by Kaleidoscope.
