SEC Filings

Filing date	Form	Description	View
May 03, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000062.pdf 0000046080-19-000062.rtf
May 03, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000063.pdf 0000046080-19-000063.rtf
May 01, 2019	10-Q	Quarterly report which provides a continuing view of a company's financial position	0000046080-19-000059.pdf 0000046080-19-000059.rtf 0000046080-19-000059.xls EX-101.INS - XBRL INSTANCE DOCUMENT
Apr 29, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000050.pdf 0000046080-19-000050.rtf
Apr 29, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000051.pdf 0000046080-19-000051.rtf
Apr 29, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000052.pdf 0000046080-19-000052.rtf
Apr 29, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000053.pdf 0000046080-19-000053.rtf
Apr 23, 2019	8-K	Report of unscheduled material events or corporate event	0000046080-19-000049.pdf 0000046080-19-000049.rtf 0000046080-19-000049.xls
Apr 02, 2019	DEF 14A	Official notification to shareholders of matters to be brought to a vote ("Proxy")	0001193125-19-095217.pdf 0001193125-19-095217.rtf 0001193125-19-095217.xls
Apr 02, 2019	DEFA14A	Additional proxy soliciting materials - definitive	0001193125-19-095218.pdf 0001193125-19-095218.rtf 0001193125-19-095218.xls