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8-K

Material Event

Otter Tail Corp OTTR

0001466593-26-000063

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Filed
Jun 18, 2026 8:02 AM ET
Period of report
—

What happened

  • 1.01 Entry into a Material Agreement

On SEC.gov

Primary document ↗ Inline XBRL ↗ Filing index ↗

Financials in this filing

Structured financials aren't available for this filing — it may be an event-driven form (8-K/6-K), pre-date XBRL (~2009), or report only narrative content. Use the SEC.gov links above to read it.