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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 May 29, 2015 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-15-000081.pdf 0000790816-15-000081.rtf 0000790816-15-000081.xls View HTML May 29, 2015 3 Initial filing by director officer or owner of more than ten percent. 3,4,5 0000790816-15-000084.pdf 0000790816-15-000084.rtf View HTML May 29, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000097.pdf 0000790816-15-000097.rtf View HTML May 29, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000098.pdf 0000790816-15-000098.rtf View HTML May 29, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000095.pdf 0000790816-15-000095.rtf View HTML May 29, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000094.pdf 0000790816-15-000094.rtf View HTML May 29, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000096.pdf 0000790816-15-000096.rtf View HTML May 29, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000092.pdf 0000790816-15-000092.rtf View HTML May 29, 2015 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-15-000093.pdf 0000790816-15-000093.rtf View HTML May 21, 2015 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-15-000079.pdf 0000790816-15-000079.rtf 0000790816-15-000079.xls View HTML Pagination First page « First Previous page ‹ Previous … Page 51 Page 52 Page 53 Page 54 Current page 55 Page 56 Page 57 Page 58 Page 59 … Next page Next › Last page Last » Data provided by Kaleidoscope.