Everett, Washington – September 10, 2026 -- Bleichmar Fonti & Auld LLP has opened a securities fraud investigation into Coastal Financial Corp. (NASDAQ:CCB) after the bank's stock plunged 43.5% following disclosure of a massive credit loss tied to its banking-as-a-service partnerships.

Coastal Financial's stock collapsed 43.5% in a single trading session on July 30, 2026

Shares fell $30.75, from a close of $70.66 on July 29, 2026, to $39.91 the following day, after the company released Q2 2026 results.

Coastal Financial reported a $42.1 million net loss driven by a CCBX partner credit expense

The Everett, Washington-based bank holding company posted a quarterly net loss of $42.1 million, or $(2.76) per diluted share, reversing net income of $12 million, or $0.78 per diluted share, in the prior-year period. The company attributed the swing to a $68.8 million credit expense linked to an unnamed partner within its CCBX banking-as-a-service segment.

BFA Law is examining whether Coastal Financial misled investors about CCBX credit quality

The firm's inquiry centers on statements Coastal Financial made regarding the financial performance and credit condition of its CCBX partner relationships, through which the bank provides banking-as-a-service infrastructure to digital financial service providers and consumer brands. Investors who held Coastal Financial securities during the affected period are being invited to submit information to the firm to evaluate potential legal claims. Any representation would proceed on a contingency-fee basis, with no upfront cost to shareholders.