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Otter Tail Corp — PRE 14A Filings

2 PRE 14A filings on record

This page lists all PRE 14A filings submitted to the SEC by Otter Tail Corp (OTTR), sorted by most recent first. Each row links to the full filing on EdgarLookup. Otter Tail Corp has filed 2 PRE 14A documents with the SEC since 2009. To view all SEC filings by Otter Tail Corp, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10-Q/A 144 15-12G 3 3/A 4 4/A 424B2 424B5 5 8-K 8-K/A 8-K12G3 ARS CORRESP CT ORDER DEF 14A DEFA14A DEFR14A FWP POSASR PRE 14A S-3ASR S-8 S-8 POS SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
PRE 14A PRE 14A 0001466593-26-000010 Feb 18, 2026 Apr 13, 2026
PRE 14A PRE 14A 0001466593-21-000007 Feb 17, 2021 Dec 31, 2020