A corporation making a transfer of a security upon assignment by the registered owner to a person described as a fiduciary in the assignment or known by the corporation to be a fiduciary is not bound to inquire into the existence, extent, or correct description of the fiduciary relationship, and thereafter, until the corporation receives written notice to the contrary, it may assume without inquiry that the registered owner continues to be the fiduciary.
760 ILCS 70/2