Wyo. Stat. § 4-10-205: Sealing and availability of documents.

The privacy of those who have established a trust shall be protected in any judicial proceeding concerning the trust. Upon the filing of any petition, the trust instrument, inventory, statement filed by any fiduciary, annual verified report of a fiduciary, final report of a fiduciary and any petition relevant to trust administration and any court order thereon shall be sealed and shall not be made a part of the public record of the proceeding, but shall be available to the court, the settlor, any fiduciary, any qualified beneficiary, their attorneys, and any other interested person as the court may order upon a showing of need.