{"schema_version":"secwatch.filing_event.v1","accession":"0001637880-26-000044","form_type":"8-K","ticker":null,"cik":"0001637880","company_name":"Tri-State Generation & Transmission Association, Inc.","filed_at":"2026-09-23T21:30:45+00:00","discovered_at":"2026-09-23T21:32:00.528703+00:00","generated_at":"2026-09-23T21:32:08.245141+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Tri-State certifies Amy Miller as board director representing Wheatland REA","bullets":["On Sept 22, 2026, Tri-State certified election of Amy Miller by member Wheatland Rural Electric Association.","Miller represents Wheatland on Tri-State's Board of Directors.","She is expected to serve on the External Affairs-Member Relations Committee.","No financial, operational, or strategic changes disclosed in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001637880-26-000044","json":"https://secwatch.observer/filing/0001637880-26-000044.json","markdown":"https://secwatch.observer/filing/0001637880-26-000044.md","text":"https://secwatch.observer/filing/0001637880-26-000044.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1637880/000163788026000044/0001637880-26-000044-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1637880/000163788026000044/tris-20260922.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-23T21:32:08.245141+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"}