(1) The annual meeting of the shareholders of every stock savings bank shall be held at a time and place designated by or in the manner provided in the bylaws. Special meetings of shareholders shall be called and held as provided in the bylaws of the savings bank. At any meeting, each shareholder entitled to vote shall be entitled to 1 vote for each share held by him or her. A shareholder may vote at any meeting of the savings bank by written proxy.
  (2) Persons holding shares of stock of a savings bank in a fiduciary capacity are entitled to vote the shares so held, unless the trust instrument contains a provision to the contrary. Persons whose shares are pledged are entitled to vote unless in the transfer by the pledgor on the books of the savings bank he or she has expressly empowered the pledgee to vote the shares, in which case only the pledgee or his or her proxy may vote the shares.
  (3) A shareholder shall not vote his or her stock in any manner except in person or by proxy. This prohibition shall not be construed to apply to any voting trust agreement of shareholders with respect to the voting of stock, which agreement has been approved by the commissioner.