SEC Filings

Filing date	Form	Description	View
May 20, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000067.pdf 0000046080-19-000067.rtf
May 20, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000068.pdf 0000046080-19-000068.rtf
May 20, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000069.pdf 0000046080-19-000069.rtf
May 20, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000070.pdf 0000046080-19-000070.rtf
May 20, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000071.pdf 0000046080-19-000071.rtf
May 20, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000072.pdf 0000046080-19-000072.rtf
May 20, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000073.pdf 0000046080-19-000073.rtf
May 20, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000074.pdf 0000046080-19-000074.rtf
May 20, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000075.pdf 0000046080-19-000075.rtf
May 20, 2019	4	Statement of changes in beneficial ownership of securities	0000046080-19-000076.pdf 0000046080-19-000076.rtf