Md. Code, Corporations and Associations § 4–601

(a) Subject to subsection (b) of this section, a consolidation, merger, share exchange, transfer of assets, or conversion of a close corporation shall be made in accordance with the provisions of Title 3 of this article.

(b) Approval of a proposed consolidation or merger, a transfer of assets, a conversion, or an acquisition of stock in a share exchange requires the affirmative vote of every stockholder of the close corporation.