secwatch.observer — SEC 8-K summary
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Issuer:     Otter Tail Corp (OTTR)
CIK:        0001466593
Form:       8-K
Filed at:   2026-03-23T23:59:59+00:00
Accession:  0001466593-26-000034
Event type: debt
Sentiment:  neutral
Materiality: 0.70
Item codes: 1.01, 2.03, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Otter Tail Power issues $170M senior unsecured notes (5.33% and 6.04%)
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- Issued $100M 5.33% Series 2026A Notes due 2036 and $70M 6.04% Series 2026B Notes due 2056.
- Series 2026A closed March 19, 2026; Series 2026B expected to close June 4, 2026.
- 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%.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1466593/000146659326000034/0001466593-26-000034-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1466593/000146659326000034/ottr-20260319.htm
  HTML page:      https://secwatch.observer/filing/0001466593-26-000034

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer