{"schema_version":"secwatch.filing_event.v1","accession":"0001466593-25-000054","form_type":"8-K","ticker":"OTTR","cik":"0001466593","company_name":"Otter Tail Corp","filed_at":"2025-03-31T23:59:59+00:00","discovered_at":"2026-05-14T18:03:03.707693+00:00","generated_at":"2026-05-24T01:41:24.919528+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Otter Tail Power issues $100M in senior notes at 5.49% and 5.98%","bullets":["$50M 5.49% Series 2025A Notes due 2035 issued March 27; $50M 5.98% Series 2025B Notes due 2055 expected June 5.","Proceeds to fund capital expenditures, refinance existing debt, and for general corporate purposes.","Covenants limit Interest-bearing Debt to ≤65% of Total Capitalization and Priority Indebtedness to ≤20%.","Notes are unsecured senior obligations of Otter Tail Power Company, a wholly owned subsidiary.","Prepayment at 100% plus make-whole; change-of-control triggers offer to prepay."],"urls":{"canonical":"https://secwatch.observer/filing/0001466593-25-000054","json":"https://secwatch.observer/filing/0001466593-25-000054.json","markdown":"https://secwatch.observer/filing/0001466593-25-000054.md","text":"https://secwatch.observer/filing/0001466593-25-000054.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1466593/000146659325000054/0001466593-25-000054-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1466593/000146659325000054/ottr-20250327.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T01:41:24.919528+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"}