Mo. Rev. Stat. § 351.840: Effect of termination of close corporation status.

1. A corporation that terminates its status as a statutory close corporation is thereafter subject to all provisions of this chapter other than sections 351.750 to 351.865 or, if incorporated under chapter 356, to all provisions of that law.

2. Termination of statutory close corporation status does not affect any right of a shareholder or of the corporation under an agreement or the articles of incorporation unless sections 351.750 to 351.865, chapter 356, or another law of this state invalidates the right.