secwatch.observer — SEC 8-K summary ====================================== Issuer: Otter Tail Corp (OTTR) CIK: 0001466593 Form: 8-K Filed at: 2025-12-18T23:59:59+00:00 Accession: 0001466593-25-000128 Event type: leadership Sentiment: neutral Materiality: 0.65 Item codes: 5.02, 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Otter Tail appoints Clark and Rasche to board; Fritze retiring at April 2026 meeting -------------------------------------------------------------------------------- - Steven L. Fritze to retire from board at the 2026 Annual Meeting in April after 12 years of service. - Chris Clark (former Xcel Energy President) and Steve Rasche (former Spire CFO) join board effective Jan 1, 2026. - Clark appointed to Audit and Governance Committees; Rasche to Audit and Compensation Committees. - New directors receive $80k annual retainer, $10.5k per committee, and ~$130k in restricted stock vesting over 3 years. - Neither Clark nor Rasche has a material interest in any proposed or past transaction with Otter Tail. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1466593/000146659325000128/0001466593-25-000128-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1466593/000146659325000128/ottr-20251216.htm HTML page: https://secwatch.observer/filing/0001466593-25-000128 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer