(a) This chapter shall be administered by the commissioner of this state.

(b) Neither the commissioner nor any employees of the commissioner may use any information that is filed with or obtained by the commissioner that is not public information for personal gain or benefit, nor may the commissioner nor any employees of the commissioner conduct any securities or commodity dealings whatsoever based upon any such information, even though public, if there has not been a sufficient period of time for the securities or commodity markets to assimilate the information.

(c)(1) Except as provided for in subdivision (2) of this subsection, all information collected, assembled or maintained by the commissioner is public information and is available for the examination of the public as provided by the Freedom of Information Act in chapter twenty-nine-b of this code.

(2) The following exceptions to subdivision (1) of this subsection are confidential:

(A) Information obtained in private investigations pursuant to section one of this article;

(B) Information made confidential by the provisions of the Freedom of Information Act in chapter twenty-nine-b of this code; and

(C) Information obtained from federal agencies that cannot be disclosed under federal law.

(3) The commissioner may disclose any information made confidential under paragraph (A), subdivision (2), subsection (c) of this section to persons identified in subsection (a), section six of this article.

(4) No provision of this chapter creates or negates any privilege that exists at common law, by statute or otherwise, when any documentary or other evidence is sought under subpoena directed to the commissioner or any employee of the commissioner.