Wis. Stat. § 943.81: Theft from a financial institution.

Whoever knowingly uses, transfers, conceals, or takes possession of money, funds, credits, securities, assets, or property owned by or under the custody or control of a financial institution without authorization from the financial institution and with intent to convert it to his or her own use or to the use of any person other than the owner or financial institution may be penalized as provided in s. 943.91.