SEC Filings

Form	Description	Filing date	View
8-K/A	Amendment to a previously filed 8-K	Apr 11, 2019	View HTML 0001097149-19-000016.pdf 0001097149-19-000016.xls
8-K/A	Amendment to a previously filed 8-K	May 02, 2022	View HTML 0001097149-22-000031.pdf 0001097149-22-000031.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
8-K/A	Amendment to a previously filed 8-K	Oct 31, 2022	View HTML 0001097149-22-000064.pdf 0001097149-22-000064.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
3/A	An amendment to a 3 filing. Non-EDGAR filing	May 21, 2008	View HTML 0001419490-08-000003.pdf
SC 13D/A	An amendment to a SC 13D filing	Sep 22, 2009	View HTML 0001193125-09-195902.pdf 0001193125-09-195902.xls
SC 13D/A	An amendment to a SC 13D filing	Feb 22, 2011	View HTML 0000898822-11-000110.pdf 0000898822-11-000110.xls
SC 13D/A	An amendment to a SC 13D filing	Nov 14, 2013	View HTML 0001193125-13-441265.pdf 0001193125-13-441265.xls
SC 13G/A	An amendment to the SC 13G filing	Feb 07, 2006	View HTML 0000950133-06-000510.pdf 0000950133-06-000510.xls
SC 13G/A	An amendment to the SC 13G filing	Feb 09, 2006	View HTML 0000921739-06-000088.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 14, 2006	View HTML 0000812295-06-000045.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 07, 2007	View HTML 0000921739-07-000055.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 09, 2007	View HTML 0001172661-07-000081.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 14, 2007	View HTML 0000950133-07-000548.pdf 0000950133-07-000548.xls
SC 13G/A	An amendment to the SC 13G filing	Feb 14, 2007	View HTML 0000812295-07-000073.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 14, 2008	View HTML 0001172661-08-000111.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 14, 2008	View HTML 0000315066-08-001417.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 14, 2008	View HTML 0000812295-08-000008.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 14, 2008	View HTML 0000899140-08-000606.pdf
SC 13G/A	An amendment to the SC 13G filing	Nov 10, 2008	View HTML 0000315066-08-004216.pdf
SC 13G/A	An amendment to the SC 13G filing	Jan 22, 2009	View HTML 0000934999-09-000002.pdf