{"filing":{"accession_number":"0001849867-26-000011","cik":"0001849867","ticker":"CLST","company_name":"Catalyst Bancorp, Inc.","form":"8-K","filing_date":"2026-06-26","report_date":null,"primary_document":"clst-20260626x8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1849867/000184986726000011/clst-20260626x8k.htm"},"events":[{"id":14156,"run_id":12593,"accession_number":"0001849867-26-000011","anchor_item_number":"8.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"summary":"The disclosure announces that Lakeside shareholders have approved a pending merger with Catalyst and all required regulatory approvals have been obtained. The merger of Lakeside with and into Catalyst (with Catalyst as the surviving entity) is a material acquisition/change of control transaction expected to close on or about July 14, 2026. This is a clear M\u0026A activity event under Item 8.01, representing a significant corporate transaction that would materially affect a reasonable investor's assessment of the registrant.","company_name":"Catalyst Bancorp, Inc.","ticker":"CLST","filing_date":"2026-06-26","form":"8-K","submitted_at":null,"items":[{"id":11503,"accession_number":"0001849867-26-000011","item_number":"8.01","item_title":"Other Events","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"reasoning":"The disclosure announces that Lakeside shareholders have approved a pending merger with Catalyst and all required regulatory approvals have been obtained. The merger of Lakeside with and into Catalyst (with Catalyst as the surviving entity) is a material acquisition/change of control transaction expected to close on or about July 14, 2026. This is a clear M\u0026A activity event under Item 8.01, representing a significant corporate transaction that would materially affect a reasonable investor's assessment of the registrant.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-06-26T14:54:37.309741+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":11503,"accession_number":"0001849867-26-000011","item_number":"8.01","item_title":"Other Events","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.98,"reasoning":"The disclosure announces that Lakeside shareholders have approved a pending merger with Catalyst and all required regulatory approvals have been obtained. The merger of Lakeside with and into Catalyst (with Catalyst as the surviving entity) is a material acquisition/change of control transaction expected to close on or about July 14, 2026. This is a clear M\u0026A activity event under Item 8.01, representing a significant corporate transaction that would materially affect a reasonable investor's assessment of the registrant.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-06-26T14:54:37.309741+00:00","company_name":"Catalyst Bancorp, Inc.","ticker":"CLST","filing_date":"2026-06-26"}]}