It is unlawful for any person, in connection with the offer, sale or purchase of any security, directly or indirectly:

1. (a) to employ any device, scheme, or artifice to defraud;
2. (b) to make any untrue statement of a material fact or to omit to state material facts necessary in order to make the statements made, in the light of the circumstances under which they are made, not misleading; or
3. (c) to engage in any act, practice, or course of business which operates or would operate as a fraud or deceit upon any person.