 SACRAMENTO, Calif., Jan. 28, 2021 GLOBE NEWSWIRE -- American River Bankshares NASDAQ-GS: AMRB today reported net income of 2.1 million or 0.36 per diluted share for the fourth quarter of 2020 compared to a net income of 1.5 million or 0.26 per diluted share for the fourth quarter of 2019. For the twelve months ended December 31, 2020, net income was 7.1 million or 1.20 per diluted share, compared to 5.5 million or 0.94 per diluted share for the twelve months ended December 31, 2019. 