Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 156D, § 6.24

(1) preclude or limit the exercise, transfer or receipt of the rights, options or warrants by any person owning or offering to acquire a specified number or percentage of the outstanding shares or other securities of the corporation or by any transferee of any person, or that preclude or limit the exercise, transfer or receipt based on such other factors, including the nature or identity of such persons, as the directors determine to be reasonable and in the best interests of the corporation, or

(2) invalidate or void such rights, options or warrants held by any such person or persons or any such transferee or transferees.