# Otter Tail Corp — DEFR14A

Otter Tail Corp of FERGUS FALLS, MN filed a DEFR14A with the SEC on 2023-03-07. Industry: Electric Services.

## Filing

- Filed: 2023-03-07
- Form: DEFR14A
- Accession: 0001466593-23-000079
- Registrant: Otter Tail Corp
- CIK: 0001466593
- Industry (SIC): Electric Services (4911)
- State of incorporation: MN
- Location: FERGUS FALLS, MN

## Documents (1)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEFR14A | DEFR14A |

## Filing timeline for this registrant (26)

_Showing 12 of 26 filings._

| Filed | Form |
| --- | --- |
| [2026-03-02](https://search.stillhousedata.com/proxy/0001466593-26-000024) | DEFA14A |
| [2026-03-02](https://search.stillhousedata.com/proxy/0001466593-26-000023) | DEF 14A |
| [2026-02-18](https://search.stillhousedata.com/proxy/0001466593-26-000010) | PRE 14A |
| [2025-03-03](https://search.stillhousedata.com/proxy/0001466593-25-000049) | DEF 14A |
| [2025-03-03](https://search.stillhousedata.com/proxy/0001466593-25-000047) | DEFA14A |
| [2024-02-28](https://search.stillhousedata.com/proxy/0001466593-24-000057) | DEFA14A |
| [2024-02-28](https://search.stillhousedata.com/proxy/0001466593-24-000055) | DEF 14A |
| [2023-03-07](https://search.stillhousedata.com/proxy/0001466593-23-000081) | DEFA14A |
| 2023-03-07 | DEFR14A |
| [2023-03-01](https://search.stillhousedata.com/proxy/0001466593-23-000072) | DEF 14A |
| [2022-03-02](https://search.stillhousedata.com/proxy/0001466593-22-000015) | DEF 14A |
| [2021-03-03](https://search.stillhousedata.com/proxy/0001466593-21-000014) | DEF 14A |

## More

- [CIK 1466593 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1466593&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001466593-23-000079.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.