Registration of certain classes of securities 12(b) of the Securities Exchange Act

Report of unscheduled material events or corporate event

Report of unscheduled material events or corporate event

Report of unscheduled material events or corporate event

An amendment to the SC 13G filing

A statement of beneficial ownership of common stock by certain persons

An amendment to the SC 13G filing

Report of unscheduled material events or corporate event

Securities offered to employees pursuant to employee benefit plans

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

Report of unscheduled material events or corporate event

Report of unscheduled material events or corporate event

Report of unscheduled material events or corporate event

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

Securities offered to employees pursuant to employee benefit plans

Report of unscheduled material events or corporate event

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

Pre-effective amendment to an S-3 filing

Amendment to a previously filed 8-K

Pre-effective amendment to an S-3 filing

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

A preliminary proxy statement providing notification matters to be brought to a vote

An amendment to a SC 13D filing

Annual report which provides a comprehensive overview of the company for the past year

Simplified registration form