473.1. For the purposes of this division, “contributed capital security” means the writing that attests the existence of(1) a share of the share capital of a business corporation;
(2) a share of the capital stock of a joint-stock company;
(3) a share of the capital stock or share capital of a cooperative, financial services cooperative or mutual company; or
(4) a share of a partner in a general partnership or of a special partner in a limited partnership’s common stock.