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

A statement of beneficial ownership of common stock by certain persons

Securities offered to employees pursuant to employee benefit plans

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

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

An annual report of employee stock purchase, savings and similar plans

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

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

Statement of changes in beneficial ownership of securities