“automatic securities purchase plan” means a dividend or interest reinvestment plan, a stock dividend plan, or any other plan established by an issuer or by a subsidiary of an issuer to facilitate the acquisition of securities of the issuer if the timing of acquisitions of securities, the number of securities which may be acquired under the plan by a director or officer of the issuer or of the subsidiary of the issuer, and the price payable for the securities are established in advance by written formula or criteria set out in a plan document and not subject to a subsequent exercise of discretion;