No person shall make a tender offer involving a target company in this state, or purchase any equity securities of a target company pursuant to such offer, unless the offer is effective under sections 36b-40 to 36b-52, inclusive, or is exempted by the commissioner. Before a tender offer becomes effective under said sections, the offeror shall file with the commissioner a registration statement containing the information prescribed in subsection (a) of section 36b-43, or, if applicable, a Schedule 14D-1 as prescribed in subsection (b) of section 36b-43, and not later than the date of filing the registration statement or Schedule 14D-1 shall deliver a copy of the registration statement or Schedule 14D-1, provided such Schedule 14D-1 contains all the information required by subsection (a) of section 36b-43, to the target company at its principal executive offices and publicly disclose the material terms of the proposed offer.