Every person who is directly or indirectly the beneficial owner of more than 10 per centum of any class of outstanding securities (other than short-term paper) of which a registered closed-end company is the issuer or who is an officer, director, member of an advisory board, investment adviser, or affiliated person of an investment adviser of such a company shall in respect of his transactions in any securities of such company (other than short-term paper) be subject to the same duties and liabilities as those imposed by section 16 of the Securities Exchange Act of 1934 [
15 U.S.C.
78p] upon certain beneficial owners, directors, and officers in respect of their transactions in certain equity securities.