Symbols

OTTR

Otter Tail·NASDAQ

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OTTR Filings

2026-03-23 · Key Events

Form 8-K - Current report

2026-03-02 · Key Events

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

2026-03-02 ·

Form ARS - Annual Report to Security Holders

2026-03-02 · Key Events

Form DEF 14A - Other definitive proxy statements

2026-02-23 · Financials

Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]

2026-02-18 · Key Events

Form PRE 14A - Other preliminary proxy statements

2026-02-18 · Financials

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

2026-02-17 · Earnings Call

Otter Tail Corporation (OTTR) Q4 2025 Earnings Call Transcript

2026-02-17 · Key Events

Form 8-K - Current report

2026-02-12 · Ownership

Form 4 - Statement of changes in beneficial ownership of securities