Investor Relations

Securities offered to employees pursuant to employee benefit plans

Report of unscheduled material events or corporate event

Amendment to a previously filed 4

Amendment to a previously filed 4

Amendment to a previously filed 4

Amendment to a previously filed 4

Amendment to a previously filed 4

An amendment to the SC 13G filing

Pre-effective amendment to an S-3 filing

EFFECT

A statement of beneficial ownership of common stock by certain persons

Statement of changes in beneficial ownership of securities

Report of unscheduled material events or corporate event

Simplified registration form

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

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