person
(8) Definitions For purposes of this subsection— (A) the term “large trader” means every person who, for his own account or an account for which he exercises investment discretion, effects transactions for the purchase or sale of any publicly traded security or securities by use of any means or instrumentality of interstate commerce or of the mails, or of any facility of a national securities exchange, directly or indirectly by or through a registered broker or dealer in an aggregate amount equal to or in excess of the identifying activity level; (B) the term “publicly traded security” means any equity security (including an option on individual equity securities, and an option on a group or index of such securities) listed, or admitted to unlisted trading privileges, on a national securities exchange, or quoted in an automated interdealer quotation system; (C) the term “identifying activity level” means transactions in publicly traded securities at or above a level of volume, fair market value, or exercise value as shall be fixed from time to time by the Commission by rule or regulation, specifying the time interval during which such transactions shall be aggregated; (D) the term “reporting activity level” means transactions in publicly traded securities at or above a level of volume, fair market value, or exercise value as shall be fixed from time to time by the Commission by rule, regulation, or order, specifying the time interval during which such transactions shall be aggregated; and (E) the term “person” has the meaning given in section 78c(a)(9) of this title and also includes two or more persons acting as a partnership, limited partnership, syndicate, or other group, but does not include a foreign central bank.