{"schema_version":"secwatch.filing_event.v1","accession":"0001637880-25-000023","form_type":"8-K","ticker":null,"cik":"0001637880","company_name":"Tri-State Generation & Transmission Association, Inc.","filed_at":"2025-06-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.158784+00:00","generated_at":"2026-05-20T01:42:55.817124+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"CFO Todd E. Telesz to resign effective June 13, 2025; interim CFO search begins","bullets":["Todd E. Telesz, SVP and CFO, resigns on June 13, 2025 to join a Colorado-based independent power producer as CFO.","Tri-State plans to name an interim CFO as soon as practical and will initiate a search for a permanent CFO.","Resignation is voluntary; no disagreements or issues cited in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001637880-25-000023","json":"https://secwatch.observer/filing/0001637880-25-000023.json","markdown":"https://secwatch.observer/filing/0001637880-25-000023.md","text":"https://secwatch.observer/filing/0001637880-25-000023.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1637880/000163788025000023/0001637880-25-000023-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1637880/000163788025000023/tris-20250602.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T01:42:55.817124+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":"c45df11de2","claim":"Todd E. Telesz resigned as Senior Vice President and Chief Financial Officer at Tri-State Generation & Transmission Association, Inc..","evidence_excerpt":"On June 2, 2025, Todd E. Telesz , our Senior Vice President and Chief Financial Officer, informed us that he intends to resign from us on June 13, 2025, to take a position as the Chief Financial Officer for a vertically integrated independent power producer headquartered in Colorado.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1637880/000163788025000023/0001637880-25-000023-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Senior Vice President and Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}