{"filing":{"accession_number":"0001849867-26-000014","cik":"0001849867","ticker":"CLST","company_name":"Catalyst Bancorp, Inc.","form":"8-K","filing_date":"2026-07-14","report_date":null,"primary_document":"clst-20260714x8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1849867/000184986726000014/clst-20260714x8k.htm"},"events":[{"id":17795,"run_id":15955,"accession_number":"0001849867-26-000014","anchor_item_number":"2.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"summary":"Catalyst Bancorp completed its acquisition of Lakeside Bancshares and Lakeside Bank effective July 14, 2026, for $41.1 million in cash ($19.58 per share). The transaction materially expanded Catalyst's asset base from $288.5 million to approximately $620 million and added four branch locations in Southwest Louisiana.","company_name":"Catalyst Bancorp, Inc.","ticker":"CLST","filing_date":"2026-07-14","form":"8-K","submitted_at":null,"items":[{"id":16401,"accession_number":"0001849867-26-000014","item_number":"2.01","item_title":"Completion of Acquisition or Disposition of Assets","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"reasoning":"This is a clear completion of a material acquisition. The Item 2.01 disclosure states that Catalyst Bancorp completed the acquisition of Lakeside Bancshares and Lakeside Bank effective July 14, 2026, pursuant to an Agreement and Plan of Share Exchange and Merger dated April 7, 2026. The transaction involved a cash consideration of $41.1 million ($19.58 per share) and materially expanded Catalyst's asset base from $288.5 million to approximately $620 million, adding $375.7 million in assets and four branch locations in Southwest Louisiana.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-14T13:42:59.286722+00:00","company_name":"","ticker":null,"filing_date":""},{"id":16402,"accession_number":"0001849867-26-000014","item_number":"8.01","item_title":"Other Events","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"reasoning":"The filing discloses the completion of Catalyst Bancorp's acquisition of Lakeside Bancshares, Inc., effective July 14, 2026. The press release explicitly states \"the successful completion of the previously announced acquisition\" with Lakeside shareholders receiving $19.58 per share in cash ($41.1 million aggregate). This is a material M\u0026A transaction that increases Catalyst's total assets from $288.5 million to approximately $620 million and expands its branch network by four locations, directly affecting the registrant's financial position and operations.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-14T13:42:59.286722+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":16401,"accession_number":"0001849867-26-000014","item_number":"2.01","item_title":"Completion of Acquisition or Disposition of Assets","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"reasoning":"This is a clear completion of a material acquisition. The Item 2.01 disclosure states that Catalyst Bancorp completed the acquisition of Lakeside Bancshares and Lakeside Bank effective July 14, 2026, pursuant to an Agreement and Plan of Share Exchange and Merger dated April 7, 2026. The transaction involved a cash consideration of $41.1 million ($19.58 per share) and materially expanded Catalyst's asset base from $288.5 million to approximately $620 million, adding $375.7 million in assets and four branch locations in Southwest Louisiana.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-14T13:42:59.286722+00:00","company_name":"Catalyst Bancorp, Inc.","ticker":"CLST","filing_date":"2026-07-14"},{"id":16402,"accession_number":"0001849867-26-000014","item_number":"8.01","item_title":"Other Events","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"reasoning":"The filing discloses the completion of Catalyst Bancorp's acquisition of Lakeside Bancshares, Inc., effective July 14, 2026. The press release explicitly states \"the successful completion of the previously announced acquisition\" with Lakeside shareholders receiving $19.58 per share in cash ($41.1 million aggregate). This is a material M\u0026A transaction that increases Catalyst's total assets from $288.5 million to approximately $620 million and expands its branch network by four locations, directly affecting the registrant's financial position and operations.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-07-14T13:42:59.286722+00:00","company_name":"Catalyst Bancorp, Inc.","ticker":"CLST","filing_date":"2026-07-14"}]}