A statement of beneficial ownership of common stock by certain persons

Quarterly report which provides a continuing view of a company's financial position

Report of unscheduled material events or corporate event

Statement of changes in beneficial ownership of securities

Statement of changes in beneficial ownership of securities

Statement of changes in beneficial ownership of securities

Statement of changes in beneficial ownership of securities

Statement of changes in beneficial ownership of securities

Statement of changes in beneficial ownership of securities

Report of unscheduled material events or corporate event

Report of unscheduled material events or corporate event

424B7    

Report of unscheduled material events or corporate event

Form of prospectus reflecting facts events constituting substantive change from last form

EFFECT