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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 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 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 19, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000101.pdf 0000790816-12-000101.rtf View HTML July 03, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000103.pdf 0000790816-12-000103.rtf View HTML July 05, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000106.pdf 0000790816-12-000106.rtf View HTML July 05, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000107.pdf 0000790816-12-000107.rtf View HTML August 06, 2012 4 Statement of changes in beneficial ownership of securities 3,4,5 0000790816-12-000116.pdf 0000790816-12-000116.rtf View HTML Pagination First page « First Previous page ‹ Previous … Page 2 Page 3 Page 4 Page 5 Current page 6 Page 7 Page 8 Page 9 Page 10 … Next page Next › Last page Last » Data provided by Kaleidoscope.