Ariz. Rev. Stat. § 47-8510
C. In a case not covered by the priority rules in chapter 9 of this title, a purchaser for value of a security entitlement or an interest therein, who obtains control has priority over a purchaser of a security entitlement, or an interest therein, who does not obtain control. Except as otherwise provided in subsection D of this section, purchasers who have control rank according to priority in time of: