0000717806 2026-04-29 2026-04-29 0000717806 false 8-K 2026-04-29 First US Bancshares, Inc. DE 000-14549 63-0843362 3291 U.S. Highway 280 Birmingham AL 35243 205 582-1200 Common Stock, $0.01 par value FUSB NASDAQ false false false false false