Section 351.875 - Grounds for shareholder dissent1. A shareholder is entitled to dissent from, and obtain payment of the fair value of his shares in the event of, any of the following corporate actions:(1) Consummation of a plan of merger to which the corporation is a party if shareholder approval is required for the merger by law or the articles of incorporation and the shareholder is entitled to vote on the merger; or if the corporation is a subsidiary that is merged with its parent under the provisions of section 351.447;(2) Consummation of a sale or exchange of all, or substantially all, of the property of the corporation other than in the usual and regular course of business, if the shareholder is entitled to vote on the sale or exchange, including a sale in dissolution, but not including a sale pursuant to court order or a sale for cash pursuant to a plan by which all or substantially all of the net proceeds of the sale will be distributed to the shareholders within one year after the date of sale;(3) An amendment of the articles of incorporation that materially and adversely affects rights in respect of a dissenter's share because it:(a) Alters or abolishes a preferential right of the shares;(b) Creates, alters or abolishes a right in respect of redemption, including a provision respecting a sinking fund for the redemption or repurchase, of the shares;(c) Alters or abolishes a preemptive right of the holder of the shares to acquire shares or other securities; or(d) Excludes or limits the right of the shares to vote on any matter, or to cumulate votes, other than a limitation by dilution through issuance of shares or other securities with similar voting rights; or(4) Any corporate action taken pursuant to a shareholder vote to the extent the articles of incorporation, bylaws, or a resolution of the board of directors provides that voting or nonvoting shareholders are entitled to dissent and obtain payment for their shares.2. A shareholder entitled to dissent and obtain payment for his shares under sections 351.870 to 351.930 may not challenge the corporate action creating his entitlement unless the action is unlawful or fraudulent with respect to the shareholder or the corporation.