A statement of beneficial ownership of common stock by certain persons

A statement of beneficial ownership of common stock by certain persons

A statement of beneficial ownership of common stock by certain persons

Securities offered to employees pursuant to employee benefit plans

Pre-effective amendment to an S-3 filing

Simplified registration form

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

Report of unscheduled material events or corporate event

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

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

Official notification to shareholders of matters to be brought to a vote ("Proxy")

Annual report. The Regulation S-K Item 405 box on the cover page is checked

A statement of beneficial ownership of common stock by certain persons

A statement of beneficial ownership of common stock by certain persons

A statement of beneficial ownership of common stock by certain persons

A statement of beneficial ownership of common stock by certain persons

A statement of beneficial ownership of common stock by certain persons

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

Form of prospectus disclosing information facts events covered in both forms 424B1 424B3

Securities offered to employees pursuant to employee benefit plans