Haw. Rev. Stat. § 432G-17
No person may make a tender for or a request or invitation for tenders of, enter into an agreement to exchange securities for, or acquire in the open market or otherwise, any voting security of a dental insurer or enter into any other agreement if, after the consummation thereof, that person, directly or indirectly, or by conversion or by exercise of any right to acquire, would be in control of the dental insurer, and no person may enter into an agreement to merge or consolidate with or otherwise to acquire control of a dental insurer, 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 has filed with the commissioner and has sent to the dental insurer information required by section 431:11-104 and the offer, request, invitation, agreement, or acquisition has been approved by the commissioner. Approval by the commissioner shall be governed by section 431:11-104(d); provided that if no action is taken by the commissioner within thirty days, the offer, request, invitation, agreement, or acquisition shall be deemed approved.
HRS § 432G-17