IR Nav OverviewCorporate GovernanceLeadershipNews & EventsPress ReleasesEvents & PresentationsStock InformationStock Quote & ChartHistoric Price LookupInvestment CalculatorDividendsAnalyst CoverageFinancial InformationSEC FilingsAnnual Reports & ProxyCEO Annual LetterFinancial ReportsFinancial Fundamentals1099 ReportingDRIP PlanTax Basis InformationIR ResourcesContact IREmail Alerts SEC Filings 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 May 24, 2024 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-24-000027.pdf 0000790816-24-000027.rtf 0000790816-24-000027.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML May 23, 2024 CORRESP CORRESP Other 0000790816-24-000025.pdf 0000790816-24-000025.rtf View HTML May 07, 2024 8-K Report of unscheduled material events or corporate event Current Reports 0001193125-24-133132.pdf 0001193125-24-133132.rtf 0001193125-24-133132.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML May 07, 2024 DEFA14A Additional proxy soliciting materials - definitive Proxy Filings 0001193125-24-133138.pdf 0001193125-24-133138.rtf View HTML May 02, 2024 UPLOAD UPLOAD Other 0000000000-24-004992.pdf 0000000000-24-004992.rtf 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 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 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 17, 2024 4 Statement of changes in beneficial ownership of securities 3,4,5 0000950170-24-045216.pdf 0000950170-24-045216.rtf 0000950170-24-045216.xls View HTML April 17, 2024 4 Statement of changes in beneficial ownership of securities 3,4,5 0000950170-24-045222.pdf 0000950170-24-045222.rtf 0000950170-24-045222.xls View HTML Pagination First page « First Previous page ‹ Previous Page 1 Page 2 Current page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 … Next page Next › Last page Last » Data provided by Kaleidoscope. Toolkit Print Page Email Alerts RSS Feeds Contact IR
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 May 24, 2024 8-K Report of unscheduled material events or corporate event Current Reports 0000790816-24-000027.pdf 0000790816-24-000027.rtf 0000790816-24-000027.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML May 23, 2024 CORRESP CORRESP Other 0000790816-24-000025.pdf 0000790816-24-000025.rtf View HTML May 07, 2024 8-K Report of unscheduled material events or corporate event Current Reports 0001193125-24-133132.pdf 0001193125-24-133132.rtf 0001193125-24-133132.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML May 07, 2024 DEFA14A Additional proxy soliciting materials - definitive Proxy Filings 0001193125-24-133138.pdf 0001193125-24-133138.rtf View HTML May 02, 2024 UPLOAD UPLOAD Other 0000000000-24-004992.pdf 0000000000-24-004992.rtf 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 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 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 17, 2024 4 Statement of changes in beneficial ownership of securities 3,4,5 0000950170-24-045216.pdf 0000950170-24-045216.rtf 0000950170-24-045216.xls View HTML April 17, 2024 4 Statement of changes in beneficial ownership of securities 3,4,5 0000950170-24-045222.pdf 0000950170-24-045222.rtf 0000950170-24-045222.xls View HTML Pagination First page « First Previous page ‹ Previous Page 1 Page 2 Current page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 … Next page Next › Last page Last » Data provided by Kaleidoscope.
