Group 3,4,5Annual FilingsCurrent ReportsMergers & AcquisitionsOtherProxy FilingsQuarterly FilingsRegistration Statements Filing year - Any -20222021202020192018201720162015201420132012201120102009200820072006200520042003200220012000199919981997199619951994 Items per page 102550 Filing Date Form Description Filing Group Downloads 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000082.pdf 0000076334-21-000082.rtf 0000076334-21-000082.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000084.pdf 0000076334-21-000084.rtf 0000076334-21-000084.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000086.pdf 0000076334-21-000086.rtf 0000076334-21-000086.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000088.pdf 0000076334-21-000088.rtf 0000076334-21-000088.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000090.pdf 0000076334-21-000090.rtf 0000076334-21-000090.xls 04/26/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000092.pdf 0000076334-21-000092.rtf 0000076334-21-000092.xls 04/23/2021 3 Initial filing by director officer or owner of more than ten percent. 3,4,5 0000076334-21-000059.pdf 0000076334-21-000059.rtf 0000076334-21-000059.xls 04/23/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000060.pdf 0000076334-21-000060.rtf 0000076334-21-000060.xls 04/22/2021 8-K Report of unscheduled material events or corporate event Current Reports 0000076334-21-000048.pdf 0000076334-21-000048.rtf 0000076334-21-000048.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA 03/25/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000044.pdf 0000076334-21-000044.rtf 0000076334-21-000044.xls Pagination First page « First Previous page ‹ Previous … Page 8 Page 9 Page 10 Page 11 Current page 12 Page 13 Page 14 Page 15 Page 16 … Next page Next › Last page Last » Data provided by Kaleidoscope.