principal stockholder
(ii)stock in the subsidiary corporation owned by an individual (within the meaning of subsection (d)(2)) who is a principal stockholder or officer of the parent corporation. For purposes of this clause, the term “principal stockholder” of a corporation means an individual who owns (within the meaning of subsection (d)(2)) 5 percent or more of the total combined voting power of all classes of stock entitled to vote or 5 percent or more of the total value of shares of all classes of stock in such corporation, (iii)stock in the subsidiary corporation owned (within the meaning of subsection (d)(2)) by an employee of the subsidiary corporation if such stock is subject to conditions which run in favor of such parent (or subsidiary) corporation and which substantially restrict or limit the employee’s right (or if the employee constructively owns such stock, the direct owner’s right) to dispose of such stock, or (iv)stock in the subsidiary corporation owned (within the meaning of subsection (d)(2)) by an organization (other than the parent corporation) to which section 501 (relating to certain educational and charitable organizations which are exempt from tax) applies and which is controlled directly or indirectly by the parent corporation or subsidiary corporation, by an individual, estate, or trust that is a principal stockholder (within the meaning of clause (ii)) of the parent corporation, by an officer of the parent corporation, or by any combination thereof.