Any documentary materials or data made or received by any member, agent or employee of the Department, consisting of trade secrets, commercial or financial information regarding the operation of any enterprise conducted by an applicant applying for funding under this Act, or regarding the competitive position of such enterprise in a particular field of endeavor, shall be deemed to be confidential and shall not be deemed public records; provided, however, that if the Department purchases a qualified security from such enterprise, the commercial and financial information, excluding trade secrets, shall be deemed to become a public record of the Department after expiration of 3 years from the date of purchase of the qualified security to the extent that the information is available to the holder of the qualified security. Information deemed confidential under the provisions of this Section shall be exempt from inspection or reproduction as provided under subsection (g) of Section 7 of The Freedom of Information Act.