SEC Filings

Filing date	Form	Description	View
May 11, 2021	4	Statement of changes in beneficial ownership of securities	0000046080-21-000056.pdf 0000046080-21-000056.rtf 0000046080-21-000056.xls
May 10, 2021	4	Statement of changes in beneficial ownership of securities	0000046080-21-000055.pdf 0000046080-21-000055.rtf 0000046080-21-000055.xls
May 05, 2021	4	Statement of changes in beneficial ownership of securities	0000046080-21-000054.pdf 0000046080-21-000054.rtf 0000046080-21-000054.xls
Apr 29, 2021	10-Q	Quarterly report which provides a continuing view of a company's financial position	0000046080-21-000053.pdf 0000046080-21-000053.rtf 0000046080-21-000053.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Apr 27, 2021	8-K	Report of unscheduled material events or corporate event	0000046080-21-000049.pdf 0000046080-21-000049.rtf 0000046080-21-000049.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
Apr 02, 2021	4	Statement of changes in beneficial ownership of securities	0000046080-21-000041.pdf 0000046080-21-000041.rtf 0000046080-21-000041.xls
Apr 02, 2021	4	Statement of changes in beneficial ownership of securities	0000046080-21-000042.pdf 0000046080-21-000042.rtf 0000046080-21-000042.xls
Apr 02, 2021	4	Statement of changes in beneficial ownership of securities	0000046080-21-000043.pdf 0000046080-21-000043.rtf 0000046080-21-000043.xls
Apr 02, 2021	4	Statement of changes in beneficial ownership of securities	0000046080-21-000044.pdf 0000046080-21-000044.rtf 0000046080-21-000044.xls
Apr 02, 2021	4	Statement of changes in beneficial ownership of securities	0000046080-21-000045.pdf 0000046080-21-000045.rtf 0000046080-21-000045.xls

Data provided by Kaleidoscope.