Md. Code, Corporations and Associations § 2–510

One or more stockholders of a corporation may confer the right to vote or otherwise represent their stock to a trustee by:

(1) Entering into a written voting trust agreement which specifies the terms and conditions of the voting trust;

(2) Providing an executed copy of the voting trust agreement to the corporation at its principal office or by electronic transmission; and

(3) Transferring their stock for purposes of the agreement to a trustee.