{"schema_version":"secwatch.filing_event.v1","accession":"0001466593-21-000076","form_type":"8-K","ticker":"OTTR","cik":"0001466593","company_name":"Otter Tail Corp","filed_at":"2021-12-01T23:59:59+00:00","discovered_at":"2026-05-14T18:04:12.659867+00:00","generated_at":"2026-06-28T04:26:32.304175+00:00","sec_items":["2.03"],"event_type":"debt","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Otter Tail Power issues $140M of senior notes; remaining $90M due May 2022","bullets":["Issued $40M 2.74% Series 2021A notes due Nov 2031 and $100M 3.69% Series 2021B notes due Nov 2051.","Proceeds will be used to refinance existing indebtedness.","Remaining $90M Series 2022A notes at 3.77% due May 2052 expected to close in May 2022.","Covenants limit interest-bearing debt to 60% of total capitalization and priority indebtedness to 20%."],"urls":{"canonical":"https://secwatch.observer/filing/0001466593-21-000076","json":"https://secwatch.observer/filing/0001466593-21-000076.json","markdown":"https://secwatch.observer/filing/0001466593-21-000076.md","text":"https://secwatch.observer/filing/0001466593-21-000076.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1466593/000146659321000076/0001466593-21-000076-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1466593/000146659321000076/ottr-20211129.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T04:26:32.304175+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"}