DEFINITION of 'SEC POS AM Filing'
A filing that is made by companies which have filed for registration with the SEC. SEC Filing POS AM is a filing which has post-effective amendments to provide updated prospectus information.
BREAKING DOWN 'SEC POS AM Filing'
A prospectus is a legal document that companies wishing to go public use to describe the securities that they are offering to investors. A prospectus is released for new issues of all types of securities – stocks, bonds, mutual funds, etc.