Listed below are the filling types available. You may want to refer to a description of SEC forms. 

• DEF 14A- Proxy Statement (Board of Directors appointments, changes, etc)
• 10-K Annual Report to the SEC
• 10-KA Amended Annual Report
• 10-Q Quarterly Report
• 8-K Changes report that could affect the financial health of the company
• 6-K Non-US companies listed on one of the US stock exchanges report similar to 8-K
• 20-F Non-US company annual report to SEC
• 13-D Insider shares traded by board
• 13-FE Institutional Holders' trades
• 14-D1 Tender offer or Acquisition of another company
• 14-D9 Response to tender offer
• S-1 New Issue Filing, often known as the Prospectus for an Initial Public Offering (IPO)
• Form SB-Small Business IPO