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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 17, 2024 4 Statement of changes in beneficial ownership of securities 3,4,5 0000950170-24-045238.pdf 0000950170-24-045238.rtf 0000950170-24-045238.xls View HTML April 18, 2024 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-24-000017.pdf 0000790816-24-000017.rtf 0000790816-24-000017.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML April 23, 2024 8-K Report of unscheduled material events or corporate event Current Reports 0001193125-24-107178.pdf 0001193125-24-107178.rtf 0001193125-24-107178.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML April 24, 2024 10-Q Quarterly report which provides a continuing view of a company's financial position Quarterly Filings 0000790816-24-000022.pdf 0000790816-24-000022.rtf 0000790816-24-000022.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML Pagination First page « First Previous page ‹ Previous … Page 192 Page 193 Page 194 Page 195 Page 196 Page 197 Page 198 Page 199 Current page 200 Data provided by Kaleidoscope.