SEC Filings

Form	Description	Filing date	View
4	Statement of changes in beneficial ownership of securities	May 19, 2020	View HTML 0001209191-20-030668.pdf 0001209191-20-030668.xls
4	Statement of changes in beneficial ownership of securities	May 19, 2020	View HTML 0001209191-20-030670.pdf 0001209191-20-030670.xls
4	Statement of changes in beneficial ownership of securities	May 19, 2020	View HTML 0001209191-20-030671.pdf 0001209191-20-030671.xls
4	Statement of changes in beneficial ownership of securities	May 19, 2020	View HTML 0001209191-20-030705.pdf 0001209191-20-030705.xls
8-K	Report of unscheduled material events or corporate event	May 21, 2020	View HTML 0001097149-20-000040.pdf 0001097149-20-000040.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031421.pdf 0001209191-20-031421.xls
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031427.pdf 0001209191-20-031427.xls
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031424.pdf 0001209191-20-031424.xls
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031423.pdf 0001209191-20-031423.xls
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031429.pdf 0001209191-20-031429.xls
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031425.pdf 0001209191-20-031425.xls
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031422.pdf 0001209191-20-031422.xls
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031428.pdf 0001209191-20-031428.xls
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031432.pdf 0001209191-20-031432.xls
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031431.pdf 0001209191-20-031431.xls
4	Statement of changes in beneficial ownership of securities	May 21, 2020	View HTML 0001209191-20-031434.pdf 0001209191-20-031434.xls
4	Statement of changes in beneficial ownership of securities	May 26, 2020	View HTML 0001209191-20-032160.pdf 0001209191-20-032160.xls
4	Statement of changes in beneficial ownership of securities	May 26, 2020	View HTML 0001209191-20-032161.pdf 0001209191-20-032161.xls
SD	Specialized Disclosure Report	May 28, 2020	View HTML 0001097149-20-000045.pdf 0001097149-20-000045.xls
4	Statement of changes in beneficial ownership of securities	May 28, 2020	View HTML 0001209191-20-032676.pdf 0001209191-20-032676.xls