Okla. Stat. tit. 71, § 71-1-501: General fraud

It is unlawful and shall be deemed a Class C2 felony offense for

a person, in connection with the offer, sale, or purchase of a

security, directly or indirectly:

1. To employ a device, scheme, or artifice to defraud;

2. To make an untrue statement of a material fact or to omit to

state a material fact necessary in order to make the statement made,

in the light of the circumstances under which it is made, not

misleading; or

3. To engage in an act, practice, or course of business that

operates or would operate as a fraud or deceit upon another person.