The Investors’ Rights Agreement contains rights of the Investors to obtain information about and control the Company in specific ways, including requiring the Company to register their shares for trading on the public stock market, allow Investors to participate in future financings, and other rights.
The Investors’ Rights Agreement is between (1) the Company, (2) the Investors, and (3) key stockholders of the Company (usually the Founders and other holders of at least 1% of the Common Stock).