An out-of-state bank holding company that directly or indirectly, through any subsidiary, acquires and holds voting stock of a bank pursuant to this subchapter shall file with the Commissioner upon the Commissioner's request copies of all regular and periodic reports which such bank holding company is required to file under § 13 or § 15(d) of the Securities and Exchange Act of 1934, as amended [15 U.S.C. § 78m or § 78o(d)], but excluding any portions not available to the public.