{"schema_version":"secwatch.filing_event.v1","accession":"0001637880-26-000022","form_type":"8-K","ticker":null,"cik":"0001637880","company_name":"Tri-State Generation & Transmission Association, Inc.","filed_at":"2026-04-29T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.637862+00:00","generated_at":"2026-05-15T02:01:05.712626+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Tri-State CAO/CHRO Elda de la Peña to retire Dec 2026 after 29 years","bullets":["Elda de la Peña, Chief Administrative Officer and CHRO, notified Tri-State of retirement plans.","Retirement effective December 2026 after more than 29 years of service.","Tri-State will initiate a search for a successor to both roles."],"urls":{"canonical":"https://secwatch.observer/filing/0001637880-26-000022","json":"https://secwatch.observer/filing/0001637880-26-000022.json","markdown":"https://secwatch.observer/filing/0001637880-26-000022.md","text":"https://secwatch.observer/filing/0001637880-26-000022.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1637880/000163788026000022/0001637880-26-000022-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1637880/000163788026000022/tris-20260427.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T02:01:05.712626+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":[{"claim_id":"2102c02851","claim":"Elda de la Peña departed as Chief Administrative Officer and Chief Human Resources Officer at Tri-State Generation & Transmission Association, Inc..","evidence_excerpt":"On April 27, 2026, Tri-State Generation and Transmission Association, Inc. (“Tri-State”) received notice from its Chief Administrative Officer and Chief Human Resources Officer, Elda de la Peña, that she intends to retire in December 2026 after more than 29 years of service with Tri-State.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1637880/000163788026000022/0001637880-26-000022-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"Chief Administrative Officer and Chief Human Resources Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}