Pre-effective amendment to an S-3 filing

A statement of beneficial ownership of common stock by certain persons

A statement of beneficial ownership of common stock by certain persons

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

Pre-effective amendment to an S-3 filing

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

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

Statement of changes in beneficial ownership of securities

Simplified registration form

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