If by reason of a contravention of any of the provisions of section 27, 27A, 27B, 27C, 27D or section 29, any loss is sustained by the insurer or by the policyholders, every director, manager or officer who is knowingly a party to such contravention shall, without prejudice to any other penalty to which he may be liable under this Act, be jointly and severally liable to make good the amount of such loss.]