Wyo. Stat. § 34.1-9-110: Security interests arising under article 2 or 2A.

(a) A security interest arising under section 34.1-2-401, 34.1-2-505, 34.1-2-711(c) or 34.1-2A-508(e) is subject to this article. However, until the debtor obtains possession of the goods:

(i) The security interest is enforceable, even if section 34.1-9-203(b)(iii) has not been satisfied;

(ii) Filing is not required to perfect the security interest;

(iii) The rights of the secured party after default by the debtor are governed by article 2 or 2A; and

(iv) The security interest has priority over a conflicting security interest created by the debtor.