Okla. Stat. tit. 36 § 6930
No person other than the issuer may make a tender for or a request or invitation for tenders of, or enter into an agreement to exchange securities for or acquire in the open market or otherwise, any voting security of a health maintenance organization or enter into any other agreement if, after the consummation thereof, that person would, directly or indirectly, or by conversion or by exercise of any right to acquire be in control of the health maintenance organization. No person may enter into an agreement to merge or consolidate with or otherwise to acquire control of a health maintenance organization, unless, at the time any offer, request or invitation is made or any agreement is entered into, or prior to the acquisition of the securities if no offer or agreement is involved, the person complied with the provisions of Article 16A of the Insurance Code.
Okla. Stat. tit. 36, § 6930