Group 3,4,5Annual FilingsCurrent ReportsMergers & AcquisitionsOtherProxy FilingsQuarterly FilingsRegistration Statements Filing year - Any -2021202020192018201720162015201420132012201120102009200820072006200520042003200220012000199919981997199619951994 Items per page 102550 Filing Date Form Description Filing Group Downloads 05/03/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000104.pdf 0000076334-21-000104.rtf 0000076334-21-000104.xls 04/29/2021 8-K Report of unscheduled material events or corporate event Current Reports 0000076334-21-000097.pdf 0000076334-21-000097.rtf 0000076334-21-000097.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA 04/26/2021 8-K Report of unscheduled material events or corporate event Current Reports 0000076334-21-000064.pdf 0000076334-21-000064.rtf 0000076334-21-000064.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000066.pdf 0000076334-21-000066.rtf 0000076334-21-000066.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000068.pdf 0000076334-21-000068.rtf 0000076334-21-000068.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000070.pdf 0000076334-21-000070.rtf 0000076334-21-000070.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000072.pdf 0000076334-21-000072.rtf 0000076334-21-000072.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000074.pdf 0000076334-21-000074.rtf 0000076334-21-000074.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000076.pdf 0000076334-21-000076.rtf 0000076334-21-000076.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000080.pdf 0000076334-21-000080.rtf 0000076334-21-000080.xls Pagination First page « First Previous page ‹ Previous Page 1 Page 2 Page 3 Page 4 Current page 5 Page 6 Page 7 Page 8 Page 9 … Next page Next › Last page Last » Data provided by Kaleidoscope.
