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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 June 19, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000101.pdf 0000790816-12-000101.rtf View HTML June 05, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000099.pdf 0000790816-12-000099.rtf View HTML June 01, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000092.pdf 0000790816-12-000092.rtf View HTML June 01, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000093.pdf 0000790816-12-000093.rtf View HTML June 01, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000094.pdf 0000790816-12-000094.rtf View HTML June 01, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000095.pdf 0000790816-12-000095.rtf View HTML June 01, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000096.pdf 0000790816-12-000096.rtf View HTML June 01, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000097.pdf 0000790816-12-000097.rtf View HTML May 31, 2012 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-12-000081.pdf 0000790816-12-000081.rtf 0000790816-12-000081.xls View HTML May 29, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000079.pdf 0000790816-12-000079.rtf View HTML Pagination First page « First Previous page ‹ Previous … Page 75 Page 76 Page 77 Page 78 Current page 79 Page 80 Page 81 Page 82 Page 83 … Next page Next › Last page Last » Data provided by Kaleidoscope.