Group 3,4,5Annual FilingsCurrent ReportsMergers & AcquisitionsOtherProxy FilingsQuarterly FilingsRegistration Statements Filing year - Any -202320222021202020192018201720162015201420132012201120102009200820072006200520042003200220012000199919981997199619951994 Items per page 102550 Filing Date Form Description Filing Group Downloads 05/11/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000124.pdf 0000076334-21-000124.rtf 0000076334-21-000124.xls 05/07/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000114.pdf 0000076334-21-000114.rtf 0000076334-21-000114.xls 05/06/2021 10-Q Quarterly report which provides a continuing view of a company's financial position Quarterly Filings 0000076334-21-000111.pdf 0000076334-21-000111.rtf 0000076334-21-000111.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA 05/05/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000109.pdf 0000076334-21-000109.rtf 0000076334-21-000109.xls 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 Pagination First page « First Previous page ‹ Previous … Page 13 Page 14 Page 15 Page 16 Current page 17 Page 18 Page 19 Page 20 Page 21 … Next page Next › Last page Last » Data provided by Kaleidoscope.