{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-417059","form_type":"8-K","ticker":"SNDA","cik":"0001043000","company_name":"SONIDA SENIOR LIVING, INC.","filed_at":"2026-10-07T21:04:47+00:00","discovered_at":"2026-10-07T21:06:06.794047+00:00","generated_at":"2026-10-12T15:46:47.223021+00:00","sec_items":["5.03","9.01"],"event_type":"regulatory","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Sonida Senior Living board adopts amended and restated bylaws effective October 2, 2026","bullets":["Board adopted Amended and Restated Bylaws on October 2, 2026; changes include stockholder nomination deadlines of no later than 90 days and no earlier than 120 days before the prior annual meeting.","Exclusive forum revised to the Delaware Court of Chancery for intra-corporate claims; federal district courts become exclusive forum for Securities Act claims.","Bylaws address Rule 14a-19 universal proxy rules, remove Board co-chair position, and require a Lead Director chosen by independent directors if the Chair is not independent.","Nominating stockholders must hold shares of record from notice through the meeting; proposed nominees must submit questionnaires and interview within 10 days of a reasonable Board request.","Signed by Senior Vice President and Chief Legal Officer Tabitha Bailey on October 7, 2026; Amended and Restated Bylaws attached as Exhibit 3.1."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-417059","json":"https://secwatch.observer/filing/0001193125-26-417059.json","markdown":"https://secwatch.observer/filing/0001193125-26-417059.md","text":"https://secwatch.observer/filing/0001193125-26-417059.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1043000/000119312526417059/0001193125-26-417059-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1043000/000119312526417059/d117099d8k.htm"},"model":{"generated_by":"deepseek-v4.1-flash:cloud@v2","generated_at":"2026-10-12T15:46:47.223021+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"}