{"filing":{"accession_number":"0001193125-26-425283","cik":"0001297107","ticker":"COSO","company_name":"CoastalSouth Bancshares, Inc.","form":"8-K","filing_date":"2026-10-19","report_date":"2026-10-19","primary_document":"coso-20261019.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1297107/000119312526425283/coso-20261019.htm"},"events":[{"id":36108,"run_id":33290,"accession_number":"0001193125-26-425283","anchor_item_number":"2.02","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.97,"summary":"CoastalSouth Bancshares issued a press release on October 19, 2026, announcing third-quarter 2026 financial results, including net income of $8.8 million ($0.71 per diluted share) and nine-month results of $22.4 million ($1.81 per diluted share), with detailed operating highlights, balance sheet trends, and credit quality metrics.","company_name":"CoastalSouth Bancshares, Inc.","ticker":"COSO","filing_date":"2026-10-19","form":"8-K","submitted_at":null,"items":[{"id":40397,"accession_number":"0001193125-26-425283","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"CoastalSouth Bancshares issued a press release on October 19, 2026, announcing third-quarter 2026 financial results, including net income of $8.8 million ($0.71 per diluted share) and nine-month results of $22.4 million ($1.81 per diluted share). The filing explicitly states this is Item 2.02 (Results of Operations and Financial Condition) with the press release attached as Exhibit 99.1, which is the standard format for earnings releases. The disclosure includes detailed operating highlights, balance sheet trends, and credit quality metrics that would materially affect a reasonable investor's assessment of the company's financial performance.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-19T20:29:41.636447+00:00","company_name":"","ticker":null,"filing_date":""},{"id":40398,"accession_number":"0001193125-26-425283","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"CoastalSouth Bancshares disclosed third-quarter 2026 earnings of $8.8 million ($0.71 per diluted share) in a press release dated October 19, 2026, with comparative results for prior quarters and year-to-date performance. The filing includes comprehensive financial highlights, balance sheet trends, and credit quality metrics typical of a quarterly earnings announcement. The Item 7.01 disclosure references an investor presentation prepared \"for use with the press release,\" confirming this is an earnings release event.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-19T20:29:41.636447+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":40397,"accession_number":"0001193125-26-425283","item_number":"2.02","item_title":"Results of Operations and Financial Condition.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"CoastalSouth Bancshares issued a press release on October 19, 2026, announcing third-quarter 2026 financial results, including net income of $8.8 million ($0.71 per diluted share) and nine-month results of $22.4 million ($1.81 per diluted share). The filing explicitly states this is Item 2.02 (Results of Operations and Financial Condition) with the press release attached as Exhibit 99.1, which is the standard format for earnings releases. The disclosure includes detailed operating highlights, balance sheet trends, and credit quality metrics that would materially affect a reasonable investor's assessment of the company's financial performance.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-19T20:29:41.636447+00:00","company_name":"CoastalSouth Bancshares, Inc.","ticker":"COSO","filing_date":"2026-10-19"},{"id":40398,"accession_number":"0001193125-26-425283","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"earnings_release","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"CoastalSouth Bancshares disclosed third-quarter 2026 earnings of $8.8 million ($0.71 per diluted share) in a press release dated October 19, 2026, with comparative results for prior quarters and year-to-date performance. The filing includes comprehensive financial highlights, balance sheet trends, and credit quality metrics typical of a quarterly earnings announcement. The Item 7.01 disclosure references an investor presentation prepared \"for use with the press release,\" confirming this is an earnings release event.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-10-19T20:29:41.636447+00:00","company_name":"CoastalSouth Bancshares, Inc.","ticker":"COSO","filing_date":"2026-10-19"}]}