Report of unscheduled material events or corporate event

Amendment to a previously filed 10-K

Amendment to a previously filed 10-Q

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

Pre-effective amendment to an S-3 filing

A statement of beneficial ownership of common stock by certain persons

Pre-effective amendment to an S-3 filing

Simplified registration form

Form of prospectus that discloses information previously omitted from the prospectus

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