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 08/13/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000166.pdf 0000076334-21-000166.rtf 0000076334-21-000166.xls 08/13/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000168.pdf 0000076334-21-000168.rtf 0000076334-21-000168.xls 08/13/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000170.pdf 0000076334-21-000170.rtf 0000076334-21-000170.xls 08/13/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000172.pdf 0000076334-21-000172.rtf 0000076334-21-000172.xls 08/13/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000174.pdf 0000076334-21-000174.rtf 0000076334-21-000174.xls 08/13/2021 8-K Report of unscheduled material events or corporate event Current Reports 0001193125-21-246081.pdf 0001193125-21-246081.rtf 0001193125-21-246081.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA 08/13/2021 3 Initial filing by director officer or owner of more than ten percent. 3,4,5 0000076334-21-000178.pdf 0000076334-21-000178.rtf 0000076334-21-000178.xls 08/13/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000180.pdf 0000076334-21-000180.rtf 0000076334-21-000180.xls 08/09/2021 4 Statement of changes in beneficial ownership of securities 3,4,5 0000076334-21-000142.pdf 0000076334-21-000142.rtf 0000076334-21-000142.xls 08/05/2021 8-K Report of unscheduled material events or corporate event Current Reports 0000076334-21-000140.pdf 0000076334-21-000140.rtf 0000076334-21-000140.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Pagination First page « First Previous page ‹ Previous … Page 11 Page 12 Page 13 Page 14 Current page 15 Page 16 Page 17 Page 18 Page 19 … Next page Next › Last page Last » Data provided by Kaleidoscope.