SEC Filings SEC Filing Keyword Search Group 3,4,5Annual FilingsCurrent ReportsMergers & AcquisitionsOtherProxy FilingsQuarterly FilingsRegistration Statements Filing year - Any -2024202320222021202020192018201720162015201420132012201120102009200820072006200520042003200220012000199919981997199619951994 Filing date Form Filing Group View Apr 02, 2019 10-K Annual Filings 0000768835-19-000021.pdf Bytes 0000768835-19-000021.rtf Bytes 0000768835-19-000021.xls Bytes EX-101.INS - XBRL INSTANCE DOCUMENT View HTML Apr 02, 2013 10-K Annual Filings 0000768835-13-000024.pdf Bytes 0000768835-13-000024.rtf Bytes 0000768835-13-000024.xls Bytes View HTML Mar 31, 2020 10-K Annual Filings 0000768835-20-000033.pdf Bytes 0000768835-20-000033.rtf Bytes 0000768835-20-000033.xls Bytes EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML Apr 22, 1998 10-K Annual Filings 0000950152-98-003456.pdf Bytes 0000950152-98-003456.rtf Bytes View HTML Mar 28, 2017 10-K Annual Filings 0000768835-17-000033.pdf Bytes 0000768835-17-000033.rtf Bytes 0000768835-17-000033.xls Bytes View HTML Apr 13, 2006 10-K Annual Filings 0001206774-06-000762.pdf Bytes 0001206774-06-000762.rtf Bytes 0001206774-06-000762.xls Bytes View HTML Mar 29, 2022 10-K Annual Filings 0000768835-22-000038.pdf Bytes 0000768835-22-000038.rtf Bytes 0000768835-22-000038.xls Bytes EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML Apr 23, 1997 10-K Annual Filings 0000950152-97-003107.pdf Bytes 0000950152-97-003107.rtf Bytes View HTML Apr 26, 1999 10-K Annual Filings 0000950152-99-003503.pdf Bytes 0000950152-99-003503.rtf Bytes View HTML Apr 17, 2003 10-K Annual Filings 0000950152-03-004335.pdf Bytes 0000950152-03-004335.rtf Bytes 0000950152-03-004335.xls Bytes View HTML Pagination Current page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 … Next page Next › Last page Last »