SEC Filings

Filing date	Form	Description	View
May 22, 2023	4	Statement of changes in beneficial ownership of securities	0000046080-23-000050.pdf 0000046080-23-000050.rtf 0000046080-23-000050.xls
May 22, 2023	4	Statement of changes in beneficial ownership of securities	0000046080-23-000051.pdf 0000046080-23-000051.rtf 0000046080-23-000051.xls
May 22, 2023	4	Statement of changes in beneficial ownership of securities	0000046080-23-000052.pdf 0000046080-23-000052.rtf 0000046080-23-000052.xls
May 22, 2023	4	Statement of changes in beneficial ownership of securities	0000046080-23-000053.pdf 0000046080-23-000053.rtf 0000046080-23-000053.xls
May 22, 2023	4	Statement of changes in beneficial ownership of securities	0000046080-23-000054.pdf 0000046080-23-000054.rtf 0000046080-23-000054.xls
May 03, 2023	10-Q	Quarterly report which provides a continuing view of a company's financial position	0000046080-23-000042.pdf 0000046080-23-000042.rtf 0000046080-23-000042.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Apr 27, 2023	8-K	Report of unscheduled material events or corporate event	0000046080-23-000039.pdf 0000046080-23-000039.rtf 0000046080-23-000039.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Apr 14, 2023	8-K	Report of unscheduled material events or corporate event	0000950157-23-000364.pdf 0000950157-23-000364.rtf 0000950157-23-000364.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Apr 12, 2023	8-K	Report of unscheduled material events or corporate event	0000046080-23-000036.pdf 0000046080-23-000036.rtf 0000046080-23-000036.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Apr 04, 2023	4	Statement of changes in beneficial ownership of securities	0000046080-23-000032.pdf 0000046080-23-000032.rtf 0000046080-23-000032.xls

Data provided by Kaleidoscope.