# Allegiant United Holdings, LLC, Irvine, California; Nano Financial Holdings, Inc., Irvine, California; and Nano Banc, Irvine, California — Federal Reserve enforcement actions against banks and holding companies: action type, effective date and whether it has been terminated For Allegiant United Holdings, LLC, Irvine, California; Nano Financial Holdings, Inc., Irvine, California; and Nano Banc, Irvine, California, action is Written Agreement; effective date is 2021-02-24; board document is /newsevents/pressreleases/enforcement20210304a.htm; document type is Press Release, verified against its source on 2026-08-11. - **Banking organisation:** Allegiant United Holdings, LLC, Irvine, California; Nano Financial Holdings, Inc., Irvine, California; and Nano Banc, Irvine, California _(verified: appears in the quote below)_ - **Action:** Written Agreement _(verified: appears in the quote below)_ - **Effective date:** 2021-02-24 _(verified: appears in the quote below)_ - **Board document:** /newsevents/pressreleases/enforcement20210304a.htm _(verified: appears in the quote below)_ - **Document type:** Press Release _(verified: appears in the quote below)_ ## What the source says > 2021-02-24,,,,"Allegiant United Holdings, LLC, Irvine, California; Nano Financial Holdings, Inc., Irvine, California; and Nano Banc, Irvine, California",Written Agreement,/newsevents/pressreleases/enforcement20210304a.htm,Press Release, ## Source - https://www.federalreserve.gov/supervisionreg/files/enforcementactions.csv Last verified: 2026-08-11. Review by: 2026-09-01. Part of [Federal Reserve enforcement actions against banks and holding companies: action type, effective date and whether it has been terminated](https://referencesource.org/bank-enforcement-actions/).