Statement of changes in beneficial ownership of securities

Amendment to a previously filed 4

Report of unscheduled material events or corporate event

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

Statement of changes in beneficial ownership of securities

Report of unscheduled material events or corporate event

An amendment to the SC 13G filing

Pre-effective amendment to an S-3 filing

An amendment to the SC 13G filing

Statement of changes in beneficial ownership of securities

A statement of beneficial ownership of common stock by certain persons

An amendment to the SC 13G filing

An amendment to the SC 13G filing

A statement of beneficial ownership of common stock by certain persons

Pre-effective amendment to an S-3 filing

Securities offered to employees pursuant to employee benefit plans

Pre-effective amendment to an S-3 filing

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

Report of unscheduled material events or corporate event

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

Statement of changes in beneficial ownership of securities

Report of unscheduled material events or corporate event

Report of unscheduled material events or corporate event

Initial filing by director officer or owner of more than ten percent.

Initial filing by director officer or owner of more than ten percent.