Otter Tail Corporation (OTTR) SEC Filings

Otter Tail Corporation (OTTR) SEC EDGAR filings (10-Q, 8-K, DEF 14A, 10-K/A, 10-K), newest first; latest 10-Q filed 2026-08-05. Every filing links to the canonical SEC document. First-party data.

SEC filings — source: EDGAR

Filed	Form	Title
2026-08-05	10-Q	10-Q filed 2026-08-05 by Otter Tail Corp
2026-08-04	8-K	8-K filed 2026-08-04 by Otter Tail Corp
2026-06-18	8-K	8-K filed 2026-06-18 by Otter Tail Corp
2026-06-05	8-K	8-K filed 2026-06-05 by Otter Tail Corp
2026-05-29	8-K	8-K filed 2026-05-29 by Otter Tail Corp
2026-05-15	8-K	8-K filed 2026-05-15 by Otter Tail Corp
2026-05-06	10-Q	10-Q filed 2026-05-06 by Otter Tail Corp
2026-05-05	8-K	8-K filed 2026-05-05 by Otter Tail Corp
2026-04-15	8-K	8-K filed 2026-04-15 by Otter Tail Corp
2026-04-14	8-K	8-K filed 2026-04-14 by Otter Tail Corp
2026-03-23	8-K	8-K filed 2026-03-23 by Otter Tail Corp
2026-03-02	DEF 14A	DEF 14A filed 2026-03-02 by Otter Tail Corp
2026-02-23	10-K/A	10-K/A filed 2026-02-23 by Otter Tail Corp
2026-02-18	10-K	10-K filed 2026-02-18 by Otter Tail Corp
2026-02-17	8-K	8-K filed 2026-02-17 by Otter Tail Corp
2025-12-18	8-K	8-K filed 2025-12-18 by Otter Tail Corp
2025-11-05	10-Q	10-Q filed 2025-11-05 by Otter Tail Corp
2025-11-04	8-K	8-K filed 2025-11-04 by Otter Tail Corp
2025-08-06	10-Q	10-Q filed 2025-08-06 by Otter Tail Corp
2025-08-05	8-K	8-K filed 2025-08-05 by Otter Tail Corp
2025-06-06	8-K	8-K filed 2025-06-06 by Otter Tail Corp
2025-06-05	8-K	8-K filed 2025-06-05 by Otter Tail Corp
2025-05-07	10-Q	10-Q filed 2025-05-07 by Otter Tail Corp
2025-05-06	8-K	8-K filed 2025-05-06 by Otter Tail Corp
2025-04-17	8-K	8-K filed 2025-04-17 by Otter Tail Corp
2025-03-31	8-K	8-K filed 2025-03-31 by Otter Tail Corp
2025-03-03	DEF 14A	DEF 14A filed 2025-03-03 by Otter Tail Corp
2025-02-19	10-K	10-K filed 2025-02-19 by Otter Tail Corp
2025-02-18	8-K	8-K filed 2025-02-18 by Otter Tail Corp
2024-12-31	8-K	8-K filed 2024-12-31 by Otter Tail Corp

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Data sourced from U.S. SEC EDGAR. Not personalized investment advice.