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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 March 05, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000055.pdf 0000790816-13-000055.rtf View HTML March 05, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000052.pdf 0000790816-13-000052.rtf View HTML March 05, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000053.pdf 0000790816-13-000053.rtf View HTML March 05, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000051.pdf 0000790816-13-000051.rtf View HTML March 05, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000050.pdf 0000790816-13-000050.rtf View HTML March 01, 2013 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-13-000038.pdf 0000790816-13-000038.rtf 0000790816-13-000038.xls View HTML March 01, 2013 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-13-000040.pdf 0000790816-13-000040.rtf 0000790816-13-000040.xls View HTML February 28, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000036.pdf 0000790816-13-000036.rtf View HTML February 27, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000028.pdf 0000790816-13-000028.rtf View HTML February 27, 2013 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-13-000027.pdf 0000790816-13-000027.rtf View HTML Pagination First page « First Previous page ‹ Previous … Page 69 Page 70 Page 71 Page 72 Current page 73 Page 74 Page 75 Page 76 Page 77 … Next page Next › Last page Last » Data provided by Kaleidoscope.
