CoastalSouth Bancshares, Inc. 8-K

What Happened
CoastalSouth Bancshares, Inc. (COSO) filed an 8-K on January 20, 2026 announcing its results of operations and financial condition for the fourth quarter ended December 31, 2025. The company issued a press release and made an investor presentation available that accompany the quarterly results.

Key Details

• Filing date: January 20, 2026 (Form 8-K, Items 2.02 and 7.01).
• Reported period: fourth quarter ended December 31, 2025.
• Materials filed as exhibits: Earnings Release (Exhibit 99.1) and Investor Presentation (Exhibit 99.2).
• Investor Presentation is also posted on the company’s Investor Relations page (https://www.coastalstatesbank.com).
• The report was signed by Anthony P. Valduga, Chief Financial Officer & Chief Operating Officer.

Why It Matters
This 8-K notifies investors that CoastalSouth has released its quarterly earnings information and supporting presentation — primary sources to review for revenue, net income, loan performance, capital and liquidity metrics. Retail investors should read the attached press release and investor presentation for the specific financial figures and management commentary to assess recent performance and any guidance or outlook provided.