Mo. Rev. Stat. § 351.230 (2026)

  351.230.  Shareholders' meetings — notice of, how given, contents of. — 1.  Written or printed notice of each meeting of shareholders stating the place, day and hour of the meeting and, in case of a special meeting, the purpose or purposes for which the meeting is called, shall be given not less than ten or more than seventy days before the date of the meeting, by or at the direction of the president, or the secretary, or the officer or persons calling the meeting, to each shareholder of record entitled to vote at such meeting.  Written notice shall include, but not be limited to, notice by electronic transmission which means any process of communication not directly involving the physical transfer of paper that is suitable for the retention, retrieval, and reproduction of information by the recipient.

  2.  Any notice of a shareholders' meeting sent by mail shall be deemed to be delivered when deposited in the United States mail with postage thereon prepaid addressed to the shareholder at his address as it appears on the records of the corporation.

  3.  Attendance of a shareholder at any meeting shall constitute a waiver of notice of such meeting except where a shareholder attends a meeting for the express purpose of objecting to the transaction of any business because the meeting is not lawfully called or convened.