Search for a company's SEC filings. Includes all financial, new issues, mergers, joint venture, insider trading etc. Popular Types:
8-K: Released any time a company has a 'significant event'. Includes things like hiring a new director, M&A announcement, earnings releases, legal disputes etc.
10-K: Annual report filed with the SEC. This contains financial data executive compensation, business activities etc. The 10-K contains all information - good and bad - with no 'spin' on it.
10-Q: Quarterly financial reports.
DEF 14A: Proxy filing. Submitted prior to annual meeting of shareholders, it contains information such as director backgrounds, committee structures, corporate governance and will have executive compensation information if left out of the 10-K.
Open access website of the Securities & Exchange Commission's Electronic Data Gathering and Retrieval (EDGAR) system.