(a) In addition to investments excluded pursuant to other provisions of this title, an insurer shall not invest in or lend its funds upon the security of:
(1) Issued shares of its own capital stock, except:
a. For the purpose of mutualization under § 4928 of this title; and
b. Where the insurer has first submitted a plan for such investment or loan to the commissioner and the Commissioner has not, within 20 days after such submission or within such additional reasonable period as the Commissioner may request, disapproved such plan as unfair or inequitable to the insurer's policyholders or stockholders;
(2) Securities issued by any corporation or enterprise the controlling interest of which is, or will after such acquisition by the insurer be, held directly or indirectly by the insurer or any combination of the insurer and the insurer's directors, officers, subsidiaries or controlling stockholders (other than a parent corporation), and the spouses and children of any of the foregoing individuals. Investments in controlled insurance corporations or subsidiaries under §§ 1312(b) and 1313 of this title are not subject to this provision;
(3) Any note or other evidence of indebtedness of any director, officer, employee or controlling stockholder of the insurer or of the spouse, or child of any of the foregoing individuals, except as to policy loans authorized under § 1317 of this title.
(b) No insurer shall underwrite or participate in the underwriting of an offering of securities or property of any other person.
(c) No insurer shall enter into any agreement to withhold from sale any of its securities or property, and the disposition of its assets shall at all times be within the control of the insurer.