SEC Filings

Filing date	Form	Description	View
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000083.pdf 0000046080-18-000083.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000084.pdf 0000046080-18-000084.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000085.pdf 0000046080-18-000085.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000086.pdf 0000046080-18-000086.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000087.pdf 0000046080-18-000087.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000089.pdf 0000046080-18-000089.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000088.pdf 0000046080-18-000088.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000090.pdf 0000046080-18-000090.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000091.pdf 0000046080-18-000091.rtf
May 21, 2018	4	Statement of changes in beneficial ownership of securities	0000046080-18-000092.pdf 0000046080-18-000092.rtf