Otter Tail Corp

Symbol: OTTR on Nasdaq
Entity: Company
Industry: Electric Services (Office Of Energy & Transportation)
Business address: 215 S Cascade St, Po Box 496, 56538-0496 Fergus Falls, MN
Phone: 866-410-8780
State of incorporation: MN
Fiscal year end: December 31
Category: Large accelerated filer
All SEC filings: View on sec.gov

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Otter Tail Corp has filed 813 SEC EDGAR filings since 7/1/2009

Latest Filings

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
SD	Open Document	Open Filing	SD	May 30, 2025		000-53713
10-Q	Open Document \| Data	Open Filing	10-Q	May 7, 2025	Mar 31, 2025	000-53713
8-K	Open Document \| Data	Open Filing	8-K	May 6, 2025	May 5, 2025	000-53713
8-K	Open Document \| Data	Open Filing	8-K	Apr 17, 2025	Apr 14, 2025	000-53713
4	Open Document	Open Filing	FORM 4	Apr 14, 2025	Apr 13, 2025
4	Open Document	Open Filing	FORM 4	Apr 14, 2025	Apr 13, 2025
4	Open Document	Open Filing	FORM 4	Apr 14, 2025	Apr 13, 2025
4	Open Document	Open Filing	FORM 4	Apr 14, 2025	Apr 13, 2025
4	Open Document	Open Filing	FORM 4	Apr 14, 2025	Apr 13, 2025
4	Open Document	Open Filing	FORM 4	Apr 14, 2025	Apr 13, 2025
4	Open Document	Open Filing	FORM 4	Apr 14, 2025	Apr 13, 2025
4	Open Document	Open Filing	FORM 4	Apr 14, 2025	Apr 13, 2025
4	Open Document	Open Filing	FORM 4	Apr 9, 2025	Apr 8, 2025
8-K	Open Document \| Data	Open Filing	8-K	Mar 31, 2025	Mar 27, 2025	000-53713
ARS	Open Document	Open Filing	ARS	Mar 3, 2025	Dec 31, 2024	000-53713
DEF 14A	Open Document \| Data	Open Filing	DEF 14A	Mar 3, 2025	Dec 31, 2024	000-53713
DEFA14A	Open Document	Open Filing	DEFA14A	Mar 3, 2025		000-53713
10-K	Open Document \| Data	Open Filing	10-K	Feb 19, 2025	Dec 31, 2024	000-53713
8-K	Open Document \| Data	Open Filing	8-K	Feb 18, 2025	Feb 17, 2025	000-53713
4	Open Document	Open Filing	FORM 4	Feb 13, 2025	Feb 11, 2025
4	Open Document	Open Filing	FORM 4	Feb 13, 2025	Feb 11, 2025
4	Open Document	Open Filing	FORM 4	Feb 13, 2025	Feb 11, 2025
4	Open Document	Open Filing	FORM 4	Feb 13, 2025	Feb 11, 2025
4	Open Document	Open Filing	FORM 4	Feb 13, 2025	Feb 11, 2025
4	Open Document	Open Filing	FORM 4	Feb 13, 2025	Feb 11, 2025
4	Open Document	Open Filing	FORM 4	Feb 7, 2025	Feb 6, 2025
4	Open Document	Open Filing	FORM 4	Feb 7, 2025	Feb 6, 2025
4	Open Document	Open Filing	FORM 4	Feb 7, 2025	Feb 6, 2025
4	Open Document	Open Filing	FORM 4	Feb 7, 2025	Feb 6, 2025
4	Open Document	Open Filing	FORM 4	Feb 7, 2025	Feb 6, 2025
4	Open Document	Open Filing	FORM 4	Feb 7, 2025	Feb 6, 2025
8-K	Open Document \| Data	Open Filing	8-K	Dec 31, 2024	Dec 30, 2024	000-53713
8-K	Open Document \| Data	Open Filing	8-K	Dec 16, 2024	Dec 11, 2024	000-53713
10-Q	Open Document \| Data	Open Filing	10-Q	Nov 7, 2024	Sep 30, 2024	000-53713
8-K	Open Document \| Data	Open Filing	8-K	Nov 5, 2024	Nov 4, 2024	000-53713
SC 13D/A	Open Document	Open Filing	SC 13D/A	Oct 3, 2024		005-84909
4	Open Document	Open Filing	FORM 4	Aug 14, 2024	Aug 13, 2024
144	Open Document	Open Filing		Aug 13, 2024		000-53713
10-Q	Open Document \| Data	Open Filing	10-Q	Aug 7, 2024	Jun 30, 2024	000-53713
8-K	Open Document \| Data	Open Filing	8-K	Aug 6, 2024	Aug 5, 2024	000-53713
8-K	Open Document \| Data	Open Filing	8-K	Jun 5, 2024	May 30, 2024	000-53713
4	Open Document	Open Filing	FORM 4	May 28, 2024	May 24, 2024
SD	Open Document	Open Filing	SD	May 24, 2024		000-53713
144	Open Document	Open Filing		May 24, 2024		000-53713
10-Q	Open Document \| Data	Open Filing	10-Q	May 8, 2024	Mar 31, 2024	000-53713
8-K	Open Document \| Data	Open Filing	8-K	May 7, 2024	May 6, 2024	000-53713
S-3ASR	Open Document	Open Filing	S-3ASR	May 3, 2024		333-279100
S-3ASR	Open Document	Open Filing	S-3ASR	May 3, 2024		333-279099
8-K	Open Document \| Data	Open Filing	8-K	Apr 10, 2024	Apr 8, 2024	000-53713
4	Open Document	Open Filing	FORM 4	Apr 9, 2024	Apr 8, 2024

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