Equity Security (Bankruptcy) Law and Legal Definition
“The term "equity security" means--
(A) share in a corporation, whether or not transferable or denominated "stock", or similar security;
(B) interest of a limited partner in a limited partnership; or
(C) warrant or right, other than a right to convert, to purchase, sell, or subscribe to a share, security, or interest of a kind specified in subparagraph (A) or (B).” (11 USCS § 101)