(a) Subject to paragraph (b), a corporation shall have power to purchase and maintain insurance:

(1) To indemnify the corporation for any obligation which it incurs as a result of the indemnification of directors and officers under the provisions of this article, and

(2) To indemnify directors and officers in instances in which they may be indemnified by the corporation under the provisions of this article, and

(3) To indemnify directors and officers in instances in which they may not otherwise be indemnified by the corporation under the provisions of this article provided the contract of insurance covering such directors and officers provides, in a manner acceptable to the superintendent of financial services, for a retention amount and for co-insurance.

(b) No insurance under paragraph (a) may provide for any payment, other than cost of defense, to or on behalf of any director or officer:

(1) if a judgment or other final adjudication adverse to the insured director or officer establishes that his acts of active and deliberate dishonesty were material to the cause of action so adjudicated, or that he personally gained in fact a financial profit or other advantage to which he was not legally entitled, or

(2) in relation to any risk the insurance of which is prohibited under the insurance law of this state.

(c) Insurance under any or all subparagraphs of paragraph (a) may be included in a single contract or supplement thereto. Retrospective rated contracts are prohibited.

(d) The corporation shall, within the time and to the persons provided in paragraph (c) of section 725 (Other provisions affecting indemnification of directors or officers), mail a statement in respect of any insurance it has purchased or renewed under this section, specifying the insurance carrier, date of the contract, cost of the insurance, corporate positions insured, and a statement explaining all sums, not previously reported in a statement to shareholders, paid under any indemnification insurance contract.

(e) This section is the public policy of this state to spread the risk of corporate management, notwithstanding any other general or special law of this state or of any other jurisdiction including the federal government.