Complex sentence: Pink Sheets LLC is neither an NASD broker-dealer nor registered with the U.S. Securities and Exchange Commission; it is not a stock exchange, the companies listed do not need to fulfill any requirements (e.g. filing financial statements with the SEC).
Split into simpler sentences: Pink Sheets LLC is neither a NASD broker-dealer nor registered with the U.S. Securities and Exchange Commission; it is not a stock exchange. To be quoted in the Pink Sheets companies do not need to fulfill any requirements (e.g. filing financial statements with the SEC).