SEC Filings

Below you will find the SEC filings excluding beneficial ownership reports.

To view beneficial ownership reports, please click here.

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Filing date	Form	Description	View
Feb 6, 1997	10-K/A	Amendment to a previously filed 10-K	View HTML 0000086521-97-000003.pdf
Apr 8, 1994	10-K/A	Amendment to a previously filed 10-K	View HTML 0000086521-94-000008.pdf 0000086521-94-000008.xls
Feb 6, 1997	10-K/A	Amendment to a previously filed 10-K	View HTML 0000940170-97-000002.pdf
Mar 14, 2012	10-K/A	Amendment to a previously filed 10-K	View HTML 0000086521-12-000012.pdf 0000086521-12-000012.xls EX-101.INS - XBRL INSTANCE DOCUMENT
Feb 6, 1997	10-K/A	Amendment to a previously filed 10-K	View HTML 0000940170-97-000004.pdf
Feb 27, 1998	10-K/A	Amendment to a previously filed 10-K	View HTML 0000940170-98-000003.pdf 0000940170-98-000003.xls
Mar 31, 2011	10-K/A	Amendment to a previously filed 10-K	View HTML 0000086521-11-000019.pdf 0000086521-11-000019.xls
Mar 28, 2012	10-K/A	Amendment to a previously filed 10-K	View HTML 0000086521-12-000014.pdf
Nov 14, 1997	10-Q/A	Amendment to a previously filed 10-Q	View HTML 0000075527-97-000040.pdf
Feb 5, 1997	10-Q/A	Amendment to a previously filed 10-Q	View HTML 0000075527-97-000007.pdf 0000075527-97-000007.xls