Statement of changes in beneficial ownership of securities

Statement of changes in beneficial ownership of securities

Form of prospectus filed in connection with primary offering of securities on a delayed basis

A statement of beneficial ownership of common stock by certain persons

Report of unscheduled material events or corporate event

Form of prospectus filed in connection with primary offering of securities on a delayed basis

Form of prospectus filed in connection with primary offering of securities on a delayed basis

Form of prospectus filed in connection with primary offering of securities on a delayed basis

Form of prospectus filed in connection with primary offering of securities on a delayed basis

Form of prospectus filed in connection with primary offering of securities on a delayed basis

Statement of changes in beneficial ownership of securities

Amendment to a previously filed 4

Statement of changes in beneficial ownership of securities

Simplified registration form

Securities offered to employees pursuant to employee benefit plans