Section 12 of the STOCK Act, codified at section 21A(i) of the Securities Exchange Act of 1934, 15 U.S.C. ?? 78u-1(i) (Securities Exchange Act), provides that ???[a]n individual described in section 101(f) of the Ethics in Government Act of 1978 may not purchase securities that are the subject of an initial public offering . . . in any manner other than is available to members of the public genera