{"url_path":"/sec/coso/8-k/2026-07-20/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 Financial Statements and Exhibits.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-07-20","source_url":"https://www.sec.gov/Archives/edgar/data/1297107/0001297107-26-000009-index.html","accession_number":"0001297107-26-000009","cik":"0001297107","ticker":"COSO","issuer_name":"CoastalSouth Bancshares, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1297107/0001297107-26-000009-index.html","primary_entity_key":"0001297107","primary_entity_name":"CoastalSouth Bancshares, Inc."},"word_count":99,"has_tables":true,"body_markdown":"## Item 9.01 Financial Statements and Exhibits.\n\n(d) Exhibits\n\n \n\nExhibit\n\nNumber\n\nDescription\n\n99.1\n\n \n\n[CoastalSouth Bancshares, Inc. Earnings Release dated July 20, 2026](coso-ex99_1.htm)*\n\n99.2\n\n \n\n[CoastalSouth Bancshares, Inc. Investor Presentation re: 2nd Quarter 2026 Results](coso-ex99_2.htm)*\n\n104\n\nCover Page Interactive Data File (embedded within the Inline XBRL document)\n\n \n\n* Filed herewith.\n\n \n\nSIGNATURES\n\nPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\nCoastalSouth Bancshares, Inc.\n\nDate: July 20, 2026\n\nBy:\n\n/s/ Anthony P. Valduga\n\nAnthony P. Valduga\n\nChief Financial Officer & Chief Operating Officer"}