secwatch.observer — SEC 8-K summary ====================================== Issuer: Otter Tail Corp (OTTR) CIK: 0001466593 Form: 8-K Filed at: 2026-09-01T13:58:27+00:00 Accession: 0001466593-26-000074 Event type: leadership Sentiment: neutral Materiality: 0.30 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Two Otter Tail directors to retire at 2027 annual meeting --------------------------------------------------------- - Thomas J. Webb will not stand for reelection and retires at 2027 Annual Meeting. - Kathryn O. Johnson will not stand for reelection and retires at 2027 Annual Meeting. - Both departures are not due to any disagreement with company operations or policies. - Webb's retirement follows director retirement policy; Johnson reached retirement age. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000074/0001466593-26-000074-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1466593/000146659326000074/ottr-20260828.htm HTML page: https://secwatch.observer/filing/0001466593-26-000074 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer