Texas Government Code - GOV'T § 4001.068. Security

(A) a limited partner interest in a limited partnership;

(B) a share;

(C) a stock;

(D) a treasury stock;

(E) a stock certificate under a voting trust agreement;

(F) a collateral trust certificate;

(G) an equipment trust certificate;

(H) a preorganization certificate or receipt;

(I) a subscription or reorganization certificate;

(J) a note, bond, debenture, mortgage certificate, or other evidence of indebtedness;

(K) any form of commercial paper;

(L) a certificate in or under a profit sharing or participation agreement;

(M) a certificate or instrument representing an interest in or under an oil, gas, or mining lease, fee, or title;

(N) a certificate or instrument representing or secured by an interest in any of the capital, property, assets, profits, or earnings of a company;

(O) an investment contract;  and

(P) any other instrument commonly known as a security, regardless of whether the instrument is similar to another instrument listed in this subsection;  and