PREEMPTIVE RIGHT IN EXISTING CORPORATION.
Tex. BUS. ORGS Code § 21.208.
in effectSubject to the certificate of formation, a shareholder of a corporation incorporated before September 1, 2003, has a preemptive right to acquire unissued or treasury shares of the corporation to the extent provided by Sections 21.204 , 21.206 , and 21.207 . After September 1, 2003, a corporation may limit or deny the preemptive right of the shareholders of the corporation by amending the corporation's certificate of formation.
