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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 April 19, 2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0001209191-21-027346.pdf 0001209191-21-027346.rtf 0001209191-21-027346.xls View HTML April 19, 2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0001209191-21-027350.pdf 0001209191-21-027350.rtf 0001209191-21-027350.xls View HTML April 19, 2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0001209191-21-027352.pdf 0001209191-21-027352.rtf 0001209191-21-027352.xls View HTML April 22, 2021 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-21-000014.pdf 0000790816-21-000014.rtf 0000790816-21-000014.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML May 06, 2021 10-Q Quarterly report which provides a continuing view of a company's financial position Quarterly Filings 0000790816-21-000017.pdf 0000790816-21-000017.rtf 0000790816-21-000017.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML May 18, 2021 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-21-000019.pdf 0000790816-21-000019.rtf 0000790816-21-000019.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML May 18, 2021 3 Initial filing by director officer or owner of more than ten percent. 3,4,5 0001209191-21-033517.pdf 0001209191-21-033517.rtf 0001209191-21-033517.xls View HTML May 20, 2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0001209191-21-034541.pdf 0001209191-21-034541.rtf 0001209191-21-034541.xls View HTML May 20, 2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0001209191-21-034544.pdf 0001209191-21-034544.rtf 0001209191-21-034544.xls View HTML May 20, 2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0001209191-21-034551.pdf 0001209191-21-034551.rtf 0001209191-21-034551.xls View HTML Pagination First page « First Previous page ‹ Previous … Page 180 Page 181 Page 182 Page 183 Current page 184 Page 185 Page 186 Page 187 Page 188 … Next page Next › Last page Last » Data provided by Kaleidoscope.