# Otter Tail Corp — DEF 14A

Otter Tail Corp of FERGUS FALLS, MN filed a DEF 14A with the SEC on 2021-03-03. Industry: Electric Services.

## Filing

- Filed: 2021-03-03
- Form: DEF 14A
- Accession: 0001466593-21-000014
- Registrant: Otter Tail Corp
- CIK: 0001466593
- Industry (SIC): Electric Services (4911)
- State of incorporation: MN
- Location: FERGUS FALLS, MN

## Documents (31)

_Showing 15 of 31 documents._

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEF 14A |
| 2 | GRAPHIC | a1a.jpg |
| 3 | GRAPHIC | chart-a918283a44244b85ab91a.jpg |
| 4 | GRAPHIC | chart-b9bb498d492446399a01a.jpg |
| 5 | GRAPHIC | chart-d1eb332c2485467b82a1a.jpg |
| 6 | GRAPHIC | chart-ee25fe8032a741d494f1a.jpg |
| 7 | GRAPHIC | g864412g06z792a.jpg |
| 8 | GRAPHIC | image10.jpg |
| 9 | GRAPHIC | image11a.jpg |
| 10 | GRAPHIC | image12a.jpg |
| 11 | GRAPHIC | image13a.jpg |
| 12 | GRAPHIC | image14a.jpg |
| 13 | GRAPHIC | image15a.jpg |
| 14 | GRAPHIC | image16a.jpg |
| 15 | GRAPHIC | image17a.jpg |

## 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](https://search.stillhousedata.com/proxy/0001466593-23-000079) | 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 | 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/0001466593-21-000014.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.