{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-24-026418","form_type":"8-K","ticker":"SNDA","cik":"0001043000","company_name":"SONIDA SENIOR LIVING, INC.","filed_at":"2024-06-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:17.006720+00:00","generated_at":"2026-06-01T06:42:48.269580+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Sonida Senior Living dismisses auditor RSM US LLP, seeking new auditor","bullets":["Audit Committee voted May 31, 2024 to dismiss RSM as independent auditor; no disagreements on accounting principles.","RSM's 2022 report included a going concern explanatory paragraph; 2023 report did not.","Material weakness in internal control over financial reporting existed for fiscal years 2022 and 2023, previously disclosed.","Company is in final stages of competitive bidding to engage a new independent registered public accounting firm."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-24-026418","json":"https://secwatch.observer/filing/0001628280-24-026418.json","markdown":"https://secwatch.observer/filing/0001628280-24-026418.md","text":"https://secwatch.observer/filing/0001628280-24-026418.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1043000/000162828024026418/0001628280-24-026418-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1043000/000162828024026418/snda-20240531.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T06:42:48.269580+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}