SEC Filings

Form	Description	Filing date	View
10-Q	Quarterly report which provides a continuing view of a company's financial position	Nov 01, 2018	View HTML 0001097149-18-000032.pdf 0001097149-18-000032.xls EX-101.INS - XBRL INSTANCE DOCUMENT
10-Q	Quarterly report which provides a continuing view of a company's financial position	May 02, 2019	View HTML 0001097149-19-000022.pdf 0001097149-19-000022.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
10-Q	Quarterly report which provides a continuing view of a company's financial position	Aug 01, 2019	View HTML 0001097149-19-000032.pdf 0001097149-19-000032.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
10-Q	Quarterly report which provides a continuing view of a company's financial position	Oct 31, 2019	View HTML 0001097149-19-000036.pdf 0001097149-19-000036.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
10-Q	Quarterly report which provides a continuing view of a company's financial position	May 05, 2020	View HTML 0001097149-20-000025.pdf 0001097149-20-000025.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	Jul 31, 2020	View HTML 0001097149-20-000049.pdf 0001097149-20-000049.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	Oct 30, 2020	View HTML 0001097149-20-000052.pdf 0001097149-20-000052.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	May 05, 2021	View HTML 0001097149-21-000027.pdf 0001097149-21-000027.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	Aug 04, 2021	View HTML 0001097149-21-000054.pdf 0001097149-21-000054.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	Nov 02, 2021	View HTML 0001097149-21-000073.pdf 0001097149-21-000073.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	May 05, 2022	View HTML 0001097149-22-000036.pdf 0001097149-22-000036.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	Aug 04, 2022	View HTML 0001097149-22-000054.pdf 0001097149-22-000054.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	Nov 04, 2022	View HTML 0001097149-22-000067.pdf 0001097149-22-000067.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	May 05, 2023	View HTML 0001097149-23-000046.pdf 0001097149-23-000046.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	Aug 04, 2023	View HTML 0001097149-23-000059.pdf 0001097149-23-000059.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q	Quarterly report which provides a continuing view of a company's financial position	Nov 03, 2023	View HTML 0001097149-23-000082.pdf 0001097149-23-000082.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
10-Q/A	Amendment to a previously filed 10-Q	Feb 24, 2010	View HTML 0001104659-10-009198.pdf 0001104659-10-009198.xls
10-Q/A	Amendment to a previously filed 10-Q	Aug 13, 2003	View HTML 0001193125-03-035606.pdf 0001193125-03-035606.xls
144	Filed by "insiders" prior intended sale of restricted stock. Non-EDGAR filing	Mar 01, 2012	View HTML 0001140361-12-011956.pdf 0001140361-12-011956.xls
144	Filed by "insiders" prior intended sale of restricted stock. Non-EDGAR filing	Jul 27, 2012	View HTML 0001140361-12-034146.pdf 0001140361-12-034146.xls