{"filing":{"accession_number":"0001193125-26-232794","cik":"0001473844","ticker":"STEL","company_name":"Stellar Bancorp, Inc.","form":"8-K","filing_date":"2026-05-20","report_date":null,"primary_document":"d227903d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1473844/000119312526232794/d227903d8k.htm"},"events":[{"id":9820,"run_id":8612,"accession_number":"0001193125-26-232794","anchor_item_number":"8.01","event_type":"material_litigation","event_domain":"legal","is_material":true,"confidence":0.85,"summary":"The filing discloses three lawsuits challenging the proposed merger between Stellar Bancorp and Prosperity Bancshares, filed in New York Supreme Court in May 2026, plus demand letters from purported shareholders. Although the companies deny merit and made supplemental disclosures to avoid litigation delays, the disclosure of material litigation related to a pending merger transaction is a core 8-K Item 8.01 event that would affect a reasonable investor's assessment of transaction risk and timing.","company_name":"Stellar Bancorp, Inc.","ticker":"STEL","filing_date":"2026-05-20","submitted_at":null,"items":[{"id":630,"accession_number":"0001193125-26-232794","item_number":"8.01","item_title":"Other Events.","event_type":"material_litigation","event_domain":"legal","is_material":true,"confidence":0.85,"reasoning":"The filing discloses three lawsuits challenging the proposed merger between Stellar Bancorp and Prosperity Bancshares, filed in New York Supreme Court in May 2026, plus demand letters from purported shareholders. Although the companies deny merit and made supplemental disclosures to avoid litigation delays, the disclosure of material litigation related to a pending merger transaction is a core 8-K Item 8.01 event that would affect a reasonable investor's assessment of transaction risk and timing.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-21T02:48:58.583336+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":630,"accession_number":"0001193125-26-232794","item_number":"8.01","item_title":"Other Events.","event_type":"material_litigation","event_domain":"legal","is_material":true,"confidence":0.85,"reasoning":"The filing discloses three lawsuits challenging the proposed merger between Stellar Bancorp and Prosperity Bancshares, filed in New York Supreme Court in May 2026, plus demand letters from purported shareholders. Although the companies deny merit and made supplemental disclosures to avoid litigation delays, the disclosure of material litigation related to a pending merger transaction is a core 8-K Item 8.01 event that would affect a reasonable investor's assessment of transaction risk and timing.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-21T02:48:58.583336+00:00","company_name":"Stellar Bancorp, Inc.","ticker":"STEL","filing_date":"2026-05-20"}]}