An amendment to the SC 13G filing

An amendment to the SC 13G filing

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

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

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

Securities offered to employees pursuant to employee benefit plans

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

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