Bleichmar Fonti & Auld LLP said it has opened a securities fraud investigation into Coastal Financial Corp. after the bank holding company’s shares fell 43.5% on July 30, 2026. The firm said the probe is focused on Coastal Financial’s statements about the credit quality and financial condition of its CCBX partner relationships and its banking as a service segment (banking infrastructure offered to third parties). The share decline followed Coastal Financial’s Q2 2026 results, which showed a net loss of $42.1 million, or $(2.76) per diluted common share, versus net income of $12 million, or $0.78 per diluted common share, a year earlier. The company said the loss was driven by a $68.8 million credit expense tied to an unnamed CCBX partner relationship.